Method for solidifying sludge

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

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106104, 106315, C04B 702, C04B 735

Patent

active

039472833

ABSTRACT:
A sludge having a water/solid high ratio and containing a substance having a harmful influence upon the setting of portland cement is solidified by mixing the sludge with rapid hardening cement containing calcium haloaluminate.

REFERENCES:
patent: 3720609 (1973-03-01), Smith et al.
patent: 3864138 (1975-02-01), Uchikawa et al.
patent: 3864141 (1975-02-01), Uchikawa et al.

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