PROCESS FOR IMPROVING THE SEDIMENTATION AND FILTERING PROPERTIES OF WASTE WATERS CONTAINING CLAY MINERALS

摘要

ABSTRACT OF THE DISCLOSUREA process is disclosed for improving thesedimentation and filtering properties of waste watersand/or slurries and muds containing clay minerals. Thewaste waters and/or slurries obtained in varioustechnologies and containing clay minerals and optionallyalso other solid components are treated with compoundscontaining ions having a hydrated ionic diameter of from0.12 to 0.15 nm and a coordination number of 12.