Process for binding waste liquor or sludge

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

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106 97, 106109, 106118, 106900, 405128, B09B 100, G21F 900, C04B 1100, C04B 734

Patent

active

043381340

ABSTRACT:
An improved process for binding waste liquor or sludge comprising adding a hydraulic mortar to waste liquor or sludge to form a mixture and allowing the mixture to set, the improvement consisting of subjecting the mixture of hydraulic mortar and waste liquor or sludge to a milling operation before the mixture is allowed to set.

REFERENCES:
patent: 3852084 (1974-12-01), Webster
patent: 4015997 (1977-04-01), Selmeczi et al.
patent: 4016240 (1977-04-01), Hinsche et al.
patent: 4118243 (1978-10-01), Sandesara
patent: 4132558 (1979-01-01), Uchikawa et al.
patent: 4208217 (1980-06-01), Anderson et al.

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