Process and equipment to reclaim reusable products from edible o

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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554 12, 554 13, 554176, 554177, 554193, 502 80, 210634, C22B 402

Patent

active

055993761

ABSTRACT:
A process for recovering edible oil and bleaching clay from an edible oil-bleaching clay waste stream and for recovering edible oil and nickel catalyst from a hydrogenated edible oil-nickel catalyst-filter aid waste stream; the recovered bleaching clay may be reused directly and the recovered nickel catalyst and filter aid mixture is pelletized for metallurgical nickel recovery.

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patent: 4584140 (1986-04-01), Blewett et al.
patent: 4956125 (1990-09-01), Kawamata et al.

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