混凝 coagulation 向胶状浑浊液中投加电解质，凝聚水中胶状物质，使之和水分开混凝剂有硫酸铝，明矾，聚合氯化铝，硫酸亚铁，三氯化铁等含油废水，染色废水，煤气站废水，洗毛废水等 Cic to colloidal turbidity fluid and electrolyte, the condensed water gel material, make the sum of the separate water coagulant aluminum sulfate, alum, polyaluminium chloride, ferrous sulfate, ferric chloride and other oily wastewater, dyeing wastewater, gas station wastewater, wool washing wastewater, etc 中和 neutralization 酸碱中和，pH达中性 Acid base neutralization, pH neutral 石灰，石灰石，白云石等中和酸性废水，CO2中和碱性废水硫酸厂废水用石灰中和，印染废水等 Lime, limestone, dolomite and other neutralization acid wastewater, CO2 neutralization of alkaline wastewater sulfuric acid plant wastewater with lime neutralization, printing and dyeing wastewater etc 氧化还原 REDOX 投加氧化(或还原)剂，将废水中物质氧化(或还原)为无害物质氧化剂有空气(O2)，漂白粉，氯气，臭氧等 The oxidation (or reduction) of oxidation (or reduction) of substances in the waste water is oxidized (or reduced) as a harmless oxidant with air (O2), bleaching powder, chlorine gas, ozone, etc 含酚，氰化物，硫铬，汞废水，印染，医院废水等 Contains phenol, cyanide, sulphur chromium, mercury wastewater, printing and dyeing, hospital waste water, etc 电解 electrolytic 在废水中插入电极板，通电后，废水中带电离子变为中性原子电源，电极板等 In the waste water, the electrodes are inserted into the electrode plate, and the charged ions in the waste water become neutral atomic power supply and the electrode plate 含铬含氰(电镀)废水，毛纺废水 Chromium containing cyanide (electroplating) wastewater, wool spinning wastewater 萃取 extraction 将不溶于水的溶剂投入废水中，使废水中的溶质溶于此溶剂中，然后利用溶剂与水的相对密度差，将溶剂分离出来 Dissolute the solvent in the waste water, dissolve the solute in the waste water, and then use the relative density of the solvent and water to separate the solvent 萃取剂：醋酸丁酯，苯，N—503等设备有脉冲筛板塔，离心萃取机等。 Extraction agent: butyl acetate, benzene, n-503, etc., such as pulse sieve tray, centrifugal extractor, etc.