Simulation of coupled flowing-reaction-deformation with mass transfer in heap leaching processes

WU Ai-xiang; LIU Jin-zhi; TANG Ling-yan

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Simulation of coupled flowing-reaction-deformation with mass transfer in heap leaching processes

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摘要

Governing equations for a fully coupled flowing-reaction-deformation behavior with mass transfer in heap leaching are developed. The model equations are solved using an explicit finite difference method under the conditions of invariable application rate and constant hydraulic head. The distribution of the degree of the saturation, as well as the distributions of the concentration of the reagent and the solute is given. A cubic relationship between the mineral recovery and the leaching duration is obtained based on the numerical results. The relationship can be used to predict the recovery percentage of the valuable metal.

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来源
《应用数学和力学（英文版）》 |2007年第3期|327-335|共9页
作者
WU Ai-xiang; LIU Jin-zhi; TANG Ling-yan;
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作者单位

School of Civil and Environment Engineering University of Science and Technology Beijing Beijing 100083 P.R.China;

School of Mathematical Sciences and Computing Technology Central South University Changsha 410075 Hunan Province P.R.China;

Department of Mathematics and System Science National University of Defense Technology Changsha 410078 Hunan Province P.R.China;

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原文格式 PDF
正文语种 chi
中图分类力学;
关键词
heap leaching; porosity evolution model; saturation degree; mass transfer; numerical solution;

机译：堆浸;孔隙度演化模型饱和度传质数值解;

Simulation of coupled flowing-reaction-deformation with mass transfer in heap leaching processes

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