Steam reactivation of zeolite catalyst used in producing para-di

Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Gas or vapor treating

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502 34, B01J 2938, B01J 3806

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active

050932934

ABSTRACT:
As zeolite L is used as catalyst for the chlorination of benzene, chlorobenzene, ortho-dichlorobenzene, and/or meta-dichlorobenzene, its catalytic activity diminishes. Zeolite L which has been used for such chlorinations may be reactivated by contact with steam.

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