Upflow drying of regenerated ethylene oxide catalysts

Details Upflow drying of regenerated ethylene oxide catalysts Upflow drying of regenerated ethylene oxide catalysts

1982-06-28

1984-01-10

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

34 22, 502 34, 549534, B01J 2396, C07D30110

Patent

active

044254393

ABSTRACT:
The performance of silver-based catalyst used for the direct oxidation of ethylene to ethylene oxide is improved by regeneration in which from 1 to 1,000 parts per million of a regenerate is added to the catalyst in solution and the solvent is removed by drying the catalyst with a upflow of inert gas through the catalyst at ambient temperature and pressure.

REFERENCES:
patent: 4186106 (1980-01-01), Rebsdat et al.

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