期刊
SEPARATION SCIENCE AND TECHNOLOGY
卷 50, 期 10, 页码 1523-1531出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2014.978943
关键词
copper(II); extraction kinetics; TFA; LIX 84-I; distribution ratio
资金
- Higher Education Commission of Pakistan (HEC), University of Engineering and Technology (UET) Peshawar
- French National Centre of Scientific Research (CNRS)
- Franco-Chilean Collaboration program ECOS-CONICYT [C10E05]
Batch experiments of copper(II) extraction at equilibrium were carried out in a temperature controlled stirred cell to extract copper(II) with LIX 84-I and 1,1,1-trifluoro-2,4-pentanedione (TFA) diluted in either n-heptane, tetradecane, MIBK, or n-decanol at 298 and 313 K. Extraction efficiency and capacity of copper(II) extraction with acid extractants at equilibrium were measured and analyzed using a theoretical model based on equilibrium extraction kinetics. Experimental and theoretical investigations revealed that TFA and n-decanol are found to be an efficient extractant and diluent, respectively, for copper(II) extraction with high values of extraction capacity.
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