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《中国化学工程学报(英文版)》 2008-05
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Modeling and Simulation of Enargite Bioleaching

SONG Jian 1 ,LIN Jianqun 1,GAO Ling 2 ,LIN Jianqiang 1 and QU Yinbo 1 1State Key Laboratory of Microbial Technology,Shandong University,Jinan 250100,China 2 School of Information Science&Engineering,Shandong Normal University,Jinan 250014,China  
A mathematical model for enargite bioleaching at 70°C by Sulfolobus BC in shake-flasks has been con- structed.The model included(1)the indirect leaching by Fe3+and Fe3+regeneration by suspended Sulfolobus,and (2)the direct leaching by the attached Sulfolobus.The model parameters were optimized using genetic algorithm (GA).Simulations of the ferric leaching and bioleaching processes were done using this model.The dynamic changes of the concentrations of Cu2+,As3+,As5+,Fe3+and/or Fe2+,as well as ferric-arsenate precipitation were ac- curately predicted.
【Fund】: the State Key Development Program for Basic Research of China(2004CB619202);; the National NaturalScience Foundation of China(50174034 30170026).
【CateGory Index】: TD952
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