# US 7,612,013 B2 · Hydrocarbon-producing catalyst, process for producing the same, and process for producing hydrocarbons using the catalyst > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,612,013 B2 - Document ID: US7612013B2 - Status: Granted - Kind: B2 - Application number: 10/585,109 - Filed: 2005-02-23 - Published: 2008-03-13 - Granted: 2009-11-03 - Earliest claimed: 2004-02-24 - Assignees: Japan Oil, Gas and Metals National Corporation; Cosmo Oil Co., Ltd. - Inventors: Kazuhito Sato; Shigenori Nakashizu; Osamu Iwamoto; Hiroaki Otsuka - Web page: https://patentgrep.com/patent/US7612013B2 ## CPC - B01J 37/06: Washing {(B01J37/0009, B01J37/0018 take precedence)} - B01J 23/6562: {Manganese} - B01J 35/647: {2-50 nm} - B01J 35/66: Pore distribution - B01J 37/08: Heat treatment {(B01J37/0009, B01J37/0018 take precedence)} - C10G 2/333: {of the platinum-group} - B01J 21/04: Alumina - B01J 23/58: with alkali- or alkaline earth metals - B01J 23/63: with rare earths or actinides - B01J 37/0205: {in several steps} - C10G 2400/06: Gasoil - C10G 2400/08: Jet fuel - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C10G: CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B); RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES ## Abstract An object of the present invention is to provide a catalyst which, in the FT process, exhibits a high chain growth probability, and a high catalytic activity, can stably and smoothly promote the reaction, exhibits a high productivity of C5+, and can efficiently produce liquid hydrocarbons, and a process therefore. The invention relates to a hydrocarbon-producing catalyst obtainable by supporting a ruthenium compound on a support composed of a manganese oxide and an aluminum oxide, and which satisfies at least one of characteristics (1) and (2): (1) the catalyst being treated with an aqueous alkaline solution and subsequently subjected to calcination treatment in the air at 150 to 500° C., (2) the aluminum oxide being an aluminum oxide wherein pore volume formed by pores having a pore diameter of 8 nm or more accounts for 50% or more of total pore volume. ## Claims ### Claim 1 A catalyst for a Fischer-Tropsch reaction, which produces hydrocarbons from syngas and is obtained by supporting a ruthenium compound on a support composed of a manganese oxide and an aluminum oxide, and which satisfies characteristic (1) or characteristics (1) and (2): (1) the catalyst being treated with an aqueous alkaline solution and subsequently subjected to calcination treatment in an air at 150 to 500° C., (2) the aluminum oxide being an aluminum oxide in which pore volume formed by pores having a pore diameter of 8 nm or more accounts for 50% or more of total pore volume, wherein at least one sodium compound is further supported on the support. ### Claim 2 (depends on 1) The catalyst according to claim 1, wherein a supported amount of the ruthenium compound is from 0.5 to 5% by weight in terms of ruthenium metal on a basis of the catalyst before the treatment with the aqueous alkaline solution and the calcination treatment. ### Claim 3 (depends on 1) The catalyst according to claim 1, wherein a supported amount of the sodium compound is from 0.01 to 3% by weight in terms of oxide on a basis of the catalyst before the treatment with the aqueous alkaline solution and the calcination treatment. ### Claim 4 (depends on 1, 2, 3) A process for producing hydrocarbons, which comprises bringing a mixed gas containing hydrogen and carbon monoxide into contact with the catalyst according to any one of claims 1, 2 or 3. ### Claim 5 (depends on 1, 2, 3) The catalyst according to any one of claims 1, 2 or 3, wherein a ratio of the manganese oxide is from 10 to 70% by weight on a basis of the catalyst before the treatment with the aqueous alkaline solution and the calcination treatment. ### Claim 6 A process for producing a hydrocarbon-producing catalyst, which comprises treating, with an aqueous alkaline solution, a catalyst obtainable by supporting a ruthenium compound on a support composed of a manganese oxide and an aluminum oxide and subsequently subjecting the catalyst to calcination treatment in the air at 150 to 500° C. ### Claim 7 (depends on 6) The process according to claim 6, wherein the supported amount of the ruthenium compound is from 0.5 to 5% by weight in terms of metal on the basis of the catalyst before the treatment with the aqueous alkaline solution and the calcination treatment. ### Claim 8 (depends on 6, 7) The process according to claim 6 or 7, wherein at least one compound selected from alkali metal compounds, alkaline earth metal compounds, and rare earth metal compounds is further supported on the support. ### Claim 9 (depends on 8) The process according to claim 8, wherein the supported amount of at least one compound selected from alkali metal compounds, alkaline earth metal compounds, and rare earth metal compounds is from 0.01 to 3% by weight in terms of oxide on the basis of the catalyst before the treatment with the aqueous alkaline solution and the calcination treatment. ### Claim 10 (depends on 8) The process for producing the catalyst according to claim 8, wherein said at least one compound selected from alkali metal compounds, alkaline earth metal compounds, and rare earth metal compounds is a sodium compound. ### Claim 11 (depends on 6) The process according to claim 6, wherein the ratio of the manganese oxide is from 10 to 70% by weight on the basis of the catalyst before the treatment with the aqueous alkaline solution and the calcination treatment. ### Claim 12 (depends on 6) A process for producing hydrocarbons, which comprises bringing a mixed gas containing hydrogen and carbon monoxide into contact with the catalyst obtained by the production process according to claim 6. ### Claim 13 (depends on 1) A process for producing hydrocarbons by the Fischer-Tropsch reaction, which process comprises contacting syngas under Fischer-Tropsch reaction condition with the catalyst of claim 1 for a time sufficient to produce said hydrocarbons. ### Claim 14 (depends on 13) The process of claim 13, wherein the syngas contains hydrogen and carbon monoxide as main components at a partial pressure ratio of hydrogen/carbon monoxide of 0.6 to 2.7, and the reaction is conducted at 200 to 350° C.