US 2009/0270249 A1 · METHOD FOR FORMING A CATALYST CARRIER

Abstract

A method of forming a carrier material suited to use in Fischer-Tropsch reactions includes forming a dispersion of first and second hydrated alumina materials in a liquid dispersant, such as an acid solution. The first alumina can be derived from an alkali aluminate, such as is formed in the Bayer reaction. The second hydrated alumina can be derived from high purity aluminum, such as via conversion to an alkoxide. The dispersion is spray dried to form particles which are heat treated to form a carrier material having low levels of impurities.

Claims19

Dependent claims

A method of forming a carrier material comprising:

forming a dispersion of a first hydrated alumina and a second hydrated alumina, different from the first hydrated alumina, in a liquid dispersant by dispersing said first hydrated alumina in said liquid dispersant to form a first dispersions milling the first hydrated alumina to reduce its particle size and adding the second hydrated alumina to the first dispersion;
spray drying the dispersion to form particles;
and
heating the spray dried particles to form the carrier material.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

12/433,013Filed 30 Apr 2009

Priority

12 Mar 2004

Published

29 Oct 2009

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

B01J 37/0045
Powdering: drying a slurry, e.g. spray drying
B01J 21/04
Boron or aluminium; Oxides or hydroxides thereof: alumina
C01F 7/441
Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water: by calcination
B01J 23/00
Catalysts comprising metals or metal oxides or hydroxides, not provided for in

Method for forming a catalyst carrier

Life of this patent

Method for forming a catalyst carrier

Life of this patent

Abstract

Claims19