Understanding the mechanism of microcrack-enhanced bioleaching of copper - Details

author：

Zhong, Wen (Zhong, Wen.) ^[1] | Zhong, Shuiping (Zhong, Shuiping.) ^[2] | Tang, Ding (Tang, Ding.) ^[3] | Chi, Xiaopeng (Chi, Xiaopeng.) ^[4] | Weng, Wei (Weng, Wei.) ^[5]

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Abstract：

Investigations　on　the　microcrack　distribution　characteristics　and　bioleaching　behaviors　of　particles　were　conducted　to　obtain　better　bioleaching　efficiency　and　deepen　the　mechanism　understanding.　Results　indicate　that　comminution　by　high-pressure　grinding　roll　(HPGR)　is　the　desirable　method　for　obtaining　particles　with　more　abundant　and　wider　microcracks.　Fixing　the　HPGR　pressure　at　4　MPa　results　in　the　highest　bioleaching　efficiency　for　copper　extraction,　namely　86%　for　the　shaking　flask　bioleaching　(particle　size:　©　2023

Keyword：

Bioleaching Copper compounds Crushing Efficiency Extraction Grinding (machining) Microcracks Ore treatment Particle size Particle size analysis Reaction kinetics Sulfur compounds

Community：

[ 1 ] [Zhong, Wen]Zijin School of Geology and Mining, Fuzhou University, Fuzhou; 350108, China
[ 2 ] [Zhong, Shuiping]Zijin School of Geology and Mining, Fuzhou University, Fuzhou; 350108, China
[ 3 ] [Zhong, Shuiping]Fujian Key Laboratory of Green Extraction and High Value Utilization of New Energy Metals, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Zhong, Shuiping]Zijin Mining Group Co. Ltd, Fujian, Shanghang; 364200, China
[ 5 ] [Zhong, Shuiping]State Key Laboratory of Comprehensive Utilization of Low Grade Refractory Gold ores, Fujian, Shanghang; 364200, China
[ 6 ] [Tang, Ding]Zijin Mining Group Co. Ltd, Fujian, Shanghang; 364200, China
[ 7 ] [Tang, Ding]State Key Laboratory of Comprehensive Utilization of Low Grade Refractory Gold ores, Fujian, Shanghang; 364200, China
[ 8 ] [Chi, Xiaopeng]Zijin School of Geology and Mining, Fuzhou University, Fuzhou; 350108, China
[ 9 ] [Chi, Xiaopeng]Fujian Key Laboratory of Green Extraction and High Value Utilization of New Energy Metals, Fuzhou University, Fuzhou; 350108, China
[ 10 ] [Weng, Wei]Zijin School of Geology and Mining, Fuzhou University, Fuzhou; 350108, China
[ 11 ] [Weng, Wei]Fujian Key Laboratory of Green Extraction and High Value Utilization of New Energy Metals, Fuzhou University, Fuzhou; 350108, China

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Related Keywords：

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Source ：

Hydrometallurgy

ISSN： 0304-386X

Year： 2023

Volume： 218

4 . 8

JCR@2023

4 . 8 0 0

JCR@2023

ESI HC Threshold：49

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 4

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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