Amorphous alloy catalysts for decomposition of flons
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United States of America Patent
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Jun 15, 1993
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N/A
app pub date -
Apr 16, 1992
filing date -
Feb 28, 1990
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Abstract
Highly active amorphous alloy catalysts for use in decomposing of flons into hydrofluoric acid, hydrochloric acid and carbon dioxide by the reaction of flons with water, consist of at least one element selected from the group of Ni and Co, at least one element selected from the group of Nb, Ta, Ti and Zr, which are effective for the formation of the amorphous structure by coexisting with at least one element selected from the group of Ni and Co, and at least one element selected from the group of Ru, Rh, Pd, Ir and Pt, which are necessary for the high catalytic activity. The alloys are activated by immersion into hydrofluoric acids.
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