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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 4    No. 2    June 1994

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EQUILIBRIUM MODELS AND PARAMETERS OPTIMIZATION FOR EXTRACTION PROCESS OF BISMUTH AND ANTIMONY WITH N1923
Han Wenli; Chui Bingyi

Department of Chemical Engineering of Tsinghua Unirersity; Beijing 100084

Abstract:The solvent extraction process for removal of bismuth and antin'iony from copper electrolyteby primary amine N1923-additive(iso-octanol)-kerosene has been studied.The extraction e-quilibrium models are created on the basis of experimental equilibrium data.An obJective func-tion for optimization is created which can satisfy different demands.A variety of optimized tech-nological parameters combination of the process are determined and one of thern was veified withlaboratory extraction cascade experiments.It indicates lhat the experimental values arc nearlyconsistent with the calculated values.

 

Key words: solvent extraction N1923 bismuth and antimony copper electrolyte equilibri-um model parameters optimization

ISSN 1672-7029
CN 43-1423/U

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