Effect on Coagulation

A panel discussion presented on May 31, 1949, at the Annual Conference, Chicago, by John T. Cross, Prin. Filtration Chemist, South Dist. Filtration Plant, Chicago; William U. Gallaher, Plant Supt., Water Dept., Apple ton, Wis.; Joseph G. Filicky, Industrial С hem. Sales Div., West Virginia Pulp & Paper Co., Tyrone, Pa.; and John W. Hassler, Director of Research, Industrial Chem. Sales Div., West Virginia Pulp & Paper Co., Tyrone, Pa.