• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    22 ABSTRACT The invention relates to an installation arrangement (1, 39, 77) forpurification of contaminated Water comprising a separation arrangementdesigned to generate a centrifugal force higher than 1.5 G to separate solidsfrom the Water, and a subsequent oxidation and/ or dissociation arrangement(11, 47, 81) arranged to oxidize and/or dissociate molecular bonds of pharmaceuticals in the contaminated Water. (Pig. 1)
    公开号:SE1351049A1
    申请号:SE1351049
    申请日:2013-09-11
    公开日:2015-03-12
    发明作者:Mikael Nutsos
    申请人:Mikael Nutsos；
    IPC主号:
    专利说明:

    Applicant: Mikael NutsosOur reference: P9728SEOOAN INSTALLATION ARRANGEMENT FOR PURIFICATION OFCONTAMINATED WATER FROM PHARMACEUTICALSTECHNICAL FIELDThe present invention relates to an installation arrangement for purif1cationof contaminated water, comprising an oxidation and/ or dissociationarrangement arranged to treat contaminated water or waste water forpurification of pharmaceuticals.
    PRIOR ARTWaste water treatment plants for treatment of community or municipal wastewater are well known in the art. Such waste water treatment plants normallycomprises a large sludge basin, in which gravity acts to sediment solids in thewaste water, followed by one or more aerobic or anaerobic degradation stepsin which bacteria or microbes digest nutrients in the water. Many other formsof waste water treatment steps are also known, such as f1ltering and additionof chemicals for binding contaminants, flocculation, etc. One problem thatrecently has been brought to attention is the spreading of drugs andpharmaceuticals in waste water. Pharmaceuticals are often chemically similarto hormones causing dangerous side effects in biological life, they may betoXic, and/ or they may induce chemical resistance in harmful bacteria ormicrobes. Pharmaceuticals are normally not eff1ciently removed by thestandard treatment steps offered by municipal waste water treatment plants,and in fact pharmaceuticals may harm the microbes used in the biologicaldegradation steps. One problem when designing an efficient method forremoval of pharmaceuticals from contaminated water is that thepharmaceuticals constitute a large group of different chemical compoundswith different characteristics and different chemical properties, so that anyremoval processes designed to remove pharmaceuticals in general cannottarget specific compounds. This leads to considerable variation in efficiencybetween different pharmaceuticals depending on the selected purif1cationprocess.
    It is known to use ozone-treatment for degradation of drugs andpharmaceuticals in waste water coming from hospitals. Waste water fromhospitals comprises high concentrations of pharmaceuticals relative to theconcentration in municipal water, and therefore it is advantageous to purifyhospital water locally. The ozone is highly reactive and acts to oXidize many ofthe functional groups found in hydrocarbons. Ozone may therefore changethe chemical structure of organic based pharmaceuticals, and in particular,some forms of hydrocarbons may be split into fragments. However, dependingon the particular chemical compound and composition of the pharmaceu-ticals, the efficiency of the ozone treatment may vary considerably.
    Within the processing and manufacturing industries it is also known to treatwaste water locally due to the advantages of having a higher concentration ofthe contaminants, having better knowledge of the expected nature andmiXture of the contaminants, and in many cases also a smaller number ofdifferent contaminants. A large number of apparatuses and methods forpurif1cation, separation and/ or degradation of contaminants are known, suchas centrifuges, decanters, filters, scrubbers etc.
    SUMMARY OF THE INVENTIONOne objective of the present invention is to indicate a more efficient methodfor purif1cation of waste water to remove drugs and/ or pharmaceuticals.
    This objective is achieved with the installation arrangement according toclaim 1 .
    According to one aspect of the invention an installation arrangement forpurif1cation of contaminated water to remove drugs and/ or pharmaceuticalscomprises an oxidation and/ or dissociation arrangement comprising anarrangement selected from the group consisting of an ozone treatmentarrangement, an electro-Fenton arrangement and a radiolysis arrangement,or any combination thereof, Which installation arrangement is additionallyprovided With at least one separation arrangement for separating solids fromthe contaminated Water arranged upstream of the oxidation and/ ordissociation arrangement, Wherein the solids separation arrangementcomprises at least one high-performance separation device arranged togenerate a centrifugal force >1.5 G acting on solid particles in thecontaminated Water in a direction of separating the solid particles from thecontaminated Water.
    With the invention it has been realized that by incorporating a high-performance separation step, Which acts by applying a centrifugal force >1.5G separating solid particles from the contaminated Water prior to theoxidation and/or dissociation step, the efficiency of the oxidation and/orThis ispharmaceuticals are mostly thought to be in solution and should therefore bedissociation treatment is improved. surprising since theunaffected by any previous separation steps. Similarly, the oxidation and/ ordissociation degradation mechanisms are purely chemical in nature, so thatnaively the amount of solids suspended should not affect the degradationprocess. The mechanism for the improvement is not clear, but it is believedthat the absence of small, solid, suspended particles leads to that thecompounds constituting the pharmaceuticals have lower probability of beingadsorbed, leaving the compounds more open for nucleofilic attack. Anothermechanism could be that if being adsorbed on the surface of a solid particle,any alkene or alkyne bonds could be stabilized. With the invention it has thusbeen realized that removal of small solid particles from the contaminatedWater prior to the ozone treatment gives higher efficiency in the oxidationand/ or dissociation step.
