abstract |
A PROCESS IS PROVIDED FOR DEWATERING AQUEOUS SUSPENSIONS OF SOLID MATERIALS WHICH COMPRISIES MIXING INTO SUCH A SUSPENSION A WATER-SOLUBLE, CATIONIC POLYMER OF N-VINYL IMIDAZOLE OR SALT THEREOF, THE AMOUNT OF N-VINYL IMIDAZOLE POLYMER EMPLOYED BEING SUFFICIENT TO CONDITION THE SUSPENSION FOR DEWATERING AND SEPARATING WATER FROM THE CONDITIONED SUSPENSION. |