A new waste-water treatment by quaternary ammonium ions which precipitate hexafluoroarsenate has been developed. Together with existing equipment for neutralisation, this will facilitate compliance with the limits on concentrations of arsenic and antimony in waste-waters imposed in Germany in 1990.
Origin
Fraunhofer-Institut Fur Silicatforschung, Wurzburg
Journal Title
Glastech Ber 1991 64 4 109-114
Sector
Domestic glass
Class
D 117