The Catalyst Contains A Metal In Addition To The Iron, Or Another Material Utilized Contains A Metal Other Than Iron (e.g., As A Promoter, Retarder, Etc.) Patents (Class 518/721)
  • Patent number: 4670474
    Abstract: Crystalline palladium or platinum ferrometallosilicate compositions are prepared from a silica-containing mixture by digesting a reaction mixture comprising (a) a tetraalkylammonium compound, (b) a sodium hydroxide, (c) a titanium compound, an aluminum compound, or a manganese compound, (d) an oxide of silicon, (e) an iron ion source, (f) optionally, a chelating agent and (g) water to provide a crystalline ferrometallosilicate which is then palladium or platinum ion-exchanged. Conversion of synthesis gas to low molecular hydrocarbons with high C.sub.2 -C.sub.3 alkanes selectivity employing these new ferrometallosilicates as catalysts is also disclosed.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: June 2, 1987
    Assignee: National Distillers and Chemical Corporation
    Inventors: James A. Hinnenkamp, Vernon V. Walatka
  • Patent number: 4670476
    Abstract: Single phase, unsupported, Group IA or IIA metal salt promoted manganese-containing iron spinel catalysts, having Fe:Mn atomic ratios of 2:1 or above, have been found to be highly active for the selective conversion of CO/H.sub.2 to alpha olefins.
    Type: Grant
    Filed: January 8, 1986
    Date of Patent: June 2, 1987
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, Rocco A. Fiato
  • Patent number: 4668647
    Abstract: This invention relates to a finely divided iron carbide-based catalyst which is produced by a gas phase pyrolytic decomposition reaction driven by a laser. The catalysts may be used to produce various hydrocarbons, including olefins, from CO and H.sub.2.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: May 26, 1987
    Assignee: Exxon Research and Engineering Company
    Inventors: Gary W. Rice, Rocco A. Fiato, Stuart L. Soled
  • Patent number: 4666880
    Abstract: A method of forming a support for use with a primary catalyst for conversion of a feed stream comprising carbon monoxide and hydrogen into hydrocarbons is disclosed.A primary catalyst and a method of manufacturing the catalyst is also disclosed.Furthermore, a secondary catalyst for the production of branched chain alkenes from straight chain alkenes is also disclosed, together with methods of manufacturing the secondary catalyst.
    Type: Grant
    Filed: February 20, 1986
    Date of Patent: May 19, 1987
    Assignee: The Flinders University of South Australia
    Inventors: Bruce G. Baker, Neville J. Clark, Hamish McArthur, Edward Summerville
  • Patent number: 4659681
    Abstract: This invention relates to a promoted finely divided or supported iron carbide-based catalyst which is produced by a gas phase pyrolytic decomposition reaction driven by a laser and the use of such a catalyst to produce various heavier hydrocarbons from CO and H.sub.2.
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: April 21, 1987
    Assignee: Exxon Research and Engineering Company
    Inventors: Gary W. Rice, Rocco A. Fiato, Stuart L. Soled
  • Patent number: 4652587
    Abstract: A Fischer-Tropsch catalyst comprising iron co-deposited with or deposited on particles comprising a mixture of zirconia and titania, preferably formed by co-precipitation of compounds convertible to zirconia and titania, such as zirconium and titanium alkoxide. The invention also comprises the method of making this catalyst and an improved Fischer-Tropsch reaction process in which the catalyst is utilized.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: March 24, 1987
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Paul N. Dyer, Andrew F. Nordquist, Ronald Pierantozzi
  • Patent number: 4624942
    Abstract: A Fischer-Tropsch catalyst comprising iron co-deposited with or deposited on particles comprising a mixture of zirconia and titania, preferably formed by co-precipitation of compounds convertible to zirconia and titania, such as zirconium and titanium alkoxide. The invention also comprises the method of making this catalyst and an improved Fischer-Tropsch reaction process in which the catalyst is utilized.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: November 25, 1986
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Paul N. Dyer, Andrew F. Nordquist, Ronald Pierantozzi
  • Patent number: 4622308
    Abstract: An improved catalyst suitable for use in the production of hydrocarbons from the synthesis gas comprises an iron-containing Fischer-Tropsch catalyst, a zeolite and at least one metal selected from the group consisting of ruthenium, rhodium, platinum, palladium, iridium, cobalt and molybdenum. This catalyst gives a high CO conversion and hydrocarbons enriched with C.sub.5.sup.+ gasoline fraction.
