黃銅礦是一種重要的銅資源,但由于黃銅礦晶格能較高,溶解動(dòng)力學(xué)較低,導(dǎo)致其在濕法冶金過程中浸出效率不理想。為了解決這一問題進(jìn)行了一系列新技術(shù)的研究,包括對高效菌株的選育,抑制在礦物表面鈍化膜的生成,以及控制溶液氧化還原電位在最佳區(qū)間內(nèi)。目前,對前兩個(gè)技術(shù)的研究工作已有大量的總結(jié),而對于控制氧化還原電位這一過程的工作總結(jié)較少。本文通過研究近年來的相關(guān)工作,介紹了銅濕法冶金過程中溶液氧化還原電位的定義、作用以及對氧化還原電位的控制等相關(guān)內(nèi)容。 

【文章頁數(shù)】：16 頁

【文章目錄】：
1 Introduction
2 Definition of redox potential
3 Role of redox potential in hydrometallurgy of chalcopyrite
    3.1 Thermodynamic calculation
    3.2 Promoting formation of intermediate products
    3.3 Inhibiting formation of passivation layer
4 Maintenance of redox potential
    4.1 Using an electro-bioreactor
    4.2 Limiting oxygen concentration
    4.3 Adding different ions
    4.4 Adding chemical reagents like potassium permanganate or H2O2
    4.5 Adding ferric reductant
    4.6 Adding iron removal agent
5 Conclusions and prospect


【參考文獻(xiàn)】：
期刊論文
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[4]Adsorption and leaching of chalcopyrite by Sulfolobus metallicus YN24 cultured in the distinct energy sources[J]. Yu-ting Liang,Shan Zhu,Jun Wang,Chen-bing Ai,Wen-qing Qin.  International Journal of Minerals Metallurgy and Materials. 2015(06)
[5]Control of redox potential by oxygen limitation in selective bioleaching of chalcocite and pyrite[J]. Biao Wu,Jian-Kang Wen,Bo-Wei Chen,Guo-Cheng Yao,Dian-Zuo Wang.  Rare Metals. 2014(05)
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本文編號(hào)：3683868