• 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:
    A Fischer-Tropsch reaction to form alcohols from hydrogen and carbon monoxide, using a catalyst containing: (1) at least one element selected from the group consisting of molybdenum, tungsten, rhenium and mixtures thereof in free or combined form; (2) a promoter comprising an alkali or alkaline earth element in free or combined form; and optionally (3) a support; forms an alcohol fraction boiling in the range of motor gasoline in at least about 20 percent CO2 free carbon selectivity. The so-formed alcohol fraction is useful as an additive for motor gasoline.
    公开号:SU1475483A3
    申请号:SU843819005
    申请日:1984-11-16
    公开日:1989-04-23
    发明作者:Дж.Квардерер Джордж；А.Кочран Джин
    申请人:Дзе Дау Кемикал Компани (Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to sour cream alcohols, namely, an improved method for producing a C4-C alcohol fraction boiling in the boiling range of motor gasoline, which can be used as an additive to motor fuel.
    The aim of the invention is to increase the productivity and selectivity of the process achieved by the interaction of hydrogen and carbon monoxide at 235-318 ° C, a pressure of 7.07-21.13 MPa at a molar ratio
    H2SO2: 0.76-1.5: 1, gas flow rate 220-5220 in the presence as a catalyst of sulfide or metal oxide selected from the group of molybdenum or tungsten, with the addition of potassium carbonate on the carrier with the following content of components, wt.%:
    Sulfide or metal oxide11,59-66, О
    Potassium Carbonate 2.5-3.64 Carrier Others
    or molybdenum sulfide, rhenium or tungsten with the addition of potassium carbonate
    Ј
    cl
    J
    00
    with
     cm
    with the following content of components, wt.%:
    Metal sulfide68-94,5
    Potassium Carbonate 5.5-32
    The alcohols are prepared as follows. Example 1. In the general method used in this example, the reactor is a 0.5 inch (1.27 cm) stainless steel tube filled with a catalyst. The total catalyst volume is about 10 cm3. Pre-mixed gas stream from hydrogen, carbon monoxide and nitrogen serves
    from the cylinder and compress, and regulate at a prescribed pressure. The feed gas mixture contains hydrogen and carbon monoxide in fixed proportions, and about 5% by volume of nitrogen serves as an internal standard. Hydrogen sulphide is present in the feed stream. The feed gas mixture passes through an activated carbon bed at room temperature to remove iron and other carbonyls. The feed gas mixture is then passed at set space velocities through a fixed bed reactor, in which the reaction temperature is maintained using eectectrochemistry. Products from the reactor pass through a pressure relief valve and are directed to the sampling point of a gas chromatograph, which is located in a condenser cooled with dry ice. Liquid products from the condenser are collected, sampled and analyzed.
    Example 2, the process is carried out in a reactor analogously to example 1,
    Example 3. In the method used in this example, the reactor is a 0.5 inch diameter (1J27 cm) stainless steel tube filled with a catalyst. The total catalyst volume is about 40 cm3. Pre-mixed carbon monoxide and nitrogen from the cylinder are passed through a layer of molecular sieves at room temperature to remove iron and other carbonyls. The hydrogen from the cylinder is then mixed with carbon monoxide and nitrogen and the mixture is compressed to a fixed pressure. The feed gas mixture contains hydrogen and carbon monoxide in the established ratios
    0
    five
    j
    0 5
    0
    five
    0
    five
    and about 5% by volume of nitrogen as an internal standard. The supplied gas mixture is preheated and then passed at set volume velocities through a reactor with a stationary layer, which is maintained at the set reaction temperature using an electric furnace. The reaction products are passed to the vapor-liquid separator at room temperature. The gaseous products are withdrawn from the separator to the point of sampling of the gas chromatograph through a pressure relief valve in a condenser cooled with dry ice. Liquid products are collected, samples are taken and analyzed.