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: November 11, 1986
    Assignee: Research Association for Petroleum Alternatives Development
    Inventors: Minoru Koikeda, Takashi Suzuki, Koutaro Munemura, Yoshihiko Nishimoto, Tetsuya Imai
  • Patent number: 4619947
    Abstract: A method for the preparation of hydrocarbons and oxygenated hydrocarbons which comprises contacting a gaseous mixture of carbon monoxide, hydrogen and oxygen with a catalyst comprising a metal of Group VII or Group VIII of the Periodic Table, the amount of oxygen not exceeding 10% by volume based on the volume of hydrogen.
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: October 28, 1986
    Assignee: Imperial Chemical Industries PLC
    Inventor: Samuel D. Jackson
  • Patent number: 4610975
    Abstract: A method of forming a support for use with a primary catalyst for conversion of a feed stream comprising carbon monoxide and hydrogen into hydrocarbons is disclosed.A primary catalyst and a method of manufacturing the catalyst is also disclosed.Furthermore, a secondary catalyst for the production of branched chain alkenes from straight chain alkenes is also disclosed, together with methods of manufacturing the secondary catalyst.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: September 9, 1986
    Assignee: The Flinders University of South Australia
    Inventors: Bruce G. Baker, Neville J. Clark, Hamish McArthur, Edward Summerville
  • Patent number: 4608359
    Abstract: Catalysts comprising iron carbide on a surface modified titania support wherein said support comprises a surface modifying oxide of tantalum, niobium, vanadium and mixtures thereof supported on said titania wherein at least a portion of said surface modifying oxide is in a non-crystalline form. These catalysts are useful for Fischer-Tropsch hydrocarbon synthesis reactions. Preferably, at least about 25 wt. % of said surface modifying oxide will be in a non-crystalline form.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: August 26, 1986
    Assignee: Exxon Research and Engineering Co.
    Inventors: Israel E. Wachs, Rocco A. Fiato, Claudio C. Chersich
  • Patent number: 4607021
    Abstract: Fly ash is activated by heating a screened magnetic fraction of the ash in a steam atmosphere and then reducing, oxidizing and again reducing the hydrothermally treated fraction. The activated fly ash can be used as a carbon monoxide disproportionating catalyst useful in the production of hydrogen and methane.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: August 19, 1986
    Assignee: The Standard Oil Company
    Inventors: David R. Corbin, Louis J. Velenyi, Marc A. Pepera, Serge R. Dolhyj
  • Patent number: 4596831
    Abstract: There is disclosed a resin-metal (complex) catalyst, a method for its preparation, activation and use in carrying out Fischer-Tropsch reactions. The complex is a resin which has attached to it a coordination compound(s) and a metal(s). The complex has utility as a Fischer-Tropsch catalyst. More specifically, the complex is useful for the gaseous conversion of synthesis gas (carbon monoxide and hydrogen) to hydrocarbons.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: June 24, 1986
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Wen-Liang Hsu, Richard J. Kurr, Neil A. Maly, Dane K. Parker, Robert W. Strozier
  • Patent number: 4594331
    Abstract: Substantially C.sub.2 + alkane hydrocarbons are produced from mixtures of CO and H.sub.2 by contacting same, at elevated temperature, with a catalyst comprising a mixture of iron carbide and ilmenite supported on titania wherein the ratio of the iron present in said supported iron carbide and ilmenite, calculated as Fe.sub.2 O.sub.3, to the surface area of the titania support ranges from about 2.times.10.sup.-3 to 25.times.10.sup.-3 grams per square meter.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: June 10, 1986
    Assignee: Exxon Research and Engineering Co.
