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    Production of a methane-rich synthesis gas
    1.
    发明授权
    Production of a methane-rich synthesis gas 失效
    甲烷丰富合成气的生产

    公开(公告)号：US3688438A

    公开(公告)日：1972-09-05

    申请号：US3688438D

    申请日：1970-12-28

    Applicant: TEXACO DEVELOPMENT CORP

    Inventor： SLATER WILLIAM LEON ,  SCHLINGER WARREN GLEASON

    IPC: C07C1/04 ,  C10K3/04 ,  C01B2/14

    CPC classification number: C10L3/08 ,  C07C1/0485 ,  C10K3/04 ,  C07C9/04

    Abstract: Methane-rich synthesis gas comprising H2, CO, CO2 and 10 to 26 percent by volume of CH4 (dry basis) is produced by the partial oxidation of a hydrocarbonaceous fuel in a free flow noncatalytic synthesis gas generator at a reaction temperature below 1,700*F., a pressure in the range of about 15 to 250 atmospheres, and a steam of fuel weight ratio in the range of about 3 to 5. The product gas, after removal of CO2 and H2S has a heating value in excess of 400 BTU/SCF.

    Abstract translation: 通过在低于1700°F的反应温度下在自由流动的非催化合成气体发生器中部分氧化烃类燃料产生富含甲烷的合成气，其包含H 2，CO，CO 2和10至26体积％的CH 4（干基） 在约15至250个大气压的范围内的压力以及燃料重量比在大约3至5范围内的蒸汽。除去CO 2和H 2 S后的产物气体的热值超过400BTU / SCF。

    4.
    发明专利
    未知

    公开(公告)号：DE2460901A1

    公开(公告)日：1975-07-10

    申请号：DE2460901

    申请日：1974-12-21

    Applicant: TEXACO DEVELOPMENT CORP

    Inventor： CHILD EDWARD TAYLOR ,  ROBIN ALLEN MAURICE ,  SLATER WILLIAM LEON ,  RICHTER GEORGE NEAL

    IPC: C10G9/38 ,  B01J21/00 ,  B01J23/00 ,  B01J29/00 ,  C01B3/22 ,  C01B3/36 ,  C07B61/00 ,  C07C1/00 ,  C07C1/02 ,  C07C1/04 ,  C07C9/04 ,  C07C67/00 ,  C10J3/46 ,  C07C3/38 ,  C10J3/00

    Abstract: This is an improved process for converting low-cost high-sulfur containing hydrocarbonaceous materials into a clean methane-rich gas stream which may be burned as a fuel without contaminating the atmosphere. A high-sulfur hydrocarbonaceous fuel is gasified by partial oxidation to produce a process gas stream which is cooled, cleaned and subjected to catalytic methanation over a sulfur-resistant catalyst comprising 0.8 to 10 atoms of an element selected from the group comprising Co, Cr, W or mixtures thereof per atom of an element selected from the group Mo, Ni, or mixtures thereof. The catalyst may be supported on a structure formed from Group III and IV elements e.g. alumina, silica stabilized alumina, zeolite. A distinct advantage of the subject process, is that the sulfur in the process gas stream is not removed prior to the methanation step. Rather, the sulfur is permitted to remain in the process gas stream in order to moderate the highly exothermic methanation reaction. After cooling and purification by removing one or more members of the group H2, CO, H2O, CO2, COS, H2S, Ar, and N2, the resulting methane-rich gas stream comprises about 10 to 95 mole % CH 4. Optionally, the CH4 content of said methane-rich gas stream may be increased to about 98 mole % or more by the additional steps of water-gas shift conversion, catalytic methanation, cooling, drying and CO2 removal. The product gas would then have a gross heating value of about 1000 BTU/SCF.

    PRODUCTION OF METHANE FROM CARBONACEOUS FUELS
    5.
    发明专利
    PRODUCTION OF METHANE FROM CARBONACEOUS FUELS 未知

    公开(公告)号：AU3680871A

    公开(公告)日：1973-06-14

    申请号：AU3680871

    申请日：1971-12-13

    Applicant: TEXACO DEVELOPMENT CORP

    Inventor： SLATER WILLIAM LEON ,  SCHLINGER WARREN GLEASON JR

    IPC: C07C1/02 ,  C10K3/00 ,  C01B2/14 ,  C10G9/48 ,  C10J3/06

    Abstract: 1360645 Methane production TEXACO DEVELOPMENT CORP 7 Dec 1971 [18 May 1971] 56674/71 Heading C5E Methane is produced by continuously introducing oxygen, carbon monoxide, hydrogen, optionally H 2 O, and a carbonaceous fuel into an unpacked reaction zone 3 maintained at a pressure of 300 to 4500 pounds per square inch and an autogenous temperature of 1200 to 2200‹ F., wherein the relative amounts of oxygen and carbonaceous fuel are sufficient to effect conversion of at least 70% of the carbon contained in the carbonaceous fuel into gaseous reaction products while maintaining an average temperature in the reaction zone within the temperature range; discharging as an effluent stream from the reaction zone products of reaction comprising carbon monoxide, hydrogen, methane, carbon dioxide and water vapour; separating water and carbon dioxide from the effluent at 17 and 21; and separately recovering substantially pure methane from the effluent at 24. Substantially all the carbon monoxide and hydrogen in the effluent may be recycled to the reaction zone via line 7. The carbonaceous fuel may be a hydrocarbon of higher molecular weight than methane and may be solid or liquid, e.g. ethane, propane, butane, liquefied petroleum gas, gasoline, naphtha, kerosine, crude petroleum, shale oil, tar, sand oil, cycle gas oil from fluid catalytic cracking, furfural extract of coker gas oil, Udex raffinate, asphalt, coaltar, petroleum coke, bituminous, anthracite and cannel coal, lignite, gilsonite, refinery waste gases, oxygenated hydrocarbonaceous materials such as alcohols, ketones, aldehydes, phenols and carbohydrates. The relative amounts of oxygen to carbonaceous fuel may be 0À6 to 1À0 oxygen atoms per carbon atom, and that of water may be 0À0 to 2-0 pounds water per pound of carbonaceous fuel. The oxygen may be introduced as an oxygen-rich stream containing at least 95 mol. per cent oxygen. 70 to 97% of the carbon may be converted, with the unconverted solid carbon in the effluent stream being separated and recycled as part of the carbonaceous fuel; if the fuel is liquid the carbon is recovered from the effluent by contact with the fuel in tower 11 and recycled via line 6.

