Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1995-06-15
1996-11-05
Mc Farlane, Anthony
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502305, 502306, 502317, B01J 2326
Patent
active
055717705
ABSTRACT:
There are a catalyst for fluorination production of 1,1,1-trifluoro-2,2-dichloroethane comprises chromium, one compound selected from the group consisting of Mg and Ca and at least one metal component selected from the group consisting of Zn, Ce and Ni, wherein the molar ratio of Cr to Mg or Ca ranges from 1:1 to 1:32 and the molar ratio Cr to the metal component is not more than 1:0.5, and method for preparing the same comprising the steps of; producing an admixture of a composition comprising chromium, one compound selected from the group consisting of magnesium fluoride and calcium fluoride and at least one metal compound selected from a group consisting of cerium fluoride, zinc fluoride and nickel fluoride with water and refluxing the admixture in methanol or ethanol.
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patent: 3978145 (1976-08-01), Knaak
patent: 3992325 (1976-11-01), Knaak
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patent: 5281568 (1994-01-01), Scott et al.
patent: 5449656 (1995-09-01), Scott et al.
Chung Moon Jo
Kim Hoon Sik
Lee Byung Gwon
Lee Hyun Joo
Ghyka Alexander G.
Korea Institute of Science and Technology
Mc Farlane Anthony
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