Process for the production of exhaust gas filters

Details Process for the production of exhaust gas filters Process for the production of exhaust gas filters

1980-02-26

1981-09-01

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2104

Patent

active

042870984

ABSTRACT:
A large scale method is provided for the production of exhaust and industrial gas filters comprising aluminium oxide produced by the decomposition of alumina hydrate deposited on a substrate.
A plurality of substrates are mounted on a stand, immersed in an alkali metal aluminate solution while the stand is subjected to motion through the solution, thereby causing the solution to flow over and through the substrates while alumina hydrate is deposited on them.

REFERENCES:
patent: 3231520 (1966-01-01), Leak et al.
patent: 3362783 (1968-01-01), Leak

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