Treatment of catalyst fines-oil mixtures

Details Treatment of catalyst fines-oil mixtures Treatment of catalyst fines-oil mixtures

1988-11-28

1989-12-26

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208153, 208158, 208159, 208161, 208177, 208113, 208121, 208283, 208284, 208298, C10G 1902, C10G 3500

Patent

active

048896187

ABSTRACT:
A process for separating finely divided petroleum cracking catlyst from a mixture of the finely divided catalyst particles with a high boiling refractory hydrocarbon oil by intimately contracting said mixture with a concentrated aqueous solution of a basic alkali metal compound at a temperature above 170.degree. F., the quantity of aqueous solution employed being substantially greater than the quantity of said mixture with which it is contracted.

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patent: 4810360 (1986-03-01), Haddad et al.

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