Treatment of arsine removal catalysts

Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By contact with solid sorbent

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55 74, 502 34, 502 55, 585820, C07C 712, B01J 3804, B01J 2382, B01D 5302

Patent

active

049622722

ABSTRACT:
Supported metal oxide catalysts such as lead oxide catalysts are rejuvenated after absorbing arsenic compounds from hydrocarbon steams (such as propylene) by heating them in an inert, oxygen-free atmosphere, optionally with moisture present.

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