METHOD OF TREATING MUDDY WATER CONTAINING BENTONITE, AND TREATING AGENT

摘要

PROBLEM TO BE SOLVED: To provide a method capable of efficiently flocculating and settling muddy water containing bentonite, and to provide a treating agent to be used therefor.;SOLUTION: In the method of removing bentonite from the muddy water containing bentonite, a high molecular flocculating agent is added under the presence of (i) a calcium compound, (ii) a phosphate compound and (iii) a carboxyl group-containing hydrophilic high molecular compound and/or the hydrolyzed product.;COPYRIGHT: (C)2002,JPO