络合萃取法处理含酚废水的研究

Huan LIU,Can CHEN,De-yue QIU,Yan ZHANG,Lin MA,Yue-jun QING,Xing-li GAN

Fine Chemical Intermediates（2016）

Cited 1|Views8

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Abstract

以磷酸三丁酯(TBP)作萃取剂,正辛醇作稀释剂,络合萃取处理邻异丙氧苯酚(OP)废水中的酚,考察了pH、稀释剂配比、油/水相比和反应温度等对OP废水中挥发酚萃取效率的影响,并对酚进行了反萃取分离回收.实验结果表明:在pH=3、温度为30℃时,用含5％TBP的正辛醇萃取,萃取率达93％;再用10％的氢氧化钠溶液于45℃,按体积比1∶1反萃取,酚回收率达90％,B/C由0.10提高到0.35.

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