    Preferably, the oxidation and/ or dissociation arrangement comprises anozone treatment arrangement arranged to treat the contaminated Water Withozone, Wherein the ozone oxidizes organic and/ or metallic substancescontained in the contaminated Water. Ozone is very aggressive and has thecapacity to either dissociate complex molecules or to oxidize the molecules.Depending on the chemical structure of the pharmaceuticals they maytherefore be degraded into smaller, and more easily biodegradable, parts.Alternatively, ozone has the capacity to oxidize and potentially form ions ofpharmaceuticals that are not degraded. Thus, ozone functions in a verygeneral Way to chemically alter or degrade large classes of organic orinorganic compounds. In one preferred embodiment the oxidation and/ordissociation arrangement comprises only an ozone treatment arrangement toaccomplish the oxidation/ dissociation.
    In one embodiment the oxidation and/ or dissociation arrangement comprisesan electro-Fenton arrangement. Electro-Fenton utilises iron ions Fe2+ or Fe3+in combination With hydrogen peroxide HgOg, leading to an ionisation oforganic compounds. One example of an electro-Fenton method is described inKrzysztof Barbusinski "Fenton Reaction - Controversy Concerning thehemistry", Ecological Chemistry and Engineering Vol. 16, No. 3. The electro-Fenton arrangement may be used instead of an ozone treatmentarrangement. Preferably, however, if an electro-Fenton arrangement isincluded, then the oxidation and/ or dissociation arrangement also comprisesan ozone treatment arrangement. If combined With electro Fenton, thesupplied ozone may then be used to generate the HgOg for the electro Fentonreaction.
    In one embodiment the oxidation and/ or dissociation arrangement comprisesa radiolysis arrangement. The radiolysis arrangement then comprises anuclear active material generating radiation, such as ci-radiation, Whichenergizes and dissociates molecular bonds in molecules. Hence, use of theradiolysis arrangement may lead to a splitting of complex pharmaceuticalsinto smaller parts, and may also ionize molecules or split molecules intoradicals. Radiolysis is also described in Sophie Le Caër "Water Radiolysis:Influence of Oxide Surfaces on H2 Production under Ionizing Radiation";Water 2011, 3, 235-253; doi: 1O.339O/W3O1O235. Thearrangement may also be combined With the ozone treatment arrangement.radiolysisIn a preferred embodiment the purification installation comprises an ionseparation arrangement comprising an arrangement selected from the groupconsisting of an ion exchange device, a filter device containing Polonite® asfilter material, an electro-coriolysis arrangement, and an electro-coagulationarrangement and/ or any combination thereof, and Which ion separationarrangement is arranged downstream of the oxidation and/ or dissociationarrangement for removal of organic or metal ions from the contaminatedWater. With the invention it has also been realized that including an ionseparation arrangement after the oxidation and/ or dissociation treatmentstep has a great impact on the purification levels achieved. Thosepharmaceutical compounds Which are not chemically changed by theoxidation and/ or dissociation may still become negatively or positivelycharged by the transformation. Thus the oxidation and/ or dissociationarrangement ionises and/ or charges the medicaments, so that they are easilyremoved in the subsequent ion separation step.
    Preferably, the ion separation arrangement comprises an ion exchange device.According to a preferred embodiment the ion separation arrangementcomprises an ion exchange device arranged downstream of an ozonetreatment arrangement for removal of organic or metal ions from thecontaminated Water. Preferably, the purification installation comprises an ionexchange device arranged downstream the ozone treatment for removal oforganic salts. Ozone has the advantage that even if a specific compound isnot chemically changed by the ozone, many functional groups inpharmaceuticals are oxidized into carboxylic acid groups by the ozone, Whichmay or may not change its biological function, but Which at least adds anegative charge onto the compound. Thus an even larger number of differentpharmaceuticals may be removed With the method. Preferably the ionexchange device is a vertical ion exchanger. Such ion exchange devices areWell suited for continuous processing on an industrial scale.
    According to one embodiment the ion separation arrangement comprises afilter device comprising Polonite® as filter material. Polonite®, Which iscurrently sold by Bioptech AB, is a natural mineral comprising Calcium (Ca)and Silica (Si), With some potassium (K). The mineral has the ability to absorbphosphorous and other ionic contaminants.
    According to one embodiment the ion separation arrangement comprises anelectrocoriolysis arrangement. An electrocoriolysis arrangement comprisesletting the Water in contact With electrically charged electrodes and creating acentrifugal movement of the Water. Close to the electrodes there is a first layerof ions attracted to the electrodes, and a second layer of oppositely chargedions attracted to the first layer. The motion of the Water caused by thecentrifugal force acts to disrupt the second layer, so that it is slid off theelectrode surfaces in the direction of the force, leading to an efficient removalof ions. The electrocoriolysis arrangement is also described in US 5,858,199and US 6,277,265, both to Hanak, Which are hereby incorporated byreference.
