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電鍍是金屬（或非金屬）的表面處理工藝，是通過(guò)化學(xué)或電化學(xué)作用在金屬（或非金屬）制件表面另一種金屬膜層，從而改變制件表面屬性的一種加工工藝。電鍍廢水一般分為四類(lèi)即：①混合廢水，②含氰化物，③含鉻廢水，④其他重金屬?gòu)U水。電鍍廢水的處理方法分為：1.化學(xué)沉淀法、2.氧化還原法、3.溶劑萃取分離法、4.吸附法、5.膜分離技術(shù)法、6.離子交換處理法、7.生物處理法等。
Electroplating is a metal (or non-metal) surface treatment technology,by chemical or electrochemical action in metal (or non-metal) another kind of metal film surface layer,to change the surface properties of a kind of processing technology.Electroplating wastewater generally fall into four categories: (1) mixing wastewater, (2) containing cyanide, (3) wastewater containing chromium, (4)and other heavy metal waste water.Electroplating wastewater treatment methods are divided into: 1. The chemical precipitation, (2) REDOX process, (3) solvent extraction separation, 4. Adsorption, 5. Membrane separation technology, 6. Ion exchange process, 7. Biological treatment method, etc.
