• 专利附录
  • 专利说明
  • 权利要求
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  • 优先权
    • 专利摘要:
    In a method and an apparatus for processing an industrial side stream material (1), the industrial side stream material (1) is treated in presence of calcium at a process temperature of 850 – 1400 ºC and with a residence time of about 1.5 – 3 hours at the process temperature for modifying the industrial side stream material. The industrial side stream material (1) is treated in a treating oven (2) which is used to provide a sufficient high process temperature and sufficient long residence time for the modifying and in which the industrial side stream material is moved during the treatment, and the modified industrial side stream material (3) is formed. Further, this application relates to a product and a use of the product.
    公开号:FI20175610A1
    申请号:FI20175610
    申请日:2017-06-28
    公开日:2018-12-29
    发明作者:Harri Hiltunen；Henri Ärling；Miikka Saarinen；Riikka Silmu
    申请人:Upm Kymmene Corp；
    IPC主号:
    专利说明:

    A METHOD AND AN APPARATUS
    FOR PROCESSING AN INDUSTRIAL
    SIDE STREAM MATERIAL
    FIELD
    This application apparatus for processing material. Further, product and a use of
    BACKGROUND
    It is known this waste streams are processes. For relates to a method an industrial side application relates the product.
    that several generated in instance, fly ash, and an stream to a industrial side and various industrial green liquor dregs, desulphurisation gypsum or the like are produced in a forest industry or an energy industry.
    These industrial side streams are difficult to utilize as a raw material or as a product.
    The ash produced by combustion of various materials may be used fertilizer or soil conditioning applications.
    OBJECTIVE
    The objective is to disclose a new type of method and apparatus for processing industrial side streams. Another objective is to disclose a new method and apparatus for utilizing industrial side streams.
    20175610 prh 28 -06- 2017
    Another objective is to form a product for excavating, road building or plant arrangement.
    SUMMARY
    The method for processing an industrial side stream material is characterized by what is presented in claim 1.
    The apparatus for processing an industrial side stream material is characterized by what is 35 presented in claim 13.
    The modified industrial side stream material is characterized by what is presented in claim 16.
    The product is characterized by what is presented in claim 19.
    The use of the modified industrial side stream material is characterized by what is presented in claim 20.
    BRIEF DESCRIPTION OF THE DRAWINGS
    The accompanying drawings, which are included to provide a further understanding of the method and apparatus and constitute a part of this specification, illustrate some embodiments of the method and 15 apparatus and together with the description help to explain the principles. In the drawings:
    Fig. 1 is a flow chart illustration of an embodiment of the method and apparatus for processing an industrial side stream material,
    Fig. 2 is aflowchartillustrationofanotherembodiment ofthe methodand apparatusforprocessing an industrialsidestreammaterial, and Fig. 3 is aflowchartillustrationofanotherembodiment ofthe methodand apparatusforprocessing an industrialsidestreammaterial.
    20175610 prh 28 -06- 2017
    DETAILED DESCRIPTION
    In a method for processing an industrial side stream material (1), the industrial side stream material (1) is treated in presence of at least calcium at a process temperature of 850 - 1400 °C and with a residence time of about 1.5 - 3.0 hours at the process temperature for modifying the industrial side stream material, the industrial side stream material (1) is treated in a treating oven (2) which is used to provide a sufficient high process temperature and sufficient long residence time for the modifying and in which the industrial side stream material is moved during the treatment, and the modified industrial side stream material (3) is
    The apparatus side stream material formed.
    for processing comprises is used sufficient high process temperature long residence time for modifying the stream stream which an at to and industrial least one provide a sufficient industrial side material (1) and in which the industrial side material is moved during the treatment and in the treated in temperature industrial side stream material presence of at least calcium at a process
    1400 °C and with a residence time of about 1.5
    3.0 hours at the process temperature, and at least one feeding device for supplying the industrial side stream material (1) into the treating
    One embodiment of the method and apparatus is shown in
    Fig
    1. Another embodiments of the method and apparatus are shown in Figs
    3.
    material
    In this context, the industrial side stream industrial side stream or industrial waste stream,
    e.g. side stream of the forest or energy industry .