    According to one embodiment the ion separation arrangement comprises a nelectro-coagulation arrangement. Electro-coagulation is a method marketedby Quantum Ionics Inc., Which comprises letting Water flow through a stackof parallel metal plates held at a voltage potential. The metal in the plates isdissolved in the Water and the dissolved metal ions act as nucleation seedsfor other ions in the contaminated Water to crystallize on, or otherwisebecome attracted to by static electric force or solvation. This leads to aneffective removal of ions from the Water.
    According to one embodiment the purification installation further comprises aUV-radiation source arranged for irradiating the contaminated Water. In oneembodiment the UV-radiation source is arranged in association With theozone treatment arrangement for irradiation of the contaminated Waterduring the ozone treatment. In another embodiment the UV-radiation sourceis arranged doWnstream the ozone treatment arrangement in the purif1cationinstallation. In yet another embodiment the UV-radiation source is arrangedfor irradiating the contaminated Water both in association With the ozonetreatment and downstream of the ozone treatment. Including UV-radiationWith the purification also contributes to a higher efficiency, and also theability to kill bacteria and microbes.
    According to one embodiment the separation arrangement comprises a solidscollection device arranged to collect and form the separated solids into dry,combustible bodies. By combusting the combustible bodies any combustiblecontaminants gathered in the bodies is consumed and rendered harmless tothe environment. In particular, this is the case if the arrangement is used inconnection With for example a building in Which it is known that non-combustible contaminants are not handled.
    According to one embodiment the high-performance separation device isadapted to generate a centrifugal force higher than 1.5 G (1 G ß 9,80665m/ s2 at latitude 45 deg). Preferably the high-performance separation device islladapted to generate a centrifugal force higher than or equal to 2 G19,61330 m/ s2 . According to yet another embodiment the high-performanceseparation device is adapted to generate a centrifugal force higher than orequal to 50 G ß 490,3325 m/ s2 . According to yet another embodiment thehigh-performance separation device is adapted to generate a centrifugal forcehigher than or equal to 100 G ß 980,665 m/s2 . According to yet anotherembodiment the high-performance separation device is adapted to generate acentrifugal force higher than or equal to 1000 G ß 9806,65 m/ s2. According toyet another embodiment the high-performance separation device is adaptedto generate a centrifugal force higher than or equal to 5000 G ß 4903325m/ s2. The higher centrifugal force applied the smaller solid particles arepossible to separate out from a body of liquid. With the invention is has beenrealized that it is not suff1cient to only apply standard gravity of 1 G toseparate out the particles, as for example in a sludge basin, since many smallparticles may then float about in the contaminated Water indefinitely.
    According to one embodiment the separation device is arranged to generatesaid force by rotating the contaminated Water, thus generating a centrifugalforce onto the solid particles. Preferably the separation device comprises amechanical member arranged in contact With the Water, Which mechanicalmember is rotatable and thus transfers a rotational force or movement to thecontaminated water. According to one embodiment the high-performanceseparation device is arranged to generate said separating centrifugal force byrotating a mechanical member designed to be able to rotate with a speedhigher than or equal 2000 Rpm. A device with this level of performance isable to separate most solids of low particle size from the contaminated water,and to affect the efficiency of the ozone treatment to a sufficient degree. Alsoit is not too costly to manufacture such a device.
    According to one embodiment the rotating mechanical member is shaped as ascrew. This allows for continuous separation and removal of solid particlesfrom a continuous stream of contaminated water simultaneous with thecentrifugal treatment. A continuous process is in general less costly than abatch process. According to one preferred embodiment the high-performanceseparation device is a centrifugal decanter or a centrifugal tricanter.
    According to one embodiment the mechanical member of the separationdevice is designed to be able to rotate with a speed higher than or equal to5000 Rpm. Preferably, the separation device is designed to be able to rotatewith a speed higher than or equal to 10 000 Rpm. Thus the separation deviceis able to remove very small particles from the contaminated water. Accordingto a preferred embodiment the high-performance separation device is a diskstack centrifuge. Disk stacks are known to be able to separate out very smallsolid particles from a liquid, in some cases particles with diameters down toabout 0.5 microns in size. A disk stack normally comprises a plurality ofspaced apart disks arranged at an angle to the centrifugal force applied ontothe liquid. Thus, separation of particles in different layers of the liquid isallowed. Depending on design and on the liquid processed a disk stack hasthe ability to generate centrifugal forces up to 13 000 G.
    According to one embodiment the separation arrangement comprises at leasttwo separation devices arranged to process the contaminated water one afterthe other. Preferably the two separation devices are arranged in sequencerelative to the flow direction of the contaminated water. Preferably theseparation arrangement comprises one decanter and/ or tricanter, followed bya disk stack. Thus larger, and more plentiful solid particles are first separatedand removed with the decanter/tricanter, followed by the disk stack with theability to separate out extremely small diameter particles from thecontaminated water.
    According to one embodiment the installation arrangement is adapted to beinstalled in a building or a building complex, such as a hospital, forpurif1cation of contaminated waste water originating from the activitiesperformed within the building or building complex. The installationarrangement is then preferably arranged upstream of any connection with amunicipal waste water system. Preferably, the arrangement is designed tohandle a daily volume of between 10 and 100 cubic meters of contaminatedwater.
    According to a second aspect of the invention the objective is also achievedwith an installation arrangement according to the preamble of claim 14, andwhich is further designed in accordance with the characterizing part of thesame claim.
