Gold Science and Technology
img

Wechat

Adv. Search
Online Submission Peer Review Office Work

Gold Science and Technology ›› 2012, Vol. 20 ›› Issue (5): 71-73.

Previous Articles     Next Articles

Experimental Study on Cyanide Leaching Efficiency Influenced by Fineness of Grinding and Secondary Grinding and Leaching

BAI Pengcheng1，HE Ye1，CHEN Fangfang2，LI Keke2   

  1. 1.Hunan Central South Gold Smelting Limited Company，Pingjiang   414507，Hunan，China；
    2.Key Laboratory Green Process and Engineering，National Engineering Laboratory for Hydrometallurgical Cleaner ProductionTechnology，Institute of Process and Engineering，Chinese Academy of Sciences，Beijing，   100190，China
  • Received:2012-04-25 Revised:2012-07-26 Online:2012-10-29 Published:2013-04-03

PDF (PC)

575

Abstract:

Using a kind of acid slag from a gold smelting industry as raw material，cyanide leaching efficiency influenced by fineness of grinding and secondary grinding and leaching was investigated in order to get the optimum cyanide leaching process and leaching conditions.Five parallel trials were conducted.The results showed that the best leaching efficiency would be obtained under grinding fineness of -0.0450 mm above 90%.Good leaching efficiency could be over 72% under primary grinding and leaching，and it would not be obviously improved under secondary grinding and leaching.In summary，optimum leaching effect could be obtained under grinding fineness of -0.0450 mm above 90% and primary grinding and leaching in the process of leaching.

Key words: Grinding fineness, Secondary grinding and leaching, Gold leaching efficiency

CLC Number: 

  • P617.9

［1］ 冯金敏，毕凤琳，冯玉华.氰化细磨工艺研究与应用［J］.矿业工程，2011，9（3）：35-36.
［2］ 杨玮，张玮琦.增加二段磨矿作业的试验研究与生产实践［J］.黄金，2003，24（11）：40-42.
［3］ 黄兆才，刘新刚，李吉刚.一浸氰渣再磨提高金浸出率的生产实践［J］.黄金，2000，21（4）：36-39.
［4］ 魏莉，屈战龙，朴慧京.微波焙烧预处理难浸金矿物［J］.过程工程学报，2009，9（增）：56-60.
［5］ 张祉倩，刘升明，李超，等.高海拔地区难处理金精矿的细菌氧化预处理及氰化浸金［J］.过程工程学报，2012，12（1）：49-53.
［6］ 范斌.高锰酸钾对金氰化浸出率的影响［J］.铀矿冶，2000，19（2）：135-137.
［7］ 张培科.老王寨金矿提金工艺研究［D］.昆明：昆明理工大学，2002.
［8］ 任洪胜，邢洪波，刘新艳，等.辽宁三道沟含砷金精矿细菌氧化—氰化提金试验研究［J］.黄金科学技术，2012，20（1）：78-81.
［9］ 张文轩，钟宏，符剑刚.难浸金矿石预处理工艺研究现状［J］.稀有金属与硬质合金，2008，36（3）：62-66.
［10］ 玉涵.某低品位金矿浸出工艺优化试验研究［D］.昆明：昆明理工大学，2010.
［11］ 王宝胜，张振平，刘万志，等.改善含高铜、铅金精矿氰化浸出指标的研究［J］.黄金科学技术，2008，16（5）：44-45.
[1] XU Xiaoyang. Review of Research on Leaching Process of Carbonaceous Refractory Gold Ore [J]. Gold Science and Technology, 2013, 21(1): 82-88.
[2] YANG Jian. Experimental Research of Recover Valuable Metals from Low Grade of Flotation Cyanide Residue [J]. Gold Science and Technology, 2012, 20(5): 81-87.
[3] QI Chuanduo，PAI Hongkun，YANG Shoubin，XIE Minxiong，WANG Hu，QIN Xiangwei，ZHAO Zaichao，WANG Jianping. Research on the Wet Process about Further Extraction of Gold and Silver from Copper Smelting Slag [J]. Gold Science and Technology, 2012, 20(5): 88-91.
[4] WANG Liang，LEI Shibin，JIA Liqiong. The Application of Fluid Inclusion in the Study of Mineral Deposit [J]. J4, 2011, 19(4): 25-30.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!

©2018 Gold Science and Technology　

Telephone：0931-8277791　

E-mail: hjkx@lzb.ac.cn Postcode：730000　

Powered by Beijing Magtech Co. Ltd

陇ICP备17001318号-1