    Synthesis gas from coke slurry withoutpreheating
    6.
    发明专利
    Synthesis gas from coke slurry withoutpreheating 未知

    公开(公告)号：DE2130120A1

    公开(公告)日：1973-01-04

    申请号：DE2130120

    申请日：1971-06-18

    Applicant: TEXACO DEVELOPMENT CORP

    Inventor： SCHLINGER WARREN GLEASON ,  SLATER WILLIAM LEON ,  DILLE ROGER MCCORMICK ,  TASSONEY JOSEPH PATRICK

    IPC: C01B3/12 ,  C10J3/46 ,  C10J3/16

    Abstract: Synthesis gas is produced from a slurry of 1-60 wt.% particulate solid carboniferous fuel in water and/or a hydrocarbon liquid fuel by contacting a stream of the slurry at a velocity of 5-50 ft/sec with an oxidising gas stream at a velocity of from 100 ft/sec to sonic velocity in a synthesis gas generator to form an atomised dispersion in which the O/C atomic ratio is from 0.7 to 1.2 and the H2O/fuel weight ratio is from 0.2 to 3, and reacting the atomised dispersion in the generator at 1800-3500 degrees F and 100-3000 psig. The oxidising gas is air, O2, or O2-enriched air with or without steam. The solid fuel is pref. petroleum coke and the slurry vehicle is suitably gasoline, whole or topped crude, shale oil, coal oil or tar sand oil. The process can be run without preheating of either of the two feed streams.

    SYNTHESIS GAS PRODUCTION BY PARTIAL OXIDATION
    9.
    发明专利
    SYNTHESIS GAS PRODUCTION BY PARTIAL OXIDATION 未知

    公开(公告)号：AU7966475A

    公开(公告)日：1976-10-07

    申请号：AU7966475

    申请日：1975-04-01

    Applicant: TEXACO DEVELOPMENT CORP

    Inventor： SLATER WILLIAM LEON

    IPC: C10G9/38 ,  B01J19/00 ,  C01B3/36 ,  C01B3/42 ,  C01B2/14

    Abstract: Compounds of Group I alkali metals i.e., Na, K, Li, or mixtures thereof are added to the feed to the reaction zone of a partial oxidation synthesis gas generator in order to raise the level of said alkali metals to a value in the range of about 350 to 13,000 parts per million (basis weight of hydrocarbonaceous fuel feed), or more. By this means, the partial oxidation reaction may be improved. Soot formation is reduced or oxygen consumption is decreased, or both. Further, the subject process may be useful for the recovery of naturally-occurring metal values that may be present in the hydrocarbonaceous fuel feed. Thus heavy metal compounds of Ni, V, and Fe in the hydrocarbonaceous fuel may be fluxed with said alkali metals in the reaction zone of the gas generator to facilitate their separation from the process gas stream, and to extend the life of the refractory lining of the reaction zone.

    10.
    发明专利
    未知

    公开(公告)号：DE2460975A1

    公开(公告)日：1975-07-31

    申请号：DE2460975

    申请日：1974-12-21

    Applicant: TEXACO DEVELOPMENT CORP

    Inventor： CHILD EDWARD TAYLOR ,  ROBIN ALLEN MAURICE ,  SLATER WILLIAM LEON ,  RICHTER GEORGE NEAL

    IPC: C07B61/00 ,  B01J21/00 ,  B01J23/00 ,  C01B3/22 ,  C01B3/36 ,  C07C1/00 ,  C07C1/04 ,  C07C4/04 ,  C07C9/04 ,  C07C67/00 ,  C10G9/38 ,  C10J3/46 ,  C07C3/38 ,  C10J3/00

    Abstract: Improved process for the production of substantially pure methane or clean synthetic natural gas (SNG) including the steps of partial oxidation of a hydrocarbonaceous fuel feed with substantially pure oxygen to produce a process gas stream comprising principally H2, and CO and having a critical mole ratio H2/CO in the range of 1.0 to below 1.5 and preferably 1.0 to 1.3; cooling the process gas stream and separating H2O, CO2 particulate carbon and gaseous impurities therefrom, reacting together the H2 and CO in said process gas stream in a catalytic methanation zone to produce a methane-rich gas stream containing gaseous impurities selected from the group consisting primarily of H2O, and CO2, along with minor amounts of H2, CO, N2, and Ar and mixtures thereof; and removing said H2O and CO2 to produce a product gas stream comprising substantially pure methane i.e. 95 mole % or higher (dry basis). The product gas may be used as a clean substitute natural gas having a gross heating value of about 980 BTU/SCF or higher.

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