    With the second aspect of the invention an installation arrangement isprovided which is adapted to be installed in a building or a building complexfor purif1cation of contaminated waste water originating from the activitiesperformed within the building or building complex. Preferably, the building orbuilding complex is a hospital. The installation arrangement comprises anoxidation and/ or dissociation arrangement arranged to oxidize and/ ordissociate molecular bonds of the pharmaceuticals in the contaminatedwater, and is characterized in that the installation further comprises at leastone separation arrangement for separating solids from the contaminatedwater arranged upstream of the oxidation and/ or dissociation arrangement,wherein the solids separation arrangement comprises at least one high-performance separation device arranged to generate a centrifugal force actingon solid particles in the contaminated water in a direction of separating thesolid particles from the contaminated water. Preferably, the installationarrangement comprises an ozone treatment arrangement arranged to treatthe contaminated water with ozone, wherein the ozone oxidizes organicand/or metallic substances solved in the contaminated water. Thus theinvention provides for efficient removal of drugs and/ or pharmaceuticals fromwaste water from hospitals. According to statistical calculations andmeasurements hospitals generates about 15 % of the pharmaceuticalsentering municipal water treatment plants, and thus a large part of thepharmaceuticals may be reduced.
    BRIEF DESCRIPTION OF THE ATTACHED DRAWINGSThe invention is now to be described as a number of non-limiting examples ofthe invention with reference to the attached drawings.
    Fig. 1a-e shows a first example of an installation arrangement according tothe invention and alternatives thereto.
    Fig. 2 shows another example of an installation arrangement accordingto the invention.
    Fig. 3 shows an installation arrangement used in association with abuilding or building complex.
    DETAILED DESCRIPTIONIn fig. 1 an installation arrangement 1 for waste water treatment according toa first example of the invention is shown. The installation arrangementcomprises an inlet pipe 3 for waste water leading to a sludge tank 5. Thesludge tank is arranged for intermediate storage and reception of the wastewater, and primarily acts as a buffer to even out Variations in inflow.Depending on the type of sludge tank used and on the quality of the wastewater a first sedimentation due to gravity may or may not take place. Eventhough the inlet pipe 3 and the sludge tank 5 in this example are included ascomponents of the installation arrangement they may in another example11instead be provided by the system to Which the installation arrangement is tobe connected. The installation arrangement 1 1 may also be designed togenerate a flow of the contaminated Water through the installation, by gravityand/or by comprising one or more pumps.
    The installation arrangement 1 comprises a separation arrangement 7 forseparating solids from the contaminated Water. The separation arrangementis here depicted by a dotted line to indicate that the separation arrangementis a system comprised of a number of components. In this example theseparation arrangement 7 comprises a high-performance separation devicearranged to generate a centrifugal force acting on solid particles in thecontaminated Water in a direction of separating the solid particles from thecontaminated Water. In this example the high-performance separation device9 is arranged to generate a centrifugal force higher than 1 G, in this examplehigher than or equal to 500 G, to ensure suff1cient ability to remove smallsolid particles in the contaminated Water.
    The installation arrangement 1 further comprises an oxidation and/ ordissociation arrangement 11 for treatment of the Waste Water so as to oxidizebonds of thecontaminated Water. The oxidation and/ or dissociation arrangement 11 isand/ or dissociate molecular pharmaceuticals in thelikewise depicted by a dotted line to indicate that the oxidation and/ordissociation treatment arrangement is a system comprised of a number ofcomponents. In this example the oxidation and/ or dissociation arrangementis an ozone treatment arrangement 11, Which generates ozone and subjectsthe contaminated Waste Water to the ozone, Wherein organic and/ or metalliccompounds in the Waste Water are oxidized. Since many pharmaceuticals areorganic in nature pharmaceuticals solved in the Waste Water are prone to bedegraded by the ozone, so that the contaminated Waste Water is purif1ed.
    With the invention is has been realized that by including a separationarrangement 7 comprising at least one high-performance separation device 9upstream of an ozone treatment arrangement 11 the efficiency of theinstallation arrangement in terms of removal of pharmaceuticals from the12contaminated water is improved. With the term removal is intendeddegradation of pharmaceuticals, chemical change of pharmaceuticals intonew, less harmful compounds, separation of pharmaceuticals from thecontaminated water, and/ or combinations thereof.
    In this example the high-performance separation device 9 comprises amechanical member 13 designed to rotate and to act on the contaminatedwater so as to rotate the water. The rotation of the water creates a centrifugalforce and due to differences in density a separation will be produced.
    In this example the high-performance separation device 9 is a centrifugaldecanter 15. The centrifugal decanter 15 comprises a cylindrical, horizontallypositioned bowl 17 provided with an internal space 19, and a rotatingmember shaped as a screw 21 arranged in said space. In operationcontaminated water is fed into an inlet 23 of the bowl 17 and further to aboutthe middle of the bowl. The contaminated water is then continuously fed intothe internal space 19, where the rotating mechanical member 13, 21accelerates the contaminated water and rotates the contaminated wastewater and suspended solids, thus generating a centrifugal force acting onboth the water and on any solid particles in the water. In this example thehigh-performance separation device is arranged to generate said separatingcentrifugal force by rotating the mechanical member 13, 21 at a speed higherthan or equal 2000 Rpm. In this example the high-performance separationdevice is adapted to generate a centrifugal force higher than or equal to 1000G in order to ensure an efficient separation of small solid particles from thecontaminated water. Due to differences in density the liquid and anysuspended particles in the liquid will separate when the centrifugal force isapplied.
