Process for treating a sludge or drainage containing chromium (V

Details Process for treating a sludge or drainage containing chromium (V Process for treating a sludge or drainage containing chromium (V

1976-08-10

1979-01-02

Rutledge, L. Dewayne

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106 85, 106 89, 106315, C04B 732

Patent

active

041325583

ABSTRACT:
This invention relates to a process for treating a sludge or a drainage containing chromium (VI) compounds with a calcium haloaluminate bearing rapid hardening cement in a short period of time. The solidified material developes high strength and has shown a extremely Cr.sup.6+ fixation.

REFERENCES:
patent: 3782992 (1974-01-01), Uchikawa et al.
patent: 3819389 (1974-06-01), Uchikawa et al.
patent: 3864138 (1975-02-01), Uchikawa et al.
patent: 3867163 (1975-02-01), Uchikawa et al.
patent: 3947283 (1976-03-01), Uchikawa et al.

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