    The industrial side stream
    20175610 prh 28 -06- 2017 comprise one or more industrial side stream components, e.g. side stream components of the forest or energy industry. In one embodiment, at least one of the industrial side stream components may comprise calcium. Alternatively the industrial side stream component does not comprise, at least essentially, calcium. In one embodiment, the industrial side stream component may comprise at least 35 one of Al, Si, S or any combinations thereof. In one embodiment, the industrial side stream component
    20175610 prh 28 -06- 2017 comprises at least calcium and at least one of Al, Si, S or any combinations thereof. Ca, Al, Si or S may be in the form of any compound. Preferably, Ca, Al, Si and S increase hardening in the modified industrial 5 side stream material and/or in the product. In one embodiment, the industrial side stream component is selected from the group comprising an ash based material, calcium based material, green liquor dregs, lime mud, desulphurisation gypsum and their 10 combinations. The industrial side stream material can also comprise other components.
    In one embodiment, the industrial side stream material (1) comprises at least an ash based material. In one embodiment, the ash based material comprises at 15 least fly ash, ash based side stream or ash based residue, e.g. electrostatic precipitator ash of lime kiln. In one embodiment, the ash based material further comprises at least another component. In one embodiment, the ash based material comprises calcium.
    Preferably, the fly ash is obtainable from a combustion of forest industry material or from a combustion of biomass, e.g. in a forest industry or bio power plant. In one embodiment, the fly ash is formed by combusting material selected from the group 25 comprising wood based material, bark based material, forest felling residue, recycling material, plant based biomass, de-inked pulp, de-inking residue, waste water treatment sludge, peat and their combinations. In one embodiment, the fly ash is a wood based ash. In 30 one embodiment, the fly ash is an ash from a deinking plant, and the ash may comprise preferably calcium.
    In one embodiment, moisture content of the ash based material is less than 40 %, such as 0 - 40 %
    (w/w) basedon the total weightofthe ash based35material. Inone embodiment, theashbasedmaterial (1) comprisescalcium. Calcium maybein theform of
    any calcium compound, based material (1). In the ash based material the total material material material
    e.g.
    one dry weight of the
    In one embodiment, comprises forest calcium waste, lime, CaCO3, in the ash embodiment, Ca content is 5 ash based material.
    the industrial side (1) comprises at least which comprises calcium.
    may be calcium or energy based residue calcium stream, of stream based a calcium
    The calcium based based any material or composition which or calcium compound, e.g. from a industry. In one embodiment, the material or side material is formed from an industrial stream. In one embodiment, the is calcium containing waste
    e.g. green liquor dregs embodiment, the from the group or lime mud. In one calcium based comprising lime manufacture, green liquor deposit, rejected lime, material fraction dregs, lime lime kiln ash is selected of the pulp mud
    ESP of lime desulphurisation gypsum and their combinations.
    embodiment, composition the calcium based material based ash
    In is comprising calcium compound, such recycling calcium moisture content of than 60 %, such as one as weight of the compound.
    In one embodiment, the calcium based material is less calcium based material. Calcium may be
    20175610 prh 28 -06- 2017 in the form of any calcium compound, e.g. lime, CaCO3 or CaSO4, embodiment, is 30 the calcium material material material
    Ca
    In the calcium based material.
    content of based material.
    one embodiment (1) comprises and calcium based
    In one embodiment
    In one the calcium based material on the total dry weight of the industrial at least said material.
    , the industrial side ash side stream based stream grinding, screening, crushing, homogenization method.
    In one embodiment calcium based material is (2). In one embodiment, calcium based material is embodiment, material is embodiment, mixing and/or other , an addition (4) of the supplied to the industrial or into the treating the addition (4) of added by mixing.
