Leaching Effects of Metal from Electroplating Sludge under Phosphate Participation in Hydrochloric Acid Medium
作者： Ruijing Su , Bo Liang , Jie Guan
DOI: 10.1016/J.PROENV.2016.02.048
关键词: Copper 、 Leaching (metallurgy) 、 Phosphate 、 Cadmium 、 Nuclear chemistry 、 Electroplating 、 Metallurgy 、 Chemistry 、 Hydrochloric acid 、 Phosphoric acid 、 Chromium
摘要: Abstract In recent years, with the rapid development of electroplating industry, sludge has reached much attention. Electroplating contains heavy metals such as nickel, copper, cadmium and chromium. To avoid releasing metal into environment, removal from industry is highly desired. this study, effects leaching under phosphate participation in hydrochloric acid medium were measured. The amount acid, phosphoric concentration, temperature, liquid to solid ratio along time investigated measured using inductively coupled plasma-atomic emission spectrometry (ICP-AES). Using optimized conditions 1.5 mol/L ration 10:1 temperature 40 C, actual was treated. rate copper high 80.6% optimal conditions.
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