    Inventors: Rocco A. Fiato, Edwin L. Kugler
  • Patent number: 4568698
    Abstract: Catalysts comprising a medium to large port zeolite modified by the oxide or acid of an element selected from the group consisting of Group IIIA to VIIA elements and, a Fischer-Tropsch catalyst wherein the ratio of zeolite to Fischer-Tropsch component is from about 0.1 to 50:1 can be employed to produce fuel grade saturated gaseous hydrocarbons from synthesis gas. A process is employed which includes the step of contacting synthesis gas over the foregoing catalyst at a reaction temperature of from about 100.degree. C. to 500.degree. C. and at a pressure of from about one atmosphere (0.1 MPa) to about 200 atmospheres (20 MPa) and at a gas hourly space velocity of from about 10 to 100,000. A method is also provided for the preparation of the combination catalyst. The catalyst and process for its use results in a small liquid aromatic product also being formed which is suitable for forming gasoline. Olefins and oxygenates are essentially eliminated.
    Type: Grant
    Filed: September 21, 1984
    Date of Patent: February 4, 1986
    Assignee: The Standard Oil Company
    Inventors: Michael J. Desmond, Marc A. Pepera
  • Patent number: 4565831
    Abstract: A process is described using novel thallium-promoted iron catalysts in CO hydrogenation with steam. Mixtures of CO and steam are converted to liquid C.sub.6 -C.sub.13 hydrocarbons containing substantial amounts of C.sub.6 -C.sub.13 aromatics.
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: January 21, 1986
    Assignee: Exxon Research and Engineering Co.
    Inventors: Franklin J. Wright, Michael A. Richard, James C. Pirkle, Jr.
  • Patent number: 4564642
    Abstract: A process for the production of unsaturated hydrocarbons by the catalytic hydrogenation of carbon monoxide is disclosed wherein the reaction takes place in the presence of a catalyst containing an oxide of a first metal selected from the transition metals of Group IV and a second metal selected from Group VIII of the periodic table. The reaction takes place at a reaction temperature of between about 250.degree. C. and 350.degree. C. and a reaction pressure of between about 10 and 30 bar.
    Type: Grant
    Filed: November 13, 1981
    Date of Patent: January 14, 1986
    Assignee: Ruhrchemie Aktiengesellschaft
    Inventors: Bernd Bussemeier, Carl D. Frohning, Gerhardt Horn, Werner Kluy
  • Patent number: 4564643
    Abstract: A process for producing a mixed alcohol by contacting a synthesis gas with a catalyst, wherein the catalyst is a solid substance prepared by:calcining a mixture of (A) a zinc compound, (B) a compound of at least one metal selected from iron, cobalt, and nickel, and (C) a compound of at least one metal selected from the metals belonging to Groups II-VII of the Periodic Table;impregnating the above-calcined product with (D) an alkali metal compound and/or an alkaline earth metal compound;calcining the resulting mixture; andreducing the thus-calcined product.The selectivity of the mixed alcohol is high in the process of the present invention. This is one of the advantages of the present invention. Furthermore, the proportion of alcohols other than methanol in the mixed alcohol is relatively high, and thus the mixed alcohol is suitable for use as an alcohol component to be compounded to gasoline.
