Fischer-tropsch process

Details Fischer-tropsch process Fischer-tropsch process

2006-03-07

2006-03-07

Parsa, J. (Department: 1621)

Chemistry: fischer-tropsch processes; or purification or recover

Including regeneration of catalyst

C518S700000, C518S705000, C518S715000

Reexamination Certificate

active

07008968

ABSTRACT:
Process of contacting a gaseous reactant stream comprising synthesis gas at elevated temperature and pressure with a suspension of a particulate Fischer-Tropsch catalyst comprising cobalt in a liquid medium in a reactor system comprising at least one high shear mixing zone and a reactor vessel, by a) contacting the particulate Fischer-Tropsch catalyst with a reducing gas at elevated temperature and pressure outside of the high shear mixing zone(s) and the reactor vessel and subsequently suspending the particulate Fischer-Tropsch catalyst in the liquid medium; b) passing the suspension from step a) through the high shear mixing zone(s) where the gaseous reactant stream comprising synthesis gas is mixed with the suspension; c) discharging a mixture comprising the synthesis gas and the suspension from the high shear mixing zone(s) into the reactor vessel; and d) converting the synthesis gas to liquid hydrocarbons in the reactor vessel to form a product suspension comprising the particulate Fischer-Tropsch catalyst suspended in the liquid medium and liquid hydrocarbons.

REFERENCES:
patent: 0 533 227 (1993-03-01), None
patent: 728 543 (1955-04-01), None
patent: WO 01/38269 (2001-05-01), None

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