Disposal of heavy metal containing sludge wastes

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106DIG3, C04B 702

Patent

active

041135040

ABSTRACT:
The heavy metal content of sludge waste is fixed in a cementitious solid product by mixing the waste sludge with fixing ingredients comprising vermiculite and cement.

REFERENCES:
patent: 2542992 (1951-02-01), Clapper
patent: 3947283 (1976-03-01), Uchikawa et al.
patent: 3947284 (1976-03-01), Kitsugi et al.

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