    Type: Grant
    Filed: May 7, 1985
    Date of Patent: January 14, 1986
    Assignee: Research Association for Petroleum Alternatives Development
    Inventors: Masatoshi Shibata, Soichi Uchiyama, Yoshinobu Aoki
  • Patent number: 4559365
    Abstract: Catalysts comprising iron carbide on a surface modified titania support wherein said support comprises a surface modifying oxide of tantalum, niobium, vanadium and mixtures thereof supported on said titania wherein at least a portion of said surface modifying oxide is in a non-crystalline form. These catalysts are useful for Fischer-Tropsch hydrocarbon synthesis reactions. Preferably, at least about 25 wt. % of said surface modifying oxide will be in a non-crystalline form.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: December 17, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Israel E. Wachs, Rocco A. Fiato, Claudio C. Chersich
  • Patent number: 4548953
    Abstract: Substantially C.sub.2 + alkane hydrocarbons are produced from mixtures of CO and H.sub.2 by contacting same, at elevated temperature, with a catalyst comprising a mixture of iron carbide and ilmenite supported on titania wherein the ratio of the iron present in said supported iron carbide and ilmenite, calculated as Fe.sub.2 O.sub.3, to the surface area of the titania support ranges from about 2.times.10.sup.-3 to 25.times.10.sup.-3 grams per square meter.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: October 22, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Rocco A. Fiato, Edwin L. Kugler
  • Patent number: 4544674
    Abstract: Iron-cobalt spinels which contain low levels of cobalt, in an iron/cobalt atomic ratio of 7:1 to 35:1, are converted to Fischer-Tropsch catalysts upon reduction and carbiding that exhibit high activity and selectivity to C.sub.2 -C.sub.6 olefins and low CH.sub.4 production.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: October 1, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Rocco A. Fiato, Stuart L. Soled, Angelo A. Montagna
  • Patent number: 4540714
    Abstract: A gas rich in methane is prepared by the methanantion of a synthesis gas containing carbon oxides, hydrogen and optionally other gases in the presence of one or more gaseous sulphur compounds, normally in an amount of at least 10 ppm preferably at least 200 ppm by volume, calculated as H.sub.2 S, with the aid of a catalyst comprising vanadium and/or molybdenum, which during the process is present as one or more sulphides, on a support comprising titanium dioxide.A high activity and a high selectivity for methane are obtained. A further advantage is that, by far, the main constituent of the higher hydrocarbons formed is ethane, which, by conversion into ethylene, is an important raw material in petrochemical synthesis.The selectivity for methane formation may be further improved by promoting the catalyst with compounds, especially sulphides of metals of groups IA, IIA and/or IIIB, particularly cerium.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: September 10, 1985
    Assignee: Haldor Torsoe A/S
    Inventors: Karsten Pedersen, Jens R. Rostrup-Nielsen, Ib Greve H. Jorgensen, Kjeld J. Andersen
  • Patent number: 4539334
    Abstract: A Fischer-Tropsch process comprises contacting hydrogen and carbon monoxide in the presence of a conventional Fischer-Tropsch catalyst in combination with an amount of phosphorus effective to selectively poison the Fischer-Tropsch catalyst so as to improve the selectivity of said catalyst to C.sub.2 -C.sub.4 olefins.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: September 3, 1985
    Assignee: The Dow Chemical Company
    Inventor: Craig B. Murchison
  • Patent number: 4518714
    Abstract: The present invention provides an improvement in processes for the selective production of .alpha.-olefins from synthesis gas. The improvement embodied in the process of the present invention comprises the use of a catalyst system which comprises palladium, iron, and zinc. The zinc component of the catalyst system is preferably provided in the form of a zinc oxide support onto which the remaining catalyst components are deposited. The reaction is conducted under conventional conditions of temperature and pressure, preferably at about 220.degree. to 350.degree. C. and about 50 to 500 psig.
    Type: Grant
    Filed: July 11, 1984
    Date of Patent: May 21, 1985
    Assignee: Eastman Kodak Company
    Inventor: Bruce L. Gustafson
  • Patent number: 4513104
    Abstract: CO hydrogenation process is described utilizing novel thallium-promoted iron catalysts. Mixtures of CO/H.sub.2 are selectively converted to liquid C.sub.6 -C.sub.11 hydrocarbons containing C.sub.6 -C.sub.11 aromatics, alpha olefins and very small amounts of C.sub.23 + hydrocarbon waxes.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: April 23, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Franklin J. Wright, Michael A. Richard, James C. Pirkle
  • Patent number: 4511674
    Abstract: A gas mixture rich in ethan and/or ethylene is prepared by the conversion of a synthesis gas mixture containing hydrogen, carbon oxides and, optionally, other gases in the presence of one or more gaseous sulphur compounds, in an amount of at least 10 ppm by volume, preferably at least 200 ppm, calculated as H.sub.2 S, utilizing a catalyst consisting of one or more metals of group V-B and/or VI-B of the Periodic Table of Elements, preferably molybdenum and/or vanadium, together with one or more iron group metals each metal being in the form of free metal, oxide, or sulphide, the catalyst being supported on a porous, refractory oxidic support containing titanium dioxide.There is achieved a high activity and notably a high selectivity for the formation of ethane/ethylene, small amounts of propane, not insignificant amounts of methane and almost full suppression of the formation of higher hydrocarbons.The invention also relates to the catalyst prepared by impregnation or coprecipitation techniques.
