Cadmium has been under considerable pressure in recent years on the grounds of its toxicity and consequent environmental unacceptability. The applications of cadmium, especially as an electrodeposited coating, are reviewed and the possibility of alternatives to cyanide as a process anion and cadmium as a deposit considered. It is emphasised that, with the choice of good effluent treatment methods, total withdrawal of cadmium should not be a rational option.
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References
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‘Effluent treatment in electroplating plant in the USA’, Metal Finishing Association, Birmingham, UK, 1991.
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GABED. R.: Proc. 3rd Conf. on ‘Advances in coatings and surface engineering’, Newcastle, UK, May1992, Newcastle Polytechnic.
