Chemistry: fischer-tropsch processes; or purification or recover – Group viii metal containing catalyst utilized for the... – Iron containing catalyst
Patent
1999-04-21
2000-12-05
Richter, Johann
Chemistry: fischer-tropsch processes; or purification or recover
Group viii metal containing catalyst utilized for the...
Iron containing catalyst
518703, 518704, 518705, 518706, 585752, 208950, C07C 2700, C07C 402
Patent
active
061568090
ABSTRACT:
A Fischer-Tropsch process is provided for synthesizing hydrocarbons, involving multiple Fischer-Tropsch reactor stages (110) arranged in series, and characterized by very low carbon monoxide conversion per Fischer-Tropsch reactor stage (110) and intermediate removal of water between reactor stages (110). In one embodiment, the system utilizes an iron-based catalyst and balances the molar H.sub.2 /CO feed ratio in the synthesis gas (108) with the overall H.sub.2 /CO consumption ratio across all of the Fischer-Tropsch reactor stages (110). In a preferred embodiment, carbon dioxide is recycled from the last in series of the Fischer-Tropsch reactor stages (110) to the synthesis gas generator (106). The system may advantageously utilize a gaseous hydrocarbon feed (102), such as obtained from natural gas, as feed for producing the synthesis gas (108).
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Ajoy Raje et al, Fuel (1997), 76 (3), 273-280, Aug. 1997.
Clark Glen L.
Walker David G.
Parsa J.
Reema International Corp.
Richter Johann
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