Method of converting particles liberated in chemical or physical

Details Method of converting particles liberated in chemical or physical Method of converting particles liberated in chemical or physical

1985-11-15

1988-08-16

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106DIG1, 501155, C04B 0500

Patent

active

047642165

ABSTRACT:
A method of converting particles liberated in chemical or physical processes, such as fly ash, metal processing sludge particles obtained in the preparation of metals or metal compound, or particles of electroplating sludge, are made harmless by preheating these particles to at least 600.degree. C. and then mixing same with a molten slag material, whereafter the mixture is solidified and broken.
Preferably, the particles are preheating to their softening point or are molten.
Noxious products, such as metals, being present in said particles cannot be leached out from the broken solidifed composition.

REFERENCES:
patent: 4015997 (1977-04-01), Selmeczi et al.
patent: 4272293 (1981-06-01), Hooykaas
patent: 4300985 (1981-11-01), Gagneraud
patent: 4404105 (1983-09-01), Rysman de Lockente et al.
patent: 4539121 (1985-09-01), Kapland et al.

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