Chemistry: fischer-tropsch processes; or purification or recover – With preliminary reaction to form hydrogen or a carbon oxide – Gaseous oxygen utilized in the preliminary reaction
Patent
1986-02-24
1987-03-17
Mars, Howard T.
Chemistry: fischer-tropsch processes; or purification or recover
With preliminary reaction to form hydrogen or a carbon oxide
Gaseous oxygen utilized in the preliminary reaction
518705, C07G 2706
Patent
active
046508147
ABSTRACT:
There is provided a process for producing a hydrocarbon product from a feed gas by passing at least a portion of a feed gas stream comprising hydrogen and carbon monoxide to a first separation zone and physically separating the feed gas stream, as for example by use of a membrane, into a first hydrogen stream wherein the ratio of hydrogen to carbon monoxide is greater in the feed gas stream and thereafter passing the first hydrogen stream to a product reaction zone to form a mixed product stream, which in turn undergoes physical separation to form a second hydrogen stream for selective recycle to the product reaction zone and a product stream including a hydrocarbon product such as methanol or methane.
REFERENCES:
patent: 4130403 (1978-12-01), Cooley et al.
patent: 4180553 (1979-12-01), Null et al.
patent: 4181675 (1980-01-01), Makin et al.
patent: 4264338 (1981-04-01), Null
Cornelius et al., "Methanol and Electrical Power from U.S. Coals Using Lurgi Gasification," a paper presented at Coal Technology, 1982, Dec. 7-9, 1982.
Burmaster et al., "Increased Methanol Production Using PRISM.RTM. Separators," paper presented at National AICHE Meeting, Mar. 27-31, 1983.
Tart et al., "Methanation Key to SNG Success," Hydrocarbon Processing, Apr. 1981, pp. 114-118.
Van Gelder, "Hydrogen Recovery from Ammonia Plant Purge Gas Via PRISM.RTM. Separators," paper presented at Technical Conference on Ammonia Fertilization Technology, Peking, China, Mar. 13-28, 1982.
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