    Example 4: The reactor is a jacketed stainless steel tube filled with a catalyst. The total catalyst volume is about 1 ft3 (0.028 m3). A heat exchanging liquid passes through the jacket of the reactor to remove the heat of reaction. A gaseous stream of carbon monoxide passes through a layer of activated carbon at room temperature to remove iron and other carbonyls. The gaseous streams of hydrogen and carbon monoxide are then mixed in a fixed ratio. 5% by volume of nitrogen is added to the feed gas as an internal standard and the mixture is compressed to the prescribed pressure. The supplied gas mixture is preheated to the set reaction temperature, and then passed through a fixed bed reactor at a set volume rate. The reaction products are passed through a water-cooled condenser to a vapor separator - high pressure liquid. Liquid products from the high-pressure separator pass through the pressure relief valve to the low-pressure vapor-to-liquid separator. The gaseous products remaining in the high-pressure separator pass through the pressure-relief valve, they are combined with the gases from the low-pressure separator, and sent to the sampling point in the gas chromatograph. Liquid products from the low pressure separator are collected in a container, from where a sample can be taken and sent for analysis.
    Example In Example 5, the reactor is a jacketed stainless steel tube with a reduced catalyst bed. The total catalyst volume is about 0.65 ft3 (0.018 m3), the reactor jacket and internal nozzles are filled with a heat exchanging fluid to remove the heat of reaction. Gas supply and product recovery systems are described in Example 4 and used for a liquefied reactor. Reagents serve as a fluidizing medium.
    Examples 6-8. The process is carried out similarly to the method described in Example 3.
    Example 9-11. The process is carried out similarly. Example 1,
    Examples 12-18, Obtaining alcohols are carried out analogously to example 3,
    Examples 19-21. The process is carried out analogously to example 1. In the method used catalysts, for example, deposited.
    Examples 1, 2 and 5 include carriers Calgon® Type BPL III Granular Carbon. They are made from selected grades of bituminous coal, combined with suitable binders. The average particle size by weight, calculated from sieve analysis, is 113 microns. Bulk density is 0.55 g / cm3. The specific surface area calculated from the BET equation with three parameters using nitrogen adsorption is 1159 mg / g. Total pore volume is measured by nitrogen absorption at saturation. The average pore diameter calculated from the equation
    g, total pore volume
    D 4 xx
    specific surface area
    0 x 104
    equal to 285A (2.8 im), the admission that the total pore volume is enclosed in a cylindrical pore having a SBET surface area) 33% of the pores are mesopores, as calculated from the percentage of mesoporosity equal to
    cumulative pore volume in the interval of 20-600 A (2A0-60 nm)
    total pore volume
    In Example 4, a carrier group is introduced that includes the Union Carbide1 MBV, MW, SBV, TS-1564, and TS-1567 carbons that are produced by Whitk Chemical Corporation. MBV and MW are carbon based, SBV carbon is made from coconut shells. Average carrier properties: part size — 3/16 inch (4.7 mm) extrudates, bulk density 0.67 g / cm3, specific surface area 1179 m2 / g, average pore diameter 18 A (1.8 nm) and mesopo- Price of 27%.
    Preparation of the catalyst.
    The catalysts of Examples 3, 6, 7 and 8 are SN-5613 (American Cyanamide Company), having a surface area of 330 m2 / g, 20% molybdenum and 1.5% potassium on highly porous activated carbon.
    For examples 1, 2 and 5, use the following method, which gives about 75 g of catalyst.
    Using the pre-wetting technique, they impregnate 50.0 g of activated carbon with a solution, from 27.7 g (MH) of 6 Mo7Om 4HO and 2.7 g of K2SOE, dissolved in a mixture.
    x 100
    10 cm3 of 30-th water and 30 cm3 of water. The wet activated carbon is dried in air at room temperature and then calcined in an atmosphere of 5 sphere containing 20% 02/98% Na at 300 ° C for 2 hours. The catalyst of examples 1 and 2 was first restored.
    hover in Ng current at 500 ° C, pressure 30 psi (0.31 MPa) and 450
    0 for 16 hours. The catalyst of example 5 is first reduced in current H at 500 ° C, pressure 50 psi (0.45 MPa) and 200 within 4 hours (the procedure is typical for small catalyst lots), Numerous batches Catalysts are prepared and mixed for Example 5. In Examples 1, 2 and 5, the catalysts contain 21% molybdenum and 1.5% potassium.
