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Preliminary Study on Removal of Phenol in Coking Wastewater by Emulsion Liquid Membrane

Authors： JIAO Xiaoshuai, WANG Li, YAN Bingchuan, YIN Jingchao

Units： 1 School of Safety and Environmental Engineering, Shandong University of Science and Technology, QingDao 266590, China; 2 School of Chemical and Biological Engineering, Shandong University of Science and Technology, QingDao 266590, China

KeyWords： Emulsion film；phenol；stability；Removal rate

ClassificationCode：X523

year,volume(issue):pagination： 2020,40(4):119-125

Abstract：

The emulsion liquid membrane method was used to remove phenol from coking wastewater. An emulsion liquid membrane system was established with tributyl phosphate (TBP) as the carrier, Span-80 as the surfactant, kerosene as the film solvent, and NaOH solution as the internal phase. First, the infrared spectrum analysis method was used to determine the infrared spectrum of TBP-supported phenol. Based on the change of the wave number shift of the corresponding functional group, it was concluded that TBP was hydrogen-bonded with phenols. Liquid film stability experiments show that when the surfactant concentration is 5%, the internal oil ratio is 1:1, the milking time is 30min, and the milking speed is 2000r/min, a more stable emulsion film can be obtained; separation experiment The results show that when the surfactant concentration is 5%, the stirring speed is 300r/min, the oil ratio is 1:1, the NaOH solution concentration is 0.5mol/L, the separation time is 30min, the carrier concentration is 0.2mol/L, the milk When the water ratio is 1/3, the mobility of phenol can reach more than 95%.

Funds：

国家自然科学基金项目（21276146）

AuthorIntro：

第一作者简介：焦潇帅（1994-），男，山东滨州，硕士研究生，研究方向：环境监测与评价，751012795@qq.com 通讯作者简介：王力（1962-），男，博士，教授，研究方向环境与矿物材料， wanglisdust@126.com

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