Dehydration catalyst for making ethylenimine

Details Dehydration catalyst for making ethylenimine Dehydration catalyst for making ethylenimine

1980-07-18

1981-11-17

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252443, B01J 2330, B01J 2108

Patent

active

043010369

ABSTRACT:
A dehydration catalyst containing tungsten oxide on a low surface area support and having a silica coating thereon. The catalyst has increased life and is useful for the dehydration of alkanolamines in making alkylenimines, e.g. ethanolamine is dehydrated to ethylenimine.

REFERENCES:
patent: 2382581 (1945-08-01), Ruthruff
patent: 2441966 (1948-05-01), Hale
patent: 2755228 (1956-07-01), Anhorn et al.
patent: 3518206 (1970-06-01), Sowards et al.

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