METHOD OF TREATING CHROMIUM-CONTAINING CATALYSTS Russian patent published in 1997 - IPC

Abstract RU 2080919 C1

FIELD: processes of conversion, dehydrogenation, combustion and polymerization. SUBSTANCE: method males it possible to decontaminate catalysts from Cr6+ ions by treating catalysts with solutions of carboxylic acids which are reducing agents with concentration of 20-100 g.l at 20-100 C for 15-120 min. Activity of catalysts treated as described above does not become lower. EFFECT: improved properties. 9 cl

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RU 2 080 919 C1

Authors

Tsyrul'Nikov P.G.

Balashov V.A.

Dates

1997-06-10Published

1995-02-28Filed