    Due to the screw shape the rotational member 21 will not only cause arotation of the contaminated waste water and suspended solids, but will alsoact with a linear force onto the body of water and solids. Hence the solids willbe transported towards one end of the decanter affected by the screwmovement, while the liquid will flow towards the other end, where the13contaminated water is discharged via an outlet 25. Thus the screw shapeallows for a continuous processing of the contaminated water. The outlet 25from the high-performance separation device then conducts the contaminatedWater further to the ozone treatment arrangement 11. The separationarrangement further comprises a solids collection device 27 arranged tocollect the solids from the high-performance separation device 9, and to formthe separated solids into dry, combustible bodies. The combustible bodiesmay then be combusted in a combustion plant, which may include smokepurif1cation arrangement to ensure that it is free from environmental issues.
    In another example the high-performance separation device 9 is a centrifugaltricanter rather than a decanter. A tricanter comprises three outlets, two forliquids and one for dry contents, rather than only two outlets as a decanter.This is advantageous if for example the contaminated water also comprises asecond liquid, for example oil-remains or the like.
    In this example the oxidation and/ or dissociation arrangement comprises anozone treatment arrangement 11. The ozone treatment arrangement 11comprises an ozone generation device 29 arranged to generate ozone. Theozone generation device 29 is in this example generating ozone by UV-irradiation of oxygen, but in another example ozone is generated by electricaldischarges in a rich oxygen atmosphere. Of course other methods forgenerating ozone are also applicable with the invention. The ozone treatmentarrangement 11 comprises an ozone injection device 31 arranged to inject thegenerated ozone into the contaminated water stream. In this example theozone is injected into the contaminated water stream in the form of bubbles.The ozone then reacts with and oxidizes organic functional groups and/ ormetals solved in the contaminated water. The ozone treatment arrangementfurther comprises an ozone removal device 33, which may either act byseparating the ozone from the contaminated water or by degrading the ozone.The oxidation of pharmaceuticals from the ozone treatment may lead to adefragmentation of organic compounds, for example if reacting with an alkeneor alkyne functional group, it may lead to an acidif1cation, for example ifreacting with an aldehyde or ketone functional group, and/ or it may lead to a14substitution reaction, for example if reacting With a halide or another goodleaving functional group. These mechanisms tend to degrade or change thepharmaceuticals into less harmful, more easily removable, and/ or biologicallyinactive substances.
    In an alternative embodiment, the oxidation and /or dissociation arrangementmay also comprise an electro-Fenton arrangement 32 in combination With theozone treatment arrangement. In this example the electro-Fentonarrangement comprises an iron source 32 for supplying iron ions to thecontaminated Water. The electro-Fenton arrangement may also comprise aHgOg source, or alternatively, the Og source of the ozone treatment devicemay act as the HgOg source When Og reacts With Water. The electro-Fentonreaction then takes place and oxidizes pharmaceuticals in the contaminatedWater. In yet another alternative embodiment shown in f1g. lb, the oxidationand/ or dissociation arrangement 11 may instead comprise a radiolysisarrangement 34. The radiolysis arrangement then comprises a radiationsource 36, such as a nuclear active material providing d-rays. The highenergy of the d-rays then acts to dissociate molecular bonds of thepharmaceuticals in the contaminated Water.
    The ozone treatment arrangement further comprises a UV-radiation source35 arranged for irradiating the contaminated Water. In this example the UV-source is arranged downstream of the ozone removal device 33. The UV-irradiation may act both in terms of further degrading or reactingpharmaceuticals in the contaminated Water, and it also kills off germs ormicrobes possibly present in the contaminated Waste Water.
    Theinstallation arrangement 1 further comprises an ion separationarrangement, in this example an ion exchange device 37, arrangeddownstream of the ozone removal device 33 for removal of organic or metalions from the contaminated Water. Since some ozone reaction mechanismsproduce ions as a result the addition of an ion exchanger 37 after the ozonetreatment step results in that those pharmaceuticals are effectively removedcontaminated Water. Otherwise that afrom the it could happenpharmaceutical is only changed into an acid, which could still be harmfuland/ or biologically active. The ion exchanger 37 is therefore in this exampleloaded with a material designed for removal of organic acids. In this examplethe ion exchange device is a vertical ion exchanger, which allows ahomogenous flow through the ion exchanger, and without need to apply adriving force. The installation arrangement may also comprise further ionexchangers, for example for removal of nitrates, metal oxides, metal salts, orother compounds, depending on the waste water quality and characteristics.
