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Removal of Cu2+ from Water Using Liquid‐Liquid Microchannel Extraction
Chemical Engineering & Technology ( IF 2.418 ) Pub Date : 2020-02-17 , DOI: 10.1002/ceat.201900168
Hui Liu; Shuang Dai; Jun Li; Rui Ma; Yan Cao; Gang Wang; Sridhar Komarneni; Jianhong Luo

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.
更新日期:2020-02-18

 

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