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A Study on the Treatment of Phenols in Oil Field Mimic Waste Water with Ionic Liquids

Author: WangDa
Tutor: FanHongFu
School: Daqing Petroleum Institute
Course: Oil and Gas Well Engineering
Keywords: Extraction Ionic liquids Chlorophenol pH value Temperature Partition Coefficient
CLC: X703
Type: Master's thesis
Year: 2008
Downloads: 88
Quote: 0
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Abstract


Oilfield wastewater after conventional treatment still left a large number of soluble , slightly soluble organic compounds , phenols content of sewage after conventional treatment after the third largest organic sulfides , and highly toxic , our classes focus on To remove the harmful substances. In this thesis, synthesis of the ionic liquid 1 - butyl-3- methylimidazolium hexafluoro phosphate ( [ bmim ] PF6 ) , and ionic liquids were characterized . Experimental results show that the characteristic peak of the infrared spectrum of the ionic liquids are obvious, and does not contain impurities of water molecules . On the the simulated oilfield sewage various chlorophenol ionic liquid extraction, the experimental results, the temperature, pH value on the extraction : For ionic liquid 1 - butyl-3- methylimidazolium hexafluorophosphate ( [ bmim ] PF6 ) extraction oilfield wastewater chlorophenol optimal experimental conditions : extraction time 7min, extraction temperature 5 ° C , the pH value of the various chlorophenol original pH value . 1 - ethyl-3 - methylimidazole perfluoroalkyl imide ( [ emim ] Beti ) ionic liquid extraction oilfield wastewater chlorophenol best experimental conditions : extraction time 5 min , extraction temperature 5 ° C, pH value of a variety of - chlorophenol original pH value. And found that when the solution is alkaline , the effect of the ionic liquid extraction chlorophenol decreased , but the solution is acidic extraction effect change ; addition, the effect of the ionic liquid extraction chlorophenol with decreasing temperature and increasing trend . Experimental results show that the effect of the ionic liquid extraction chlorophenol good , most of the removal rate above 97% , it is suitable as the solvent extraction oilfield wastewater chlorophenol .

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Wastewater treatment and utilization
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