Jutta Christine Wandrey
Sedimentation of solids is accelerated and complete, resulting in a high-quality effluent, when a 0.1% soln. of equal parts of poly(dimethyl-diallyl-ammonium chloride) cationic flocculant and a nonionic or anionic polyacrylamide is used at a rate of 0.25-4 ...
(VEB Braunkohlenkombinat Senftenberg, Ger. Dem. Rep.).1985