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Mobile Treatment of Waste Water Containing Heavy Metal by Ion Exchange Method

ER Li-zhu,QIN Xiao-dan,ZHANG Hui-yuan (TEDA Sewage Treatment Plant,Tianjin 300457,China)  
An electroplating waste water treatment center equiped with ion exchange facilitates including mobile waste water treatment units and a waste water treatment plant was established.The center can provide service of treatment of industrial waste water containing heavy metals for enterprises in such a way that waste water is treated first in situ and then treated in the waste water treatment plant.Thus a combined mutually complementary mode of decentralized treatment and centralized treatment for industrial waste water can be realized.The result of practical engineering run of the center show that quality of water treated by the mobile waste water treatment units in situ is good, and the whole center is running reliably and steadily.Advantage,economic benefit,environmental benefit and social benefit of the ion exchange method in treating large discharge of industrial waste water are notable.
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