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to flocculate particles in the cyanide tailing suspensions [J]. Miner Eng, 2016, 89: 108–117. [12] SABAH E, CENGIZ I. An evaluation procedure for flocculation of coal preparation plant tailings [J]. Water... J. Cent. South Univ. (2018) 25: 1928-1937 DOI: https://doi.org/10.1007/s11771-018-3883-8 Flocculation of flotation tailings in presence of silicate gel and polymer YIN Zhi-gang(殷志刚)1, 2, Sultan......
extraction and gold recovery from cyanide tailings by cyanide process after reduction roasting and acid leachingZHENG Ya-jie,GONG Chang,SUN Zhao-ming(School of Metallurgy and Environment,Central South University,Changsha 410083)Abstract:The cyanide tailings were treated by reduction roasting and acid leaching. The cyanide tailings were reduced under conditions of reduction temperature 850 ℃,the mass......
dosages for their treatment. MUIR et al [8] reported that the ammoniacal cyanide leaching was an effective system for the recovery of gold from a copper-rich tailings (1.2% Cu, 5 g/t Au). They noted... Telfer tailings containing 1.15% Cu as oxides and sulphides at the expense of excessively high consumption of cyanide (30 kg/t). After ammonia pretreatment of the tailings with 0.3 mol/L NH3 + 0.1 mol......
, Centr)Abstract:The standard lead and zinc concentrate were prepared from cyanide tailings derivatives. By using X system in the atmospheric pressure for oxidize leaching, the influences of leaching...%, respectively, and the recovery rate of elemental sulfur is 99.1%.Key words:cyanide tailings derivatives; oxidation leaching; lead concentrate; zinc concentrate......
cyanide tailings with reduction roasting–water leaching followed by magnetic separation [J]. Journal of Hazardous Materials, 2012, 213-214: 167-174. [8] SUN Yong-sheng, HAN Yue-xin, Gao Peng, WANG Ze...J. Cent. South Univ. (2016) 23: 1899-1905 DOI: 10.1007/s11771-016-3245-3 Magnetizing roast and magnetic separation of iron in rare-earth tailings YANG He(杨合), RONG Yi(荣宜), HAN Chong(韩冲), TANG Rong(唐......
J. Cent. South Univ. Technol. (2011) 18: 1976-1984 DOI: 10.1007/s11771-011-0931-z Artificial neural network modeling of gold dissolution in cyanide media S. Khoshjavan1, M. Mazloumi2, B. Rezai1 1...) modeling. Eighty-five datasets were used to estimate the gold dissolution. Six input parameters, time, solid percentage, P80 of particle, NaCN content in cyanide media, temperature of solution and pH......
. 高铁氰化渣湿法处理的研究进展及工艺开发[J]. 山东冶金, 2010, 32(5): 3-5.ZHANG Ya-li, YU Xian-jin, ZHANG Li-peng. Research progress on hydrometallurgical treatment of cyanide tailings with high iron content and process... cyanide tailings[J]. Nonferrous Metals Engineering & Research, 2013, 34(5): 15-17. [5] 张福元, 张玉华. 氰渣综合利用提取金银的试验研究[J]. 稀有金属材料与工程, 2007, 36(3): 335-338.ZHANG Fu-yuan, ZHANG Yu-hua. Study on the recovery......
of gold cyanide-bearing tailings solutions on wildlife[J]. Environ. Int., 2007, 33(7): 974-984. [4] MUDDER T, BOTZ M. Cyanide and society: A critical review[J]. European Journal of Mineral Processing... research on comprehensive recovery of copