Resource recycling device for nickel-containing heavy metal wastewater
A waste water recovery and heavy metal technology, applied in water pollutants, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of slow ion exchange rate, low concentration of concentrated solution, and easy clogging of reverse osmosis membrane, etc., to achieve Strong ability to adapt to changes in water volume, increase the concentration of nickel ions, and reduce the concentration of nickel ions
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[0018] The present invention is further described in conjunction with the following examples.
[0019] The present invention works by combining figure 1 , the original electroplating nickel-containing wastewater produced by the electroplating factory enters the first water storage tank 1, and the first water storage tank 1 also contains the reflux water containing higher nickel ion concentration produced by the concentrated water outlet F of the electrodialyzer 10, the first water storage tank 1 The waste water in the water storage tank 1 enters the electrolyzer through the first sewage pump 2, and the waste water is electrolyzed in the electrolyzer applying direct current. The tank enters the ultrafiltration filter reactor 5 through the second sewage pump 4, and the electrolytic waste liquid entering the ultrafiltration filter reactor 5 is divided into two kinds of water quality after ultrafiltration, and the particle size of the material contained in the outlet A is generall...
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