离子液体对油田污水处理效果的研究
Applied Chemical Industry(2010)
Abstract
研究了[bmim]PF6,[hmimm]PF6和[omim]PF6三种离子液体对油田污水的萃取。考察了萃取时间、离子液体加量、pH值及咪唑基团上取代烷基链的长度对萃取效果的影响。实验结果表明,萃取20 min,萃取比为5∶1时就可以达到平衡;污水的透光率随pH值的增大而减小;咪唑基团上烷基链越长,萃取效果越好。
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Key words
transmittance,ionic liquids,extraction,simulated oilfield wastewater
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