Chemistry: fischer-tropsch processes; or purification or recover – Plural zones each having a fischer-tropsch reaction
Reexamination Certificate
2005-07-26
2005-07-26
Parsa, J. (Department: 1621)
Chemistry: fischer-tropsch processes; or purification or recover
Plural zones each having a fischer-tropsch reaction
C518S705000
Reexamination Certificate
active
06921778
ABSTRACT:
The invention relates to a process for converting a synthesis gas into liquid hydrocarbons used in at least two reactors that are arranged in series and that contain a catalytic suspension of at least one solid catalyst in suspension in a liquid phase, in which said reactors are essentially perfectly mixed, the last reactor is at least in part fed by at least a portion of at least one of the gaseous fractions that are collected at the outlet of at least one of the other reactors, at least one reactor is fed by a flow of catalytic suspension that is obtained directly from another reactor, and at least one flow of catalytic suspension that is obtained from a reactor is at least in part separated so as to obtain a liquid product that is essentially free of catalyst and a catalytic suspension that is high in catalyst, which is recycled.
REFERENCES:
patent: 4279830 (1981-07-01), Haag et al.
patent: 5348982 (1994-09-01), Herbolzheimer et al.
patent: 6156809 (2000-12-01), Clark et al.
patent: 631682 (1949-11-01), None
patent: 01/72928 (2001-10-01), None
Bonneau Reynald
Minkkinen Ari
Rojey Alexandre
AGIP Petroli S.p.A.
ENI S.p.A.
Institut Francais du Pe'trole
Millen White Zelano & Branigan P.C.
Parsa J.
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