Activation of noble metal catalysts using fluorohalocarbons or f

Details Activation of noble metal catalysts using fluorohalocarbons or f Activation of noble metal catalysts using fluorohalocarbons or f

1990-09-20

1992-03-10

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Inorganic carbon containing

502 36, 502150, 502185, 502230, B01J 2112, B01J 3130, B01J 2113, B01J 2118

Patent

active

050949888

ABSTRACT:
This invention provides a process for the regeneration and/or activation of a noble catalyst comprising contacting said catalyst with an atmosphere comprising a fluorohalocarbon and/or a fluorohydrocarbon of the formula, C.sub.n H.sub.m F.sub.p X.sub.q, wherein X is chlorine and/or bromine; n is an integer from 1 to 6; m is an integer from 0 to 6, provided that m can be no more than the total n in the compound; p and q are integers from 1-13 when the compound is acyclic and integers from 1-11 when the compound is cyclic, provided that the fluorohalocarbon and/or fluorohalohydrocarbon always contains at least one chlorine or bromine atom and provided that m+p+q=2n+2 when the compound is acyclic and that m+p+q=2n when the compound is cyclic, at a temperature in excess of 200.degree. C.

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Franck et al., "Progress in Catalist Deactivation", ed. by Figueiredo Martinus Nishoff, The Hague--1982, p. 386ff.

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