US 8,071,655 B2 · Cobalt-based catalyst for fischer-tropsch synthesis

Abstract

A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MxM′(1−x)Al2O4/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel structure of formula MAl2O4/Al2O3.SiO2, said support being calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850° C. and 900° C., and b) an active phase deposited on said support, which contains one or more group VIII metals, selected from among cobalt, nickel, ruthenium or iron. Said catalyst is used in a fixed bed or suspended in a three-phase reactor for hydrocarbon synthesis from a CO, H2 mixture.

Claims32

Dependent claims

A catalyst comprising:

a support comprising a mixed spinel structure of formula MxM′(1−x),Al2O4/Al2O3.SiO2 or a simple spinel structure of formula MAl2O4/Al2O3.SiO2, wherein M and M′ are distinct metals each selected among:
magnesium, copper, cobalt, nickel, tin, zinc, lithium, calcium, cesium and sodium, the value of index x ranging between 0 and 1 with the values of 0 and 1 being excluded, and Al2O3 SiO2 designating a silica-alumina, wherein the silica-alumina is homogeneous on a micrometric scale, said support having been calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850° C. and 900° C., and
an active phase deposited on said support, which contains one or more group VIII metals, selected among cobalt, nickel, ruthenium and iron.

Dependencies are inferred from the claim text.

Cobalt-based catalyst for fischer-tropsch synthesis

Life of this patent

Cobalt-based catalyst for fischer-tropsch synthesis

Life of this patent

Abstract

Claims32