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在假定辉铜矿、黄铁矿生物氧化反应步骤和反应产热一定的情况下,基于反应热的计算及热力学基本理论,建立生物堆浸过程热平衡方程,研究堆浸过程反应产热、喷淋液流速率和充气气流速率对堆中温度变化及分布的影响.仿真结果显示;堆中温度的分布及变化与喷淋液流速率(Gl)、气流速率(Ga)直接相关,且与Ga/Gl有密切关系;若喷淋液流速率Gl过大,堆中热量积聚于堆的底部;若气流速度过大,则热量通过对流上升到堆的顶部;若两种流速过大均会使热量通过底部和顶部的蒸发而损失,确定合理的Ga/Gl是实现堆中温度理想分布的途径;当Ga/Gl为2/3时,堆中温度分布较好.

参考文献

[1] M. B. Mooiman;K. C. Sole;D. J. Kinneberg .Challenging the traditional hydrometallurgy curriculum-an industry perspective[J].Hydrometallurgy,2005(1/2):80-88.
[2] J.A. Brierley;C.L. Brierley .Present and future commercial applications of biohydrometallurgy[J].Hydrometallurgy,2001(2/3):233-239.
[3] Henry L. Ehrlich .Past, present and future of biohydrometallurgy[J].Hydrometallurgy,2001(2/3):127-134.
[4] A. Akcil .Potential bioleaching developments towards commercial reality: Turkish metal mining's future[J].Minerals Engineering,2004(3):477-480.
[5] C.L. Brierley .Bacterial succession in bioheap leaching[J].Hydrometallurgy,2001(2/3):249-255.
[6] H.M. Lizama .A kinetic description of percolation bioleaching[J].Minerals Engineering,2004(1):23-32.
[7] Gonzalo A. Padilla;Luis A. Cisternas;Jessica Y. Cueto .On the optimization of heap leaching[J].Minerals Engineering,2008(9):673-678.
[8] 李宏煦,苍大强,邱冠周,吴爱祥.溶液电位及堆结构影响次生硫化铜矿生物堆浸的动力学[J].中南大学学报(自然科学版),2006(06):1087-1093.
[9] 李宏煦,苍大强,陈景河,邱冠周.生物因素对次生硫化铜矿堆浸过程动力学的影响[J].中国有色金属学报,2007(02):331-335.
[10] 李宏煦,王淀佐,陈景河,阮仁满.细菌浸矿作用分析[J].有色金属,2003(03):68-71,79.
[11] 李宏煦,王淀佐.生物冶金中的微生物及其作用[J].有色金属,2003(02):58-63.
[12] 李宏煦,董清海,苍大强,王淀佐.高温浸矿菌sulfolobus的生长及浸矿性能[J].北京科技大学学报,2007(01):20-24.
[13] 李宏煦,王淀佐,陈景河,阮仁满.细菌浸矿作用分析[J].有色金属,2003(03):68-71,79.
[14] M. Sidborn;J. Casas;J. Martinez .Two-dimensional dynamic model of a copper sulphide ore bed[J].Hydrometallurgy,2003(1/2):67-74.
[15] 李宏煦,陈景河,阮仁满,王淀佐.福建紫金矿业股份有限公司硫化铜矿生物堆浸过程[J].有色金属,2004(04):66-69.
[16] 李宏煦,王淀佐,邱冠周,胡岳华.Growth kinetics of Thiobacillus ferrooxidans in bioelectrochemical cell[J].中南工业大学学报(英文版),2004(01):36-40.
[17] M.N. Gatti;R.H. Milocco;A. Giaveno .Modeling the bacterial oxidation of ferrous iron with Acidithiobacillus ferrooxidans using kriging interpolation[J].Hydrometallurgy,2003(1/2):89-96.
[18] 李宏煦 .硫化铜矿生物堆浸过程的动力学仿真与优化研究[D].北京有色金属研究总院,2004.
[19] Mario E. Mellado;Luis A. Cisternas;Edelmira D. Galvez .An analytical model approach to heap leaching[J].Hydrometallurgy,2009(1/2):33-38.
[20] E. Cariaga;F. Concha;M. Sepulveda .Convergence of a MFE-FV method for two phase flow with applications to heap leaching of copper ores[J].Computer Methods in Applied Mechanics and Engineering,2007(25/28):2541-2554.
[21] DAVID G .Dixon analysis of heat conservation during copper sulphide heap leaching[J].Hydrometallurgy,2000,58:27-41.
[22] S. M. Mousavi;A. Jafari;S. Yaghmaei .Computer simulation of fluid motion in a porous bed using a volume of fluid method: Application in heap leaching[J].Minerals Engineering,2006(10):1077-1083.
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