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.
Type:
Grant
Filed:
July 28, 1980
Date of Patent:
July 6, 1982
Assignee:
Handelskontor Ludbert Graf zu Munster GmbH & Co.