High surface area, thermally stabilized titania automotive catal

Details High surface area, thermally stabilized titania automotive catal High surface area, thermally stabilized titania automotive catal

1997-03-10

1999-07-13

Lewis, Michael

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

4232132, 502351, 502355, 502439, B01J 2104, B01J 2106, C01B 2100

Patent

active

059222948

ABSTRACT:
This invention is a sulfur-resistant, high surface area and temperature stabilized anatase crystal form of a mixed-oxide of titania and alumina comprising at least 40% molar amount titania. The mixed-oxide is made by co-hydrolysis of a mixture of the alkoxides of titanium and aluminum. The mixed oxide is useful as a catalyst support for treating exhaust gases generated by a diesel or gasoline internal combustion engine of automotive vehicles. The catalyst support may contain catalytic materials like precious metals.

REFERENCES:
patent: 3873469 (1975-03-01), Foster et al.

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