Method for treating catalyst used for catalytic reactions of hyd

Details Method for treating catalyst used for catalytic reactions of hyd Method for treating catalyst used for catalytic reactions of hyd

1975-04-30

1977-06-21

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

134 25R, 208113, 208213, 208216, 208305, 252412, B01J 2120, B01J 2394

Patent

active

040310310

ABSTRACT:
A method of removing a catalyst used for catalytic reactions of hydrocarbons from a reaction system for exchange or otherwise comprising treating the catalyst with water or a mineral oil in the presence of a surface active substance or both a surface active substance and a chelating agent to wet the catalyst. This method ensures a safe and simple removal of the catalyst without involving dust scattering, spontaneous combustion or generation of sulfur dioxide gas.

REFERENCES:
patent: 2515062 (1950-07-01), Smith
patent: 3117936 (1964-01-01), Michalko
patent: 3168462 (1965-02-01), Erickson
patent: 3213033 (1965-10-01), Hindin et al.
patent: 3838066 (1974-09-01), Lovell

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