文档介绍：Experimental Study on Using Precipitation Flotation
Process to Treat Electroplating Wastewater
Dai Wencan Sun Shuiyu, Chen Tao
Faculty of Environmental Science and Engineering Faculty of Environmental Science and Engineering
Guangdong University of Technology Guangdong University of Technology
Guangzhou, China Guangzhou, China
daiwencan168@ ******@gdut., chent850421@
Abstract—The removal of heavy metal ions(HMI) contained in modation, removal rate and the utilization of the
the electroplating wastewater by precipitation flotation was valuable metals from recent research [6-9]. There are a lot of
studied. Experimental results show that chromium, copper, research on this method, comprehensive discussion was made
nickel and other heavy metals can be removed efficiently, and all by Greves and Somasundaram[10] in the 70s. Sodium dodecyl
the water quality indexes were up to the first grade of wastewater sulfate was used to treat underground water of the lead-zinc
[11] 2+ 2+ 2+
discharge standard (GB21900-2008) when the dosage of Na2S mine by Dai et al, the ions Cu ,Pb ,Zn was removed
( ) 2+
CNa2S:CMe= and -. The percentage of the essfully. The wastewater contained Cu was treated by
chromium, copper and nickel in the foam product is %, the swirl static micro bubble flotation column, and a 98%
% and %, respectively. Theref