    Type: Grant
    Filed: October 15, 1982
    Date of Patent: April 16, 1985
    Assignee: Haldor Topsoe A/S
    Inventors: Karsten Pedersen, Jens R. Rostrup-Nielsen, Ib Greve H. Jorgensen
  • Patent number: 4504600
    Abstract: CO hydrogenation process for producing alcohols is described utilizing novel thallium-promoted iron catalysts. Mixtures of CO/H.sub.2 are selectively converted to liquid C.sub.6 -C.sub.12 hydrocarbons containing C.sub.6 -C.sub.12 alcohols with attendant low methane and low CO.sub.2 make.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: March 12, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Franklin J. Wright, Michael A. Richard, James C. Pirkle
  • Patent number: 4487851
    Abstract: Process for conversion of synthesis gas to hydrocarbons in general and to aromatics rich gasoline in particular by contacting the gas with a catalyst composition comprising gallium oxide and/or indium oxide and at least one additional oxide of a metal from Group IB-VIIB or VIII of the Periodic Table. Cerium, thorium, and uranium are the preferred additional metals. The catalyst composition may optionally contain a further component e.g. a zeolite which in some cases can also act as a support. The present process (i) results in a low make of C.sub.1 to C.sub.2 hydrocarbons, (ii) is capable of using synthesis gas which has a low H.sub.2 :CO ratio, and (iii) gives a higher conversion of CO than achieved hitherto under similar conditions.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: December 11, 1984
    Assignee: British Petroleum Company, p.l.c.
    Inventors: Malcolm P. Heyward, Dennis Young
  • Patent number: 4455395
    Abstract: In a process for the production of unsaturated hydrocarbons comprising catalytic conversion of a feed gas comprising carbon oxides and hydrogen, the improvement which comprises carrying out said conversion at a temperature of 250.degree. to 350.degree. C. and under a pressure of 10 to 30 bars, said catalyst comprising at least one difficultly reducible oxide of the transition metals of Groups V and/or VII of the Periodic Table combined with at least one metal of Group 8 of the Periodic Table.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: June 19, 1984
    Assignee: Ruhrchemie Aktiengesellschaft
    Inventors: Bernd Bussemeier, Carl D. Frohning, Gerhardt Horn, Werner Kluy
  • Patent number: 4446251
    Abstract: A process for selectively preparing a mixture of two-carbon atom oxygenated hydrocarbons, namely, acetic acid, ethanol and acetaldehyde, by continuously contacting a gaseous reaction mixture containing hydrogen and carbon monoxide with a solid catalyst comprising rhodium in combination with sodium at reaction conditions correlated so as to favor the formation of a substantial proportion of such two-carbon atom products.
    Type: Grant
    Filed: March 17, 1982
    Date of Patent: May 1, 1984
    Assignee: Union Carbide Corporation
    Inventors: William J. Bartley, Thomas P. Wilson
  • Patent number: 4436834
    Abstract: Novel thallium promoted iron catalysts are described as being useful in CO hydrogenation processes utilizing CO/H.sub.2 mixtures for selectively producing C.sub.6 -C.sub.11 liquid hydrocarbons, containing C.sub.6 -C.sub.11 aromatic hydrocarbons and only very small amounts of C.sub.23 + hydrocarbon waxes.
    Type: Grant
    Filed: September 15, 1982
    Date of Patent: March 13, 1984
    Assignee: Exxon Research and Engineering Co.
    Inventor: Franklin J. Wright
  • Patent number: 4423156
    Abstract: The conventional process for the preparation of unsaturated hydrocarbons comprises catalytic hydrogenation of carbon oxides at 220.degree. to 500.degree. C. and pressures of up to 30 bars. It has been found that, by carrying out the foregoing reaction in the presence of at least one low molecular weight aliphatic alcohol, the yield of olefins and the catalyst life are substantially and surprisingly improved.
