Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...
Patent
1990-11-20
1992-03-03
Konopka, Paul E.
Catalyst, solid sorbent, or support therefor: product or process
Regenerating or rehabilitating catalyst or sorbent
Treating with a liquid or treating in a liquid phase,...
423502, 423507, 502 26, 502 27, B01J 2392, B01J 2120, C01B 704
Patent
active
050932926
ABSTRACT:
The catalytic activity of a chromium oxide-based catalyst used in the production of chlorine by oxidation of hydrogen chloride gas with an oxygen-containing gas is regenerated by impregnating it with an aqueous solution of chromic acid anhydride or of a chromium salt and then calcining the catalyst at a temperature not higher than 800.degree. C.
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Hihara Tooru
Kawahara Kazunori
Kitagawa Jun
Takenaka Shinji
Yamada Kunihiro
Konopka Paul E.
Mitsui Toatsu Chemicals Incorporated
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