Regeneration of alkene disproportionation catalyst

Details Regeneration of alkene disproportionation catalyst Regeneration of alkene disproportionation catalyst

1976-10-26

1978-02-07

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252411R, 260683D, B01J 2120, B01J 2392, C07C 362

Patent

active

040726290

ABSTRACT:
Alkene disproportionation catalyst which has become deactivated by the deposition of organic material is regenerated by first contacting the catalyst with low molecular weight alkenes at an elevated temperature to partially remove a portion of the deposited organic material and then contacting the catalyst with an oxygen containing gas at temperatures below 650.degree. C. in order to remove substantially all of the remaining deposited organic material.

REFERENCES:
patent: 3005781 (1961-10-01), Riordam et al.
patent: 3365513 (1968-01-01), Heckelsberg
patent: 3444262 (1969-05-01), Heckelsberg
patent: 3579602 (1971-05-01), Reusser
patent: 3660507 (1972-05-01), Reusser
patent: 3725496 (1973-04-01), Kobylinski et al.
patent: 3952070 (1976-04-01), Nowak

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