Process for preparing catalyst supports having reduced levels of contaminant
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United States of America Patent
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Mar 5, 2013
Grant Date -
Nov 10, 2011
app pub date -
Jul 18, 2011
filing date -
Apr 6, 2005
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Abstract
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.
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