    In oven the one the addition added into the treating oven the calcium based the treating oven
    In one embodiment, based
    In one material is a material added before mixture which comprises calcium and comprises at least two material components is stream material (1) or one embodiment, the added to the industrial material mixture comprises at least one of calcium based green liquor dregs, desulphurisation gypsum, fly ash and any combinations thereof is industrial side stream material (1) treating mixture material material is side
    In material, lime mud, which added or embodiment, the at least one of
    In one comprises to the added to or into the the embodiment, the material at least calcium based industrial side stream material mixture (5) which comprises green liquor dregs, desulphurisation
    20175610 prh 28 -06- 2017 gypsum, lime mud is added into the material fly ash and any combinations thereof to the industrial side stream embodiment, the material one added mixture one mixture is added before the
    In one embodiment, to improve the properties by is material (1) or embodiment, mixing .
    added embodiment, treating oven an additive
    In into the may of the modified the one the material be ash material (3). In one embodiment, the additive is added based added to the industrial side stream material (1) or into the treating oven (2) .
    In one embodiment, a feed of the treating oven (2) comprises the industrial side stream material 5 (1) 1 - 100 % (w/w) based on the total dry weight of the feed. In one embodiment, the feed of the treating oven (2) comprises the ash based material 0 - 100 % (w/w) based on the total dry weight of the feed. In one embodiment, the feed of the treating oven (2) comprises the calcium based material 0 based on the total dry weight of the feed. In one embodiment, material material treating material is the calcium based material on the total dry weight added to the industrial
    In one embodiment, the oven of 1 of the total side feed (2) comprises the industrial side which comprises stream of the stream the ash based material and/or calcium based on the total dry material, weight about 100 % (w/w) based of the feed. In one embodiment, the feed of the treating oven comprises embodiment the the total dry ash based material one embodiment 40 weight of the feed.
    the feed of the based material about and
    In one based material one embodiment, comprises the ash the calcium based
    20175610 prh 28 -06- 2017 material weight content, about based on the total dry of the feed.
    In one embodiment, calcium determined as embodiment 30 weight of the material, stream material mixture industrial side industrial side
    CaO, is 25 in the industrial side stream in the mixture of the industrial side the addition (4) or material
    Further, m one embodiment, the stream mixture of the stream material (1) and the addition
    In one stream material mixture embodiment, Al material (1) or side stream material (5) comprises Al, Si and/or S.
    content of the industrial side the mixture of the industrial
    20175610 prh 28 -06- 2017 determined as
    AI2O3, is 3 in one embodiment 5 based on the total dry weight content of the mixture of the material. In one embodiment, S the of industrial side stream material (1) the industrial side stream material or and the addition determined as SO3, is on material. Preferably, stream mixture
    Al, Si material mixture embodiment material and (5) comprises the total dry weight of the industrial the side stream mixture of the industrial side the addition (4) or material at least Ca and at least one of and S in order to increase reactivity of the modified industrial side stream material (3), and then sufficient hardening can be produced
    The treating oven or furnace which is used to provide into the product.
    be any oven, a sufficient process temperature and sufficient long residence for the selected kiln high time modifying the industrial side stream material one embodiment from the group comprising a lime kiln, lime sludge reburning chamber furnace, combinations. In sludge reburning treating oven.
    (2) comprises the drum treating material
    870 kiln, heat cement kiln, chamber treatment oven and one embodiment, kiln or cement the kiln
    In one embodiment, a horizontal drum.
    is arranged oven .
    can be
    In one
    1300 °C, oven, their lime kiln, is used as the treating lime the oven
    In one embodiment, into an inclined position in the
    In the moved drum the during the embodiment, the industrial side stream treatment.
    process temperature in one embodiment 900 is
    1200 °C and in one embodiment
    950
    1150 °C. In one embodiment, the industrial side stream material dried during the treatment in the treating oven embodiment, water is evaporated in the treating oven (2) . In one embodiment, the residence time is
    1.75
    2.5 hours, in one embodiment 2.0
    2.5 hours, m one embodiment
    3.0 hours, at the process temperature .
