Removal and recovery of heavy metals from wastewaters by supported liquid membranes

Yang, X. J.; MacNaughton, S.; Fane, A. G.
January 2001
Water Science & Technology;2001, Vol. 43 Issue 2, p341
The removal and recovery of Cu, Cr and Zn from plating rinse wastewater using supported liquid membranes (SLM) are investigated. SLMs with specific organic extractants as the liquid membrane carriers in series are able to remove and concentrate heavy metals with very high purity, which is very promising for recycling of heavy metals in the electroplating industry. A technical comparison between the membrane process and the conventional chemical precipitation process was made.


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