Recycling water used for cooling the glass surface and cutting tool during grinding can cut costs. A physico-chemical process, which uses a proprietary bentonite-based powdered flocculant has been found to be effective in removing contaminants including lead, antimony and resenic, in addition to particulates.
Origin
Cetco Europe, Uk & Colloid Abwassertechnik, Germany
Journal Title
Glass 73 1 1996 12
Sector
General
Class
G 1387a