Characteristic of a direct ffiltration system with dual media filters and cationic polyelectrolytes as sole coagulants is the formation off a filtration zone that moves down through the bed. The rate ...

Experiments indicate that direct filtration without sedimentation, when preceded by the use of coagulants and adequate flocculation time, can produce finished water turbidities and particle size ...

Syracuse, NY / ACCESSWIRE / October 28, 2014 / Camfil - the world's leading provider of clean air solutions - has acquired the assets of Edco Sales, Inc., which has represented the Camfil product line ...