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咪唑类离子液体用于处理油田污水的研究

Keywords: 离子液体,油田污水,去除率

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Abstract:

采用油浴法合成了疏水性咪唑类离子液体[omim]PF6。研究了这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值对萃取效果的影响。实验结果表明,萃取15min就可以达到平衡。污水COD的去除率随pH值的增大而减小,同时对再生离子液体处理油田污水的效果进行了探讨,离子液体的循环使用次数对处理污水的效果影响不大。

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