    0 For Example 4, use the following procedure, which gives about 135 g of catalyst.
    Using the pre-wetting technique, soak 100 g.
    5 activated carbon solution containing 12.21 g (NH4) bMo7024-4HiO and 4.68 g dissolved in a mixture of 4.55 cm3 of 30% aqueous H2Aa and 53.03 cm3 of distilled water. Hydrated activated carbon is dried in a slow air flow at 35 ° C for 6-8 hours, then calcined in a stream of nitrogen at 350 ° C for 2-4 hours. The catalyst is filled with 22.547 g of Mo (CO) 6 with dry mixing of solid products at 80 ° C in air for 1-2 hours, and then calcined at 350 ° C in a stream of nitrogen for 2-4 hours. Filling Mo (CO) 6 and calcining are repeated two more times to obtain a filling of 67.64 Mr. Mo (CO) 6 in
    The catalyst of Example 11 is alkalized molybdenum disulfide. Molybdenum trisulfide
    whole The catalyst is first reduced in HI current at 500 ° C, pressure 5 is radiated by treating a solution of 15 g 50 psi (0.45 MPa) and 215 h-1 (MN ") 6 Mo 7024 4HO dissolved in
    within 4 hours. The above procedure is typical for small catalyst batches. For example 4, prepared
    106 cm3 of 22% aqueous (NH4) 2 S at 60 ° C 100 cm3 of concentrated acetic acid in 300 cm3 of water.
    many catalyst batches and mixtures are dried and calcined at
    In Example 4, the co-500 ° C catalysts for 1 hour in the atmosphere contain an average of 22.5% molybdenum and molybdenum disulfide 2, 0% potassium. On this molybdenum disulfide are combined in a mortar in the following proportions:
    is a alkalized MoS on coal. 2566% MoS2) 20% bentonite clay,
    The solution, heated to 50-60 ° C, sos-10% KgSOe m 4% lubricant Sterotex,
    each of 11.9 g of (NH) 6 MoTO4 4H40, these ingredients are ground together and
    2.5 g of K2CO and 71.1 g of a 22% aqueous portion of them are tabletted. (NH4) S not plated, added dropwise to 20 gn material used in the test,
    The feed in this example contains 50 12–20 mesh MBA activated carbon (Wilco Chemical Company) until the activated carbon is saturated. It takes about half of the solution. After drying in air at room temperature until activists per million of hydrogen sulfide,
    The catalysts used in Examples 12-15 are prepared by preparing experimental samples of molybdenum disulfide (Klimax Molybdenum,
    Charcoal will not be anymore wet (Michigan, Ann Arbor, Michigan), Overhead, activated carbon is heated in a stream of nitrogen at a temperature that increases by 2 ° C per minute to 300 ° C and is kept at this temperature for 1 hour. The next day, the impregnated activated carbon air-dried at 150 ° C for 15 minutes, then again impregnated with the remaining aqueous solution. Before reheating
    40
    The rates are as follows: 1619-6-2 at 129 m2 / g, 1619-8-2 at 95 m2 / g 1619-12-2 at 82 m2 / g and 1619-13-2 at 85 m2 / g for examples 12 -15 respectively. Each of the molybdenum sulphides is combined in a mortar with bentonite clay, potassium carbonate and Sterotex tableting lubricant to obtain catalysts, a small amount of 66% MoS2, 20% clay, 10% carbon content of 22% aqueous (NH4) is added to the solution aS. After air drying, the heating step is repeated. The sample shown in Table 1 was taken after several
    After mixing together, this mixture is tableted and used to make alcohols. Feed in examples 12-15 contains 50 h
    Hundreds of hours of this catalysis is 50 per million of hydrogen sulfide.
    The catalyst for Examples 16-18 is the alkalized molybdenum disulfide obtained by thermal decomposition (KH4) in MoS4. A solution of (NH4) 2MoS4 is prepared by a non-suspended or block alkalized 55 by mixing molybdenum disulfide (MoS2). 180 kg (NH4) 4 Мо702 „-4НгО in 400 cm3
    is obtained by thermal decomposition of a tetbody containing 100 cm3 of a container with reagents under reaction conditions.