    In another alternative embodiment shown in fig. 1c, the ion separationarrangement 37 may comprise a filter device 38 comprising a filter materialdesigned for filtering out ions. Preferably the filter material is Polonite®. Inanother alternative shown in fig. 1d, the ion separation arrangement 37 maycomprise an electro-coriolysis arrangement. The arrangement then comprisestwo or more electrodes 40 designed to make contact with the contaminatedwater, and a rotating member 42 designed to generate a centrifugal forceacting on the water. The electro-coriolysis arrangement is further configuredso that the flow of water flushes against the sides of the electrodes so as towash off a layer of ions formed thereon. In yet another alternative shown infig. 1e, the ion separation arrangement 37 comprises an electro-coagulationarrangement. The arrangement comprises a stack of metal plates 44 designedto make contact with the contaminated water, and a voltage source 46 forsupplying a voltage potential to the stack of plates. The metal in the metalplates is further selected so as to dissolve slowly and supply metal ions to thewater in order to act as nucleation sites.
    In fig. 2 yet another example of an installation arrangement 39 is shown. Forcomponents of the installation arrangement in fig. 2, which are similar to thecomponents of the installation arrangement in fig. 1, the reader is referred tothe corresponding sections of fig. 1 for details. Briefly, as for the installationarrangement in fig. 1, the installation arrangement of fig. 2 comprises an inletpipe 41, a sludge tank 43, a separation arrangement 45, an ozone treatmentarrangement 47, and an outlet pipe 49, the components being arranged inthat order.16The separation arrangement 45 of f1g. 2 comprises a high-performanceseparation device 51, which is of a different kind than the separation device 9shown in f1g. 1. However, the high-performance separation 51 device stillhave many features in common with the separation device 9 described in f1g1, and in particular the high-performance separation device 51 is arranged togenerate a centrifugal force acting on any solid particles in the contaminatedwater in a direction of separating the solid particles from the contaminatedwater. Furthermore, the high-performance separation device is adapted togenerate a centrifugal force higher than or equal to 5000 G.
    In this example the high-performance separation device 51 is a disk stack. Adisk stack 51 comprises a bowl 53, a rotating mechanical member 55 in theform of an internal rotor, and a plurality of obliquely positioned and spacedapart disks 57 inside the rotor. The disk stack further comprises an engine ormotor 59 arranged to rotate the rotor 55 with a speed higher than or equal to2000 Rpm. In this example, the mechanical member 55 of the separationdevice is designed to be able to rotate with a speed higher than or equal to5000 Rpm. The incoming contaminated water is introduced via an inlet 61 atthe top, is pushed towards the bottom of the bowl 53and is rotated to veryhigh speeds by the rotor 55. Due to differences in density the solidssuspended in the liquid are pushed towards and collected at the outer rim ofthe rotor 55. A piston (not shown) intermittently allows discharge of thegathered solids. The clarified liquid on the other hand moves into the centreof the disk stack 51 and is pushed towards a discharge outlet 63 alsoarranged in the top of the bowl. Due to the obliquely arranged and spacedapart disks 57 the contaminated liquid stream is divided into several smallerstreams inside the disk stack, and the return of solids towards the outer rimof the rotor 53 is simplified. In this example the disk stack 51 is arranged togenerate a centrifugal force acting on the solid particles suspended in theliquid which is higher than or equal to 5000 G. In this example the disk stackis arranged to generate a centrifugal force which is higher than or equal to7000 G. In this example the disk stack 51 is designed to be able to generate17a centrifugal force which is up to 13000 G during operation. Disk stacks areknown to have very high separation abilities.
    The separation arrangement further comprises a solids collection device 65arranged to collect any solid particles discharged from the disk stack, and toform the separated solid particles into dry, combustible bodies.
    The ozone treatment arrangement 47 comprises, as per the ozone treatmentarrangement of f1g. 1, an ozone generation device 67 arranged to generateozone, an ozone injection device 69 arranged to inject the generated ozoneinto the contaminated water stream, an ozone removal device 71, a UV-radiation source 73 arranged for irradiating the contaminated water, and anion exchanger 75. One main difference of the present ozone treatmentarrangement 47 relative to the ozone treatment arrangement 11 of fig. 1, isthat the UV-radiation source 73 in this example is arranged in combinationwith the ozone treatment. The UV-radiation source 73 is thus located inbetween the ozone injection device 69 and the ozone removal device 71,wherein the contaminated water is acted upon simultaneously by both ozoneand UV-radiation. This may in some cases lead to a better degradation, sinceUV-light may initialize some degradation mechanisms in which ozonepartakes .
    In f1g. 3 yet another example of an installation arrangement 77 according tothe invention is shown. As before, for like components the reader is referredto the descriptions in relation to figs 1 and 2 for details. The installationarrangement 77 is in this example shown installed in association with abuilding or a building complex, such as a hospital, for purif1cation ofcontaminated waste water originating from the activities performed within thebuilding or building complex 79.
    In this example the separation arrangement 81 comprises at least twoseparation devices 83, 85 arranged to process the contaminated water oneafter the other. In this example the separation arrangement comprises a firstseparation device 83 in the form of a decanter, and a second separation18device 85 downstream of the first separation device 83 in the form of a diskstack. Thus the decanter 83 first completes a rough separation after whichthe disk stack 85 effects a very high-efficiency separation in which very smallsuspended particles are removed. This gives the advantage of both a higherseparation efficiency, but also that the solids content is separated into twodifferent fractions with different particle size distributions. The installationarrangement 77 further comprises a cyclone 84 and solid collection devices86 for collection of the separated solids.
