Selective removal of copper ions from multi‐component aqueous solutions using modified silica impregnated with LIX 84
作者： Jong Sung Kim , Jongheop Yi
DOI: 10.1002/(SICI)1097-4660(200005)75:5<359::AID-JCTB223>3.0.CO;2-M
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摘要: A silica support impregnated with 2-hydroxy-5-nonylacetophenone oxime (LIX 84) was prepared after surface modification by -aminopropyltriethoxysilane. Fixed-bed tests were conducted to investigate the capabilities of adsorbent respect selective removal copper ions from multi-metal solutions. Break-through curves obtained using modified for a solution containing Cu2+, Cd2+, Ni2+, Co2+ and Zn2+, as well an industrial electronics wastewater sample. The adsorption capacities 0.175 0.198 mmolg−1, respectively under conditions used in this study. recovery ratios treated 86 91%, treating 0.1 moldm−3 HNO3. results show that silica, here, has potential value multi-component aqueous solutions multi-metals fixed-bed reactor. © 2000 Society Chemical Industry
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