    The catalyst of Example 10 is
    ammonium ratiomolybdate when heated
    in nitrogen at a temperature that increases by 5 ° C per minute to 580 ° C. At this temperature, it is kept for 1 hour. This mixture is ground together with a sufficient amount of potassium hydroxide to obtain 4% potassium in the finished mixture. This catalyst has a surface area of about 27 m2 / g. The feed in this example includes 20 parts per million of hydrogen sulfide.
    The catalyst of Example 11 is alkalized molybdenum disulfide. Molybdenum trisulfide is obtained by treating a solution of 15 g (MN ") 6 Mo7024 4HgO dissolved in
    when processing a solution of 15 g (MH „) 6 Mo7024 4HgO dissolved in
    106 cm3 of 22% aqueous (NH4) 2 S at 60 ° C 100 cm3 of concentrated acetic acid in 300 cm3 of water.
    ppm hydrogen sulfide,
    The catalysts used in Examples 12-15 are prepared by preparing experimental samples of molybdenum disulfide (Klimax Molybdenum,
    Michigan, Ann Arbor, MI), Oboz0
    The rates are as follows: 1619-6-2 at 129 m2 / g, 1619-8-2 at 95 m2 / g 1619-12-2 at 82 m2 / g and 1619-13-2 at 85 m2 / g for examples 12 -15 respectively. Each of the molybdenum sulphides is combined in a mortar with bentonite clay, potassium carbonate and Sterotex tabletting lubricant to produce catalysts containing potassium and 4% lubricant. After mixing together, this mixture is tableted and used to make alcohols. Feed in examples 12-15 contains 50 h
    ammonium hydroxide, with
    1300 cm3 of a 22% solution (. After stirring at 50-60 ° C for 2 hours, the solution (NH4) 2MoS. I drink in a wide shallow cup and evaporate to dryness overnight. Dry dark red (NH4) MoS calcined for 1 h at 500 ° C in nitrogen. The resulting black molybdenum disulfide is combined at the rate of 66% MoS, 10% potassium carbonate, 20% bentonite clay, and 4% tabletting lubricant Sterotex L The catalyst is then tabletted into tablets with a diameter of 3.2 mm Feed in example 16 contains 24 hours per million of hydrogen sulfide.
    The catalyst of Example 19 is re-, nor alkalized sulphide. Dissolve 10 g of Ker07 in 300 cm3 of water, then neutralize with concentrated ammonium hydroxide to pH 9. Then, 25 g of NazS2035H20 is dissolved in the basic solution. 100 cm3 of concentrated sulfuric acid are added to precipitate a black precipitate (Re2ST), which is filtered, dried and calcined for 1 hour at 500 ° C in nitrogen, to give ReS2. Alkali is introduced into the catalyst as,. For the tests, 5.4 g of ReS2 are mixed with 3 cm3 of tabulated alumina and loaded into the reactor, reduced with hydrogen containing 3% H2S at 450 ° C for 17 h,
    The catalyst of Example 20 is alkalized tungsten disulfide. It is prepared, a solution of 29.5 g of Na2W04 in 300 cm3 of water and adding 100 cm3 of 22% aqueous (NH4) a S there, in order to obtain a green solution (NH4) 2WS4. Acidification of the ETHOR solution causes precipitation of a dark red WS, which is filtered, dried and calcined at 500 ° C for 1 hour in nitrogen to obtain a WS. In the test, grind together 8.5 g WS and 0.5 g K2CO5 in a mortar and pestle. All this is then mixed with 8 cm3 of tablet aluminum oxide, loaded into the reactor and reduced with hydrogen containing 3% hydrogen sulfide at 450 ° C for 17 hours.
