Johnson Matthey Inc.

Adel Fay Neale

John Leonello Casci

Alejandro Martin Antonini

Richard John Mercer

Elizabeth Margaret Holt

A method for preparing a silica-modified catalyst support is described including:

Catalysts supports

A method of preparing a catalyst support is described comprising washing a precipitated metal oxide material with water and/or an aqueous solution of acid and/or base such that contaminant levels in said precipitated metal oxide are reduced. The method may be applied to precipitated alumina materials to reduce contaminants selected from sulphur, chlorine, Group 1A and Group 2A metals. The catalyst supports may be used to prepare catalysts for the Fischer-Tropsch synthesis of hydrocarbons.

Process for preparing catalyst supports having reduced levels of contaminant

A method of preparing a catalyst support is described comprising washing a precipitated metal oxide material with water and/or an aqueous solution of acid and/or base such that contaminant levels in said precipitated metal oxide are reduced. The method may be applied to precipitated alumina materials to reduce contaminants selected from sulphur, chlorine, Group 1 A and Group 2A metals. The catalyst supports may be used to prepare catalysts for the Fischer-Tropsch synthesis of hydrocarbons.

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Middlesbrough, United Kingdom

Adel Fay Neale