Amorphous alloy catalysts for decomposition of flons

Details Amorphous alloy catalysts for decomposition of flons Amorphous alloy catalysts for decomposition of flons

1992-04-16

1993-06-15

Straub, Gary P.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

423DIG13, 423466, 4232451, 423240R, C01B 724

Patent

active

052201082

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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patent: 4418046 (1983-11-01), Izumo et al.
patent: 4770949 (1988-09-01), Hashimoto et al.
patent: 4937215 (1990-06-01), Murakawa et al.

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