    In this example the oxidation and dissociation arrangement comprises anozone treatment arrangement 87 comprising an ozone generating device 88,an ozone injection device 93 and an ozone removal device 95 furthercomprises two separate UV-irradiation sources 89, 91. A first UV-radiationsource 89 is positioned in between the ozone injection device 93 and theozone removal device 95 as shown in fig. 2, wherein the UV-radiation mayinitiate ozone degradation mechanisms, and the second UV-radiation source91 is positioned downstream of the ozone removal device 95, also as shown infig. 2, wherein the UV-radiation may act to ionize non-affected compounds inthe water and to remove any remnants of ozone. This is in turn followed byan ion exchanger 97 as described previously. The outlet pipe 99 in turn leadsto a municipal waste water system 101, in this example illustrated by aculvert leading to a municipal waste water treatment plant. Even though theinstallation arrangement according to the invention should be capable ofpurifying the waste water sufficiently for letting the waste water out into theenvironment immediately, it may in some instances be beneficial to connectthe waste water outlet pipe 99 to a municipal waste water system 101anyway, for example due to legislation or due to ease of transportation of thepurified waste water to a suitable discharge location.
    The invention is not limited to the examples shown but may be varied freelywithin the framework of the following claim. In particular, the features andcomponents shown in the different examples may freely be interchanged witheach other without departing from the invention.
    权利要求:
    Claims (15)
    [1] 1. An installation arrangement for purification of contaminated Water, theinstallation arrangement comprising an oxidation and/ or dissociationarrangement comprising an arrangement selected from the group consistingof an ozone treatment arrangement, an electro-Fenton arrangement and aradiolysis arrangement, or any combination thereof, characterized in that theinstallation arrangement (1, 39, 77) further comprises at least one separationarrangement (7, 45, 81) for separating solids from the contaminated Waterarranged upstream of the oxidation and/ or dissociation arrangement,Wherein the separation arrangement (7, 45, 81) comprises at least one high-performance separation device (9, 51, 83, 85) arranged to generate acentrifugal force higher than or equal to 1.5 G acting on solid particles in thecontaminated Water in a direction of separating the solid particles from the contaminated Water.
    [2] 2. An installation arrangement according to claim 1, characterized in that theinstallation arrangement (1, 39, 77) further comprises an ion separationarrangement comprising an arrangement selected from the group consistingof an ion exchange device, a filter device containing polonite® as filtermaterial, an electro-coriolysis arrangement, and an electro-coagulationarrangement and/ or any combination thereof, and Which ion separationarrangement is arranged downstream of the oxidation and/ or dissociationarrangement for removal of organic or metal ions from the contaminated water.
    [3] 3. An installation arrangement according to claim 1 or 2, characterized inthat the installation arrangement (1, 39, 77) comprises a UV-radiation source(35, 73, 89, 91) arranged for irradiating the contaminated Water.
    [4] 4. An installation arrangement according to any of the claims 1-3,characterized in that the separation arrangement (7, 45, 81) comprises asolids collection device (27, 65) arranged to collect and form the separated solids into dry, combustible bodies.
    [5] 5. An installation arrangement according to any of the claims 1-4, characterized in that the high-performance separation device (9, 51, 83, 85) is adapted to generate a centrifugal force higher than or equal to 1000 G.
    [6] 6. An installation arrangement according to any of the claims 1-5,characterized in that the high-performance separation device (9, 51, 83, 85) isarranged to generate said separating centrifugal force by rotating amechanical member (13, 55) designed to be able to rotate With a speed higher than or equal to 2000 Rpm.
    [7] 7. An installation arrangement according to claim 6, characterized in that therotating mechanical member (13) is shaped as a screw.
    [8] 8. An installation arrangement according to any of the claims 1-7,characterized in that the high-performance separation device (9, 83) is acentrifugal decanter or a centrifugal tricanter.
    [9] 9. An installation arrangement according to any of the claims 1-5,characterized in that the mechanical member (13, 55) of the separation device(51, 85) is designed to be able to rotate With a speed higher than or equal to5000 Rpm.
    [10] 10. An installation arrangement according to any of the claims 1-5 or 9,characterized in that the high-performance separation device (51, 85) is a disk stack centrifuge.
    [11] 11. An installation arrangement according to claim 1, characterized in thatthe oxidation and/ or dissociation arrangement is an ozone treatmentarrangement (11, 47, 87) arranged to treat the contaminated Water Withozone, Wherein the ozone oxidizes organic and/ or metallic substances contained in the contaminated Water. 21
    [12] 12. An installation arrangement according to claim 2, characterized in thatthe ion separation arrangement comprises an ion exchange device (37, 75, 97).
    [13] 13. An installation arrangement according to any of the claims 1-12,characterized in that the installation arrangement (1, 39, 77) is adapted to beinstalled in association With building or a building complex (79), such as ahospital, for purification of contaminated Waste Water originating from the activities performed Within the building or building complex.
