Catalysts

Details Catalysts Catalysts

1991-06-06

1993-06-15

Miller, Edward A.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

60219, C02F 100

Patent

active

052201104

ABSTRACT:
Shaped particles, comprising a calcium aluminate cement and at least one oxide of a Group VIII metal M selected from nickel and cobalt, said particles containing 10 to 70% by weight of said Group VIII metal oxide (expressed as the divalent oxide, MO) and having a porosity in the range 25 to 50%, in which at least 30% of the pore volume is in the form of pores of size in the range 15 to 35 nm and less than 40% of the pore volume is in the form of pores of diameter greater than 35 nm. These particles are used to catalytically decompose oxidizing agents including hypohalites.

REFERENCES:
patent: 3120738 (1964-02-01), Webb
patent: 3298182 (1967-01-01), Webb
patent: 3488962 (1970-01-01), McCormick
patent: 3556205 (1971-01-01), Harwood
patent: 3673801 (1972-07-01), Goldberger
patent: 4034061 (1977-07-01), McArthur
patent: 4065543 (1977-12-01), Sare et al.
patent: 4732688 (1988-03-01), Bryan et al.

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