    Type: Grant
    Filed: June 13, 1983
    Date of Patent: December 27, 1983
    Assignee: Ruhrchemie Aktiengesellschaft
    Inventors: Bernd Bussemeier, Boy Cornils, Carl-Dieter Frohning
  • Patent number: 4410637
    Abstract: A process for the preparation of a hydrocarbon mixture from a mixture of carbon monoxide and hydrogen, using a catalyst combination containing one or more metal components with catalytic activity for the conversion of an H.sub.2 /CO mixture into acyclic hydrocarbons, e.g., Ru, Co, Fe, Ni and Cr, and as carrier a laminar compound capable of absorbing metal ions or metal salts by intercalation. Preferably the laminar compound is a laminar crystalline silicate, e.g., magadiite.
    Type: Grant
    Filed: October 23, 1981
    Date of Patent: October 18, 1983
    Assignee: Shell Oil Company
    Inventors: Andras G. T. G. Kortbeek, Emmanuel E. A. Neel, Guy Barre
  • Patent number: 4408069
    Abstract: A homogeneous catalytic process for the conversion of methanol to methyl acetate. The process comprises contacting CO with methanol in the presence of a catalytically effective amount of an iron-cobalt carbonyl complex of the formula M[FeCo.sub.3 (CO).sub.12 ] or M[CoFe.sub.3 (CO).sub.13 ] where M is hydrogen or a cation and an iodide promoter, heating the resultant mixture at temperatures of from 100.degree. to 250.degree. C. at pressures of from 5 to 100 MPa.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: October 4, 1983
    Assignee: Exxon Research and Engineering Co.
    Inventor: Gerald Doyle
  • Patent number: 4397964
    Abstract: An unsupported particulate catalyst especially useful for methanation reactions is prepared by a method comprising fluid-bed roasting agglomerates of nickel sulfide to form a particulate precursor material which can be reduced to composite particles consisting essentially of a nickel-oxide core with a then coherent adherent layer of nickel thereon, the reduced particles being characterized at the surface by the presence of microcapillary pores interconnecting with each other and the outer surface of the particles.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: August 9, 1983
    Assignee: The International Nickel Company, Inc.
    Inventors: John K. Pargeter, Umar M. U. Ahmad
  • Patent number: 4385193
    Abstract: Middle distillate hydrocarbons are produced from feed mixtures of carbon monoxide and hydrogen by contacting said feed at elevated temperature and pressure in a first stage with certain impregnated catalysts and contacting at least the middle distillate fraction of the product of the first stage in the presence of hyrogen with a catalyst containing at least one metal having hydrogenation activity supported on a porous carrier.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: May 24, 1983
    Assignee: Shell Oil Company
    Inventors: Henricus M. J. Bijwaard, Michael A. M. Boersma, Swan T. Sie
  • Patent number: 4279830
    Abstract: The conversion of less than 1 H.sub.2 /CO ratio syngas to high yield of C.sub.3 plus product is accomplished with a CO reducing catalyst comprising shift characteristics and the product of Fischer-Tropsch synthesis is converted to premium gasoline and distillate fuels by contact with acidic ZSM-5 zeolite.The syngas conversion may be accomplished in any catalyst system permitting a very close temperature control on the exotherm encountered and the gasoline-distillate yield relationship may be varied as a function of temperature and pressure.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: July 21, 1981
    Assignee: Mobil Oil Corporation
    Inventors: Werner O. Haag, Tracy J. Huang
  • Patent number: 4269783
    Abstract: A method is disclosed for the conversion of a syngas to a liquid hydrocarbon product having a boiling range of less than 400.degree. F. at a 90% overhead and being a predominantly olefinic product, wherein the olefins have substantially internal double bonds. The method for accomplishing this stated result involves an improvement in the method for the conversion of synthesis gas by contacting the same with a catalyst composite comprising a mixture of a Fischer-Tropsch catalyst and a volume excess of an acidic catalyst, e.g., silica-alumina or a crystalline aluminosilicate zeolite and wherein the activity of the acidic component is balanced with the activity of the Fischer-Tropsch component so as to maximize the yield of desired olefinic product.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: May 26, 1981
    Assignee: Mobil Oil Corporation
    Inventors: James A. Brennan, Philip D. Caesar, Julius Ciric, William E. Garwood, Robert E. Holland