    [14] 14. An installation arrangement installed in a building or a building complex(79), such as a hospital, for purification of contaminated Waste Wateroriginating from the activities performed Within the building or buildingcomplex, the installation arrangement (1, 39, 77) comprising an oxidationand/ or dissociation arrangement comprising an arrangement selected fromthe group consisting of an ozone treatment arrangement, an electro-Fentonarrangement and a radiolysis arrangement, or any combination thereof,characterized in that the installation arrangement (1, 39, 77) furthercomprises at least one separation arrangement (7, 45, 81) for separatingsolids from the contaminated Water arranged upstream of the oxidationand/ or dissociation arrangement, Wherein the separation arrangement (7, 45,81) comprises at least one high-performance separation device (9, 51, 83, 85)arranged to generate a centrifugal force higher than or equal to 1.5 G acting on solid particles in the contaminated Water in a direction of separating the solid particles from the contaminated Water.
    [15] 15. An installation arrangement according to claim 14, characterized in thatthe installation arrangement (1, 39, 77) is designed in accordance to one or more of the claims 1-13.
    类似技术:
    公开号 | 公开日 | 专利标题
    Rao et al.2002|Biosorption of phenol from an aqueous solution by Aspergillus niger biomass
    EP3044173B1|2017-11-15|An installation arrangement for purification of contaminated water from pharmaceuticals
    CN102557307B|2013-10-09|Process and system for advanced treatment of mine water
    CN107235609A|2017-10-10|A kind of deep treatment method of compound sewage
    CN1108619A|1995-09-20|Water treatment method and water treatment apparatus
    JP2007160169A|2007-06-28|Magnetic separation wastewater treatment system using biological regenerative form magnetic activated carbon
    IL285573D0|2021-09-30|Mechanochemical process
    CN1730415A|2006-02-08|Technique for treating garbage percolate based on diatomite and UASB
    CN203360228U|2013-12-25|Tobacco wastewater treatment system
    CN110550844A|2019-12-10|Domestic sewage's processing system
    CN201578930U|2010-09-15|Filtering membrane for wastewater treatment and wastewater treatment device
    CN102874977A|2013-01-16|Waste water treatment method
    CN108358375B|2020-08-11|Industrial sewage treatment method
    CN104787988A|2015-07-22|Intelligent domestic sewage treatment device and sewage treatment method
    KR101795698B1|2017-12-01|Waste water Treatment Method and apparatus by Centrifuges
    CN102730843B|2013-08-21|Biological sewage treatment agent for natural gas power generation sewage treatment
    CN103964532A|2014-08-06|Treatment process for absorbing and regenerating high COD sewage by using nanometer material
    CN212091676U|2020-12-08|VOC waste gas deodorization purifier
    CN110550845B|2022-03-15|Domestic sewage treatment system
    US10654734B2|2020-05-19|Process and device for treating wastewaters by oxidation
    CN211004866U|2020-07-14|Coating wastewater integrally-storing and purifying device
    AU2017208643B2|2022-03-10|Process and device for treating wastewaters by oxidation
    CN206751617U|2017-12-15|A kind of groundwater remediation processing system
    CN106915840A|2017-07-04|A kind of integrated refractory wastewater and reclamation set and sewage water treatment method
    CN212127868U|2020-12-11|Electromagnetic strong oxidation coking wastewater advanced treatment system
    同族专利:
    公开号 | 公开日
    EP3044173B1|2017-11-15|
    WO2015038055A1|2015-03-19|
    EP3044173A4|2017-03-01|
    SE538126C2|2016-03-08|
    EP3044173A1|2016-07-20|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2000061505A1|1999-04-13|2000-10-19|Konstantin Bogolitsin|Method for purifying the water|
    GB2350357A|1999-05-26|2000-11-29|Hynes Patricia Rosemary|Water treatment apparatus|
    JP2003062583A|2001-08-29|2003-03-04|Nkk Corp|Treating method for sewage containing decomposition resistant organic material and bromine, and equipment therefor|
    JP2003145184A|2001-11-06|2003-05-20|Kurita Water Ind Ltd|Wastewater treatment apparatus|
    US20090078632A1|2007-09-24|2009-03-26|Daniel Gallo|Modular oil-based sludge separation and treatment system|
    CN102701495B|2012-06-25|2013-11-06|重庆地质矿产研究院|Treatment method for organic wastewater difficult to degrade|CN106938868A|2017-03-23|2017-07-11|湖北保灵华环保科技有限公司|A kind of recycle-water in-depth processing system and method|
    CN108144133A|2017-12-23|2018-06-12|淮北智淮科技有限公司|A kind of medical treatment waste collecting device|
    CN108706693B|2018-05-24|2021-11-26|天津大学|Switchable three-electrode reactor for treating suspended matters and refractory organic pollutants|
    BR102018076939A2|2018-12-21|2020-07-07|Cristália Produtos Químicos Farmacêuticos Ltda|industrial system and process for inactivating liquid waste|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1351049A|SE538126C2|2013-09-11|2013-09-11|Purification installation to purify contaminated water from pharmaceuticals|SE1351049A| SE538126C2|2013-09-11|2013-09-11|Purification installation to purify contaminated water from pharmaceuticals|
    PCT/SE2014/051050| WO2015038055A1|2013-09-11|2014-09-11|An installation arrangement for purification of contaminated water from pharmaceuticals|
    EP14843906.0A| EP3044173B1|2013-09-11|2014-09-11|An installation arrangement for purification of contaminated water from pharmaceuticals|
    [返回顶部]