公开(公告)号：US3642619A

公开(公告)日：1972-02-15

申请号：US3642619D

申请日：1970-08-31

Applicant: CALGON CORP

Inventor： SASSO RONALD ALFRED LO ,  RAUSCH EMERSON G

IPC: C02F1/52 ,  C02F1/54 ,  C02C3/00

CPC classification number: C02F1/5236 ,  C02F1/54

Abstract: Waste sludges are conditioned for dewatering by intermixing with the waste sludge prior to dewatering an admixture of a watersoluble high-molecular weight nonionic polyacrylamide and a water-soluble salt containing ferric ions.

Abstract translation: 在将水溶性高分子量非离子聚丙烯酰胺和含有铁离子的水溶性盐的混合物脱水之前，通过与废污泥混合，将污泥调节为脱水。