Chemistry: fischer-tropsch processes; or purification or recover – Group viii metal containing catalyst utilized for the...
Reexamination Certificate
2005-12-20
2005-12-20
Parsa, J. (Department: 1621)
Chemistry: fischer-tropsch processes; or purification or recover
Group viii metal containing catalyst utilized for the...
C518S721000, C502S263000, C502S303000, C502S439000
Reexamination Certificate
active
06977273
ABSTRACT:
A process is described for synthesizing hydrocarbons from a mixture comprising carbon monoxide and hydrogen in the presence of a catalyst comprising at least one group VIII metal supported on a silica-alumina prepared by co-precipitating and calcining at a temperature in the range from about 500° C. to about 1200° C. for at least 6 hours so that said silica-alumina has a specific surface area of less than 260 m2/g. Said catalyst is used in a fixed bed or in suspension in a liquid phase of a three-phase reactor.
REFERENCES:
patent: 4497903 (1985-02-01), Kibby et al.
patent: 6465530 (2002-10-01), Roy-Auberger et al.
patent: 2 804 689 (2001-08-01), None
patent: WO99/42214 (1999-08-01), None
Courty Philippe
Revel Renaud
Roy-Auberger Magalie
Zennaro Roberto
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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