    material aluminum
    In one embodiment, (Al) . In one stream material (1) is silicon stream material sulphur the industrial side stream in presence of at embodiment, treated in embodiment, treated in one embodiment, least the industrial presence of at the industrial presence of at the industrial side least side least side stream material presence of least at
    calciumandat least one of Al,Si,Soranycombinationsthereof in the treatingoven ((2) . In one embodiment, the industrialsidestreammaterial(1)is activated during thetreatmentinthetreatingoven(2) for increasing thereactivityofthematerial. Inone embodiment, calciumis intheformofcalciumoxide in the modified industrialsidestream(3) . Inoneembodiment, calcium compound, suchas
    the
    CaCO3, in industrial side stream material (1),
    e.g. the ash based material and calcium based
    20175610 prh 28 -06- 2017 material, is calcined and share of amorphous structure is increased for forming the modified industrial side stream material (3), for example in the lime kiln.
    In side stream one embodiment , the modified industrial material is post-treated after the treating in a treating modified industrial oven side (2). In one embodiment, stream ground, pulverized or powdered.
    the is
    20175610 prh 28 -06- 2017
    In one embodiment, the method is carried out as a continuous process. In one embodiment, the method is carried out as a batch process.
    The modified industrial side stream material (3) is formed by the method and apparatus according to one or more embodiments described in this specification .
    Preferably, the modified industrial side stream material (3) comprises at least calcium. In one 10 embodiment, calcium content of the modified industrial side stream material (3), determined as CaO, is 25 98 %, in one embodiment, 2 8 - 7 0 %, in one embodiment 30 - 65 % and in one embodiment 35 - 60 %, (w/w) based on the total dry weight of the modified industrial 15 side stream material. Further, in one embodiment, the modified industrial side stream material (3) comprises at least one of Al, Si, S and any combinations thereof. In one embodiment, Al content of the modified industrial side stream material (3), determined as 20 AI2O3, is 3 - 25 %, in one embodiment 4 - 15 %, (w/w) based on the total dry weight of the modified industrial side stream material. In one embodiment, S content of the modified industrial side stream material (3) , determined as SO3, is 1 - 15 %, in one 25 embodiment 2 - 14 %, (w/w) based on the total dry weight of the modified industrial side stream material. In one embodiment, Si content of the modified industrial side stream material (3), determined as S1O2, is 2 - 35 %, in one embodiment 10
    - 30 %, (w/w) based on the total dry weight of the modified industrial side stream material.
    Further, the product which comprises the modified industrial side stream material (3) according to one or more embodiments described in this 35 specification is disclosed.
    The modified industrial side stream material (3) and/or the product may be used as a raw material in a soil stabilization or subgrade stabilization, e.g. by means of a mass stabilization, deep stabilization, pillar stabilization, spray stabilization and/or sandwich stabilization, as a raw material in a fertilizer, earth construction material, earth-moving material, road building material, plant arrangement material or landscaping material, as a 10 replacement or partial replacement for cement, or as a makeup lime in kraft pulp production, or in any combinations thereof. Preferably, at least a part of the cement can be replaced by means of the modified industrial side stream material or the product when 15 the modified industrial side stream material has sufficient hardening.
    By means of the method and apparatus the modified industrial side stream material (3) which is homogeneous material and has improved hardening can be 20 produced. The method and the apparatus provide the modified industrial side stream material which can be used as a replacement material for the cement. Preferably, the modified industrial side stream material is not used only as a filler in the cement or 25 other material.
    20175610 prh 28 -06- 2017
    By means of the method and apparatus various side stream and waste materials can be recirculated and reutilized in several products. Also wet or moist industrial side stream materials can be used.
    The method and apparatus provide an industrially applicable, simple and affordable way to treat various industrial side stream and waste materials. The method or apparatus is easy and simple to realize as a production process. The method and apparatus are suitable for use in connection with the
    manufactureof the differentsoilresiduestabilizationmaterials .productsfromdifferent wasteandEXAMPLES 5Someembodiments ofthemethodand apparatusare describedin more detailby the following examples
    with reference to accompanying drawings.
