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Removal of arsenic from waste waters of the lead glass industry

Entfernung von Arsen aus Abwässern der Bleiglasindustrie
 
: Hutter, F.; Kaiser, A.; Kappel, J.; Schmidt, H.

Waal, K.J.A. de:
Environmental Technology '87
Dordrecht: Nijhoff Publishers, 1987
ISBN: 90-247-3575-0
pp.303-314 : Abb.,Tab.,Lit.
European Conference on Environmental Technology <2, 1987, Amsterdam>
English
Conference Paper
Fraunhofer ISC ()
arsenic removal; glass industry; grinding wastewater; wastewater treatment

Abstract
A new technology was developed to remove arsenic from waste waters of the lead glass grinding process. The method is based on the well known precipitation of arsenic with iron (III) ions. It allows the residual amount of arsenic to be kept at or even below 0.1 mg/l, also when used in combination with state-of-the-art lead removal techniques. The additional costs are low compared to those of the usual water recycling process with lead removal technologies. The process does not create any secondary environmental problems. (ISC)

: http://publica.fraunhofer.de/documents/PX-31722.html