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Removal of Cu2+ from Water Using Liquid‐Liquid Microchannel Extraction
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2020-02-17 , DOI: 10.1002/ceat.201900168
Hui Liu 1 , Shuang Dai 1 , Jun Li 1 , Rui Ma 1 , Yan Cao 1 , Gang Wang 2 , Sridhar Komarneni 3 , Jianhong Luo 1
Affiliation  

The very good extraction selectivity of Cu2+ from water was demonstrated with a new microchannel equipment, by employing di‐(2‐ethylhexyl)phosphoric acid (D2EHPA) as an extractant and kerosene as a solvent. The effects of different experimental parameters on the extraction efficiency E, the volumetric mass transfer coefficient KLa, and the entrainment were experimentally investigated. The results showed that the extraction efficiency increased with increasing temperature, extractant concentration, phase ratio (organic/aqueous), and pH. The total flow rate, phase ratio, and pH were found to have a great effect on the mass transfer, whereas the temperature and the extractant concentration showed little effect.

中文翻译:

液-液微通道萃取从水中去除Cu2 +

通过使用二(2-乙基己基)磷酸(D2EHPA)作为萃取剂和煤油作为溶剂,通过新型微通道设备证明了Cu 2+从水中的很好的萃取选择性。实验研究了不同实验参数对萃取效率E,体积传质系数K L a和夹带作用的影响。结果表明,萃取效率随温度,萃取剂浓度,相比(有机/水)和pH值的升高而增加。发现总流速,相比和pH对传质有很大影响,而温度和萃取剂浓度几乎没有影响。
更新日期:2020-02-17
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