    Example 1
    Inthis example, an industrialside streammaterial(1)is processed according toa process ofFig .1 . Theapparatuscomprises at leastone treatingoven(2)andat least one feeding devicefor supplyingtheindustrial sidestream material(1) whichcomprisesone or morecomponents intothe treatingoven(2) .The treatingoven is selectedsuch that the
    treating oven can be used to provide a sufficient high process temperature and sufficient long residence time for modifying the industrial side stream material (1) and that the industrial side stream material can be moved during the treatment in the treating oven. In the treating oven the industrial side stream material (1) is treated in presence of at least calcium at a
    20175610 prh 28 -06- 2017 process temperature of 850 - 1400 °C and with a residence time of about 1.5 - 3 hours at the process temperature .
    The industrial side stream material (1) comprises component or components which may be selected from the group comprising an ash based material, calcium based material, green liquor dregs, lime mud, desulphurisation gypsum and their combinations. The ash based material may comprise at least fly ash, ash based side stream or ash based residue or any combinations thereof. The calcium based material may be selected from the group comprising lime fraction of the pulp manufacture, green liquor dregs, lime mud based deposit, rejected lime, lime kiln ESP ash (electrostatic precipitator ash of lime kiln), desulphurisation thereof. The industrial be pre-treated, e.g. by gypsum and any combinations side stream material (1) may grinding. An additive may be
    added to improve the based material (3).properties ofthemodified ash10The treatingoven(2) maybea limekiln, lime sludge reburningkiln,cement kiln,chamberoven, chamber furnace, heattreatmentoven orany
    combinations thereof. The treating oven (2) comprises a horizontal drum, and the drum is preferably arranged into an inclined position in the treating oven.
    The industrial side stream material (1) is treated presence of at least calcium, and preferably at least one of Al, Si, S or any combinations industrial thereof, side stream during the treatment for the material. Further, material treating material the is dried oven treating the treating material (1) increasing the the industrial
    The is activated reactivity of side stream during the treatment (2). The modified industrial side is post-treated, e.g. by in the stream grinding, after
    20175610 prh 28 -06- 2017
    The modified industrial side stream material (3) comprises at least calcium, and calcium content of the modified industrial side stream material (3), 30 determined as CaO, is 25 - 98 % (w/w) based on the total dry weight of the modified industrial side stream material. Further, the modified industrial side stream material (3) may comprise at least one of Al, Si, S and any combinations thereof if the starting 35 material comprises these agents. The modified industrial side stream material (3) may be used as a replacement or partial replacement for cement.
    Example 2
    In this example, an industrial side stream material (1) is processed according to a process of
    Fig .2 or Fig. 3. The apparatuscomprises at leastone treating oven(2) and at leastone feeding devicefor supplying10theindustrial sidestream material(1) which
    20175610 prh 28 -06- 2017 comprises one or more components into the treating oven (2) . The treating oven is selected such that the treating oven can be used to provide a sufficient high process temperature and sufficient long residence time 15 for modifying the industrial side stream material (1) and that the industrial side stream material can be moved during the treatment in the treating oven. In the treating oven the industrial side stream material (1) is treated in presence of at least calcium at a 20 process temperature of 850 - 1400 °C and with a residence time of about 1.5 - 3 hours at the process temperature .
    The industrial side stream material (1) comprises component or components according to Example 25 1. The industrial side stream material (1) may be pretreated, e.g. by grinding. An additive may be added to improve the properties of the modified ash based material (3).
    The treating oven (2) may be a lime kiln, 30 lime sludge reburning kiln, cement kiln, chamber oven, chamber furnace, heat treatment oven or any combinations thereof. The treating oven (2) comprises a horizontal drum, and the drum is preferably arranged into an inclined position in the treating oven.
    According to the process of Fig. 2, an addition (4) of the calcium based material is supplied into the material material calcium treating oven be supplied
    According to mixture based desulphurisation an addition to the industrial side stream the process comprises of at
    Fig .
    least
    3, the one of material, gypsum, lime green liquor dregs, mud, fly ash and any combinations thereof is added into the treating oven material mixture (5) is added to the industrial side stream material (1).