    The catalyst for Example 21 is reduced alkalized WOj on carbon. Using a base solution of 13.2 g (NH4) 10W1Z04) X11H 0 in 250 cm3 of water, 14.5 g of carbon beads obtained during the pyrolysis of polyvinylidenechloride are impregnated, four times are absorbed
    1475483
    0
    0
    five
    for 1 h in 10 cm3 of hot solution. Between impregnations, wet carbon is dried at room temperature, then dried in vacuum overnight at 100 ° C. After four impregnations, the catalyst is heated in nitrogen at a temperature rise rate of 0.4 ° C per minute at 450 ° C. This temperature is maintained at 6.5 h. Alkali solution is added dropwise to the catalyst in the form of a solution of 0.27 g of potassium carbonate dissolved in 4 cm3 of water. This catalyst is dried in air at room temperature 5 overnight, then treated in a stream of hydrogen at 500 ° C before feeding H (CO). The finished catalyst contains 8.6 wt.% Tungsten and 2.0 wt.% Potassium.
    The composition of the catalysts used in examples 1-21 are presented in table. one.
    The conditions and results of the hydrogenation of carbon monoxide to alcohols are presented in Table 2.
    The results of hydrogenation in examples 5-8 are presented in table.3.
    The conditions and results of the hydrogenation of examples 9-12 are presented in
    table.4.
    The results of hydrogenation in examples 13-17 are presented in table.5.
    The conditions and results of the hydrogenation according to examples 18-21 are presented in Table 6.
    权利要求:
    Claims (1)
    [1]
    The proposed method, in comparison with the known, allows to increase the selectivity for alcohols to 24-85% versus 13% with the performance for alcohols boiling in the boiling range of motor gasoline, 0.2-0.3 wt.h. alcohol / m.k.h. Invention Formula
    The method of obtaining the C, -C5 alcohol fraction boiling in the boiling range of 5 motor gasoline by the interaction of hydrogen and carbon monoxide under pressure at elevated temperature in the presence of a catalyst, characterized in that 0, with the aim of increasing the productivity and selectivity of the process, it is carried out temperature of 235-318 С, pressure of 7.07-21.13 MPa, with a molar ratio of H2: CO of 0.76-1.5: 1 and a gas velocity of 220-5220 h, sulphide or metal oxide selected from the group of molybdenum or tungsten, with obavkoy potassium carbonate on a carrier
    0
    five
    0
    with the following content of components, wt.%:
    Sulfide or oxide of the specified metal 11,59-66,0 Potassium carbonate 2.5-3.64 Carrier Else
    or molybdenum sulfide, rhenium or
    tungsten with the addition of potassium carbonate
    yy
    According to example 3
    Coal 7,660,4
    66
    Temperature, C Pressure, psi (MPa)
    N- / CO, molar ratio of GOSH, Recycle ratio
    with the following content of components, May,%:
    Molybdenum, rhenium or tungsten sulfide 68.0-94.5 Potassium carbonate 5.5-32 and get the target product with a selectivity of about 20% without taking into account C02 carbon.
    Table 1
    Clay and Sterotex 1020 4
    Table 2
    235
    300
    318
    1230 1500 1500
    (8.52) (10.44) (10.44)
    0.82 1.21 1.50 220 1950 1121 O 0 0 100 x mol C0 g formed from each mole of CO converted in the reactor. Selectivity, excluding CO2, is considered to be the molar selectivity of carbon without CO2.
     Carbon number 4 is allowed for other oxygenates
    The water is calculated as the mass percentage of the liquid phase.
    Table3
    I
    nineteen
    I
    20 Continuation of table 6
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    同族专利:
    公开号 | 公开日
    DE3485330D1|1992-01-23|
    BR8406451A|1985-03-12|
    NO160994C|1989-06-21|
    JPH0451530B2|1992-08-19|
    AU566529B2|1987-10-22|
    EP0119609B1|1991-12-11|
    KR900008106B1|1990-10-31|
    NO841678L|1985-10-28|
    KR840007863A|1984-12-11|
    ZA841982B|1985-11-27|
    PL246756A1|1985-03-26|
    PL147822B1|1989-08-31|
    WO1984003696A1|1984-09-27|
    US4749724A|1988-06-07|
    NO160994B|1989-03-13|
    EP0119609A1|1984-09-26|
    JPS60500868A|1985-06-06|
    MX162107A|1991-03-27|
    AU2581784A|1984-09-20|
    MY102875A|1993-03-31|
    NZ207546A|1987-07-31|
    引用文献:
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    申请号 | 申请日 | 专利标题
    US47667483A| true| 1983-03-18|1983-03-18|
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