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Role of ore mineralogy in optimizing conditions for bioleaching low-grade complex sulphide ores P. A. OLUBAMBI1, 2, S. NDLOVU1, J. H. POTGIETER1, J. O. BORODE2 1. School of Chemical...; Abstract: The role that ore mineralogy plays in understanding and optimizing the conditions favouring the bioleaching of complex sulphide ore containing......
performance of ultrafine silver powder WEI Li-li1, XU Sheng-ming1, 2, XU Gang1, CHEN Song-zhe1, LI Lin-yan1 (1. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China; 2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: The preparation of ultrafine silver powder was investigated by reducing Ag(NH3)2......
J. Cent. South Univ. (2020) 27: 3567-3580 DOI: https://doi.org/10.1007/s11771-020-4569-6 Recovery of lead and silver from zinc acid-leaching residue via a sulfation roasting and oxygen-rich..., XU Zhi-feng. Recovery of lead and silver from zinc acid-leaching residue via a sulfation roasting and oxygen-rich chlorination leaching method [J]. Journal of Central South University, 2020, 27(12......
thiosulphate for gold extraction from a con- centrate[J]. Hydrometallurgy, 2002, 65(1): 37-42. [12] CELIK H. Extraction of gold and silver from a Turkish gold ore through thiourea leaching[J]. Minerals... Thermodynamics and technology of extracting gold from low-grade gold ore in system of NH4Cl-NH3-H2O JU Shao-hua(巨少华), TANG Mo-tang(唐谟堂), YANG Sheng-hai(杨声海) School of Metallurgical Science......
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某复杂含多金属硫化矿金矿石综合回收试验研究王素1,谢建宏1(1.陕西省西安市西安建筑科技大学材料科学与工程学院)摘 要:对河南某复杂含多金属硫化矿金矿石进行了选矿试验研究,采用部分混合浮选-铅铜分离浮选-尾矿浮选硫工艺流程,获得含金银的铜精矿,铅精矿和硫精矿;最后的浮选尾矿通过重选获得钨精矿.试验采用的工艺流程综合回收了金,银,铜,铅,硫,钨,选矿指标理想.关键词:浮选; 金; 银; 铜; 铅; 硫; 钨; 回收率......
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河南某多金属氧化铜矿石浮选试验研究李建政1,邵淑云1,刘海革1(1.河南省三门峡市灵宝市金源矿业有限责任公司)摘 要:根据矿石的性质,采用硫化,高级黄药捕收法,在试验确定的浮选流程及工艺条件下,高效回收了金,银,铜.铜精矿中的铜,银,金品位分别为13.60%,683.42 g/t,2.56 g/t;回收率分别为92.42%,90.84%,89.06%.关键词:多金属氧化铜矿石; 硫化; 戊黄药; 浮选; 铜回收率......
提高龙头山金矿低品位矿石回收率试验研究文杨思1,梁艺中2,陈剑锋3(1.广西壮族自治区南宁市广西黄金公司2.广西龙头山金矿3.广西地质矿产测试研究中心)摘 要:在原生产工艺基础上,对氰化尾矿进行浮选,对浮选金精矿进行回收金,银,铜等探索试验.试验取得了金的总回收率93.41%,银64.87%的较好指标,同时综合回收了铜,硫,铁,以实现了资源的充分回收与利用.关键词:低品位金矿石; 氰化; 浮选; 回收率......
Controlled synthesis of silver nanoplates and nanoparticles by reducing silver nitrate with hydroxylamine hydrochlorideZhi-Peng Cheng,Xiao-Zhong Chu,Xiao-Qing Wu,Ji-Ming Xu,Hui Zhong,Jing-Zhou YinJiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Huaiyin Normal University摘 要:An easy and effective method of silver nanoplate synthesis......