    The treated in preferably combinations industrial industrial side stream material (1) presence at least thereof, is of at least calcium, and one of Al, Si, S or any side stream during the treatment for the material. Further, material treating material the the is dried oven treating
    The comprises modified the treating material (1) increasing the the industrial
    The is activated reactivity of side stream during the treatment (2). The modified industrial side is post-treated, e.g. by modified industrial side at least calcium, industrial side in the stream grinding, after stream material and calcium content of stream material determined as
    CaO, is 25 the total dry weight of the modified industrial side
    20175610 prh 28 -06- 2017 stream stream
    Si, S material.
    material and any material industrial
    Further, the modified industrial (3) may comprise at least one of side
    Al, combinations thereof if the starting comprises these agents.
    The modified side stream material (3) may be used as a replacement or partial replacement for cement.
    Example 3
    In this example, an industrial side stream material (1) was processed according to a process of Fig. 2 and Example 2.
    In this example, the treating oven (2) was a lime kiln which comprises a horizontal drum and the industrial side stream material (1) was a fly ash. Table 1 shows results of analyses of the fly ash. The process temperature was between 950 - 1050 °C such 10 that the temperature was 950 °C in the first trial, 950 - 1000 °C in the second trial and 1050 °C in the third trial. The residence time was 3 hours at the process temperature.
    An addition (4) of the calcium based material was supplied into the treating oven (2) . The calcium based material was green liquor dregs. Results of the analyses of the green Table 1.
    In the second agent was added into containing agent was desulphurisation gypsum liquor dregs are also shown in trial, a sulphure containing the fly ash. The sulphure a residual gypsum, i.e.
    Results of the analyses of the desulphurisation gypsum are also shown in Table 1.
    Table 1
    20175610 prh 28 -06- 2017
    ComponentCaOAI2O3SiO2 SO3 % (w/w)% (w/w)% (w/w)% (w/w)Fly ash14.616.642.50 . 6Green liquor dregs79.00.81.84.2Desulphurisationgypsum39.91.12.249.5
    Ca, Al, Si and S contents of the feed component were determined as CaO, AI2O3, S1O2 and SO3, and these contents were based on the total dry weight of by the component. Results are EDX normalized.
    A modified industrial activating the the lime kiln.
    supplied into the fly ash with
    In the first liquor dregs side stream was formed the green liquor dregs trial, fly ash of of were lime kiln. In the second trial, fly dregs (w/w) and desulphurisation gypsum of supplied into the lime kiln. In the third trial, fly were supplied into the lime kiln. These amounts were based on the total dry weight of the
    Results of the analyses industrial side stream material are and Table 3.
    feed.
    of the modified shown in Table 2
    20175610 prh 28 -06- 2017
    Table 2
    Trial sampleCaOAI2O3SiO2 S03 % (w/w)% (w/w)% (w/w)% (w/w)Trial 1, sample 147.38.420.55.5Trial 1, sample 250.27.821.23.5Trial 2, sample 151.35.114.214.7Trial 2, sample 249.44.913.714.9Trial 2, sample 348.05.616.813.0Trial 2, sample 448.26.117.212.1Trial 3, sample 144.97.321.28.3Trial 3, sample 247.66.922.83.5Trial 3, sample 357.46.116.13.8Trial 3, sample 448.26.325.12.4
    Table 3
    Trial sampleHeat ofhydration, peakFree CaO J/g% (w/w)Trial 1, sample 190 . 68.0Trial 1, sample 250.04.4Trial 2, sample 184.37.5Trial 2, sample 210.50 . 9Trial 2, sample 327.42.4Trial 2, sample 425.72.3Trial 3, sample 140.93.6Trial 3, sample 28.80.8Trial 3, sample 3112.710.0Trial 3, sample 473.46.5
    20175610 prh 28 -06- 2017
    Ca, Al, Si and S contents of the modified industrial side stream material (3) were determined as
    CaO, ΆΙ2Ο3, SiCg and SO3, and these contents were based on the total dry weight of the modified industrial side stream material. Results of Table 2 and free CaO in Table 3 are EDX normalized.
    Strength tests were carried out by means of
    EN196-1, and strength in trials 1 and 2 was 2 MPa after 14 days and strength in trial 3 was 9 MPa after 14 days. Collecting samples of the trials were formed such that the product of the trial was ground by means of Desintegrator DESI 15/16 C, 75 Hz. After that the strength, 14 days (14 d) , was determined from the formed samples.
    Heat of hydration was determined by means of
    EN 196-8. An amount of water was determined by means 20 of EN 196-3.
    It was observed that good strength of the modified industrial side stream material (3) can be achieved after 14 days. Further, it was observed that the modified industrial side stream material (3) can be used to replace cement, for example in a soil stabilization, subgrade stabilization, earth construction material or earth-moving material.
    The method and apparatus presented herein are suitable in different embodiments to be used in different processes to modify various industrial side streams. Further, the method and apparatus are suitable in different embodiments to be used for 10 producing the most different kinds of products from different raw materials.
    It is obvious to a person skilled in the art that with the advancement of technology, the basic idea of the method and apparatus may be implemented in various ways. The method and apparatus and their embodiments are thus not limited to the examples described above; instead they may vary within the scope of the claims. The embodiments described hereinbefore may be used in any combination with each other. Several of the embodiments may be combined together to form a further embodiment of the method and apparatus .
    权利要求:
    Claims (18)
    [1] 1. A method for processing an industrial side stream material (1), wherein the method comprises
    5 - treating the industrial side stream material (1) in presence of calcium at a process temperature of 850 - 1400 °C and with a residence time of about 1.5 - 3.0 hours at the process temperature for modifying the industrial side stream material,
    10 - treating the industrial side stream material (1) in a treating oven (2) which is used to provide a sufficient high process temperature and sufficient long residence time for the modifying and in which the industrial side stream material is moved 15 during the treatment, and
    - forming the modified industrial side stream material (3) .
    [2] 2. The method according to claim 1, wherein the industrial side stream material (1) comprises one
    20 or more industrial side stream components.
    [3] 3. The method according to claim 1 or 2, wherein at least one of the industrial side stream components comprises calcium.
    [4] 4. The method according to any one of claims 1 25 to 3, wherein the industrial side stream component comprises at least one of Al, Si, S or any combinations thereof.
    [5] 5. The method according to any one of claims 1 to 4, wherein the industrial side stream component is
    30 selected from the group comprising an ash based material, calcium based material, green liquor dregs, lime mud, desulphurisation gypsum and their combinations .
    [6] 6. The method according to any one of claims 1 35 to 5, wherein the industrial side stream material (1) comprises at least an ash based material which comprises at least fly ash, ash based side stream, ash based residue or any combinations thereof.
    [7] 7. The method according to any one of claims 1 to 6, wherein the industrial side stream material (1)
    5 comprises at least the calcium based material which is selected from the group comprising lime fraction of the pulp manufacture, green liquor dregs, lime mud based deposit, rejected lime, lime kiln ESP ash (electrostatic precipitator ash of lime kiln), 10 desulphurisation gypsum and any combinations thereof.
    [8] 8. The method according to any one of claims 1 to 7, wherein an addition (4) of the calcium based material is supplied to the industrial side stream material (1) or into the treating oven (2).
    15 9. The method according to any one of claims 1 to 8, wherein the material mixture (5) which comprises at least one of calcium based material, green liquor dregs, desulphurisation gypsum, lime mud, fly ash and any combinations thereof is added to the industrial
    20 side stream material ( 1) or into the treating oven (2) . 10. The method according to any one of claims
    20175610 prh 28 -06- 2017
    1 to 9, wherein calcium content, determined as CaO, is
    25 - 70 % (w/w) , based on the total dry weight of the
    25 material, in the industrial side stream material (1) or in the mixture of the industrial side stream material (1) and the addition (4) or material mixture (5) .
    [9] 11. The method according to any one of claims
    30 1 to 10, wherein the industrial side stream material (1) is treated in presence of at least calcium and at least one of Al, Si, S or any combinations thereof in the treating oven (2).
    [10] 12. The method according to any one of claims
    35 1 to 11, wherein the industrial side stream material (1) is activated during the treatment in the treating oven (2) for increasing the reactivity of the material.
    [11] 13. An apparatus for processing an industrial side stream material (1), wherein the apparatus comprises
    - at least one treating oven (2) which is used to provide a sufficient high process temperature and sufficient long residence time for the modifying the industrial side stream material (1) and which the industrial side stream material is moved during the treatment and in which the industrial side stream material (1) is treated in presence of calcium at a process temperature of
    850
    1400 °C and with a residence time of about
    3.0 hours at the process temperature, and, at least one feeding device for supplying the industrial side stream material into the
    [12] 14. The apparatus according to claim
    13, is selected from the group comprising a lime kiln, lime sludge reburning kiln, cement kiln, chamber oven, chamber furnace, heat treatment oven and their combinations.
    20175610 prh 28 -06- 2017
    [13] 15. The apparatus according to claim 13 or 14, wherein the treating oven (2) comprises a horizontal drum.
    [14] 16. The modified industrial side stream material (3) obtainable by the method according to any one of claims 1-12.
    [15] 17. The modified industrial side stream material according to claim 16, wherein the modified industrial calcium, industrial
    CaO, is 25 side and side of the modified stream material (3) comprises at least calcium stream content of material (3) the modified determined as based on the total dry weight industrial side stream material.
    [16] 18. The modified industrial side stream material according to claim 16 or 17, wherein the modified industrial side stream material (3) comprises at least one of Al, Si, S and any combinations 5 thereof.
    [17] 19. A product comprising the modified industrial side one of stream stream material (3) according to any claims 16
    [18] 20 . A material wherein stabilization use the is of the modified industrial side according modified used as a to any one of claims 16 industrial side raw material in or subgrade stabilization, as stream a soil a raw material in a fertilizer, earth construction material, earth-moving material, road building material , plant arrangement material or landscaping material r as a replacement or partial replacement for cement, or as a makeup lime in kraft pulp production, or any combinations thereof.
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    同族专利:
    公开号 | 公开日
    WO2019002692A1|2019-01-03|
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    EP3645465A1|2020-05-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CN110950555A|2019-12-09|2020-04-03|北京矿冶科技集团有限公司|Sulphoaluminate cement prepared from copper, lead and zinc smelting wastewater sludge and preparation method thereof|US5160539A|1991-04-05|1992-11-03|Progress Materials Inc.|Method and product of fly ash benefication by carbon burnout in a dry bubbling fluid bed|
    JP2004196557A|2002-12-16|2004-07-15|Taiheiyo Cement Corp|Artificial aggregate and its producing method|
    CN104261705A|2014-08-27|2015-01-07|成浩|Fly ash synthesized cement and production method thereof|CN110698122B|2019-11-18|2020-07-28|山东大学|Ecological light filler and preparation method thereof|
    FI20205150A1|2020-02-13|2021-08-14|Fatec Oy|Method for processing ashes of municipal waste incineration and product produced by the method and use of the product|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI20175610A|FI20175610A|2017-06-28|2017-06-28|A method and an apparatus for processing an industrial side stream material|FI20175610A| FI20175610A|2017-06-28|2017-06-28|A method and an apparatus for processing an industrial side stream material|
    EP18752175.2A| EP3645465A1|2017-06-28|2018-06-28|A method and an apparatus for processing an industrial side stream material|
    UY0001037784A| UY37784A|2017-06-28|2018-06-28|METHOD AND APPLIANCE FOR PROCESSING AN INDUSTRIAL SIDE FLOW MATERIAL|
    PCT/FI2018/050515| WO2019002692A1|2017-06-28|2018-06-28|A method and an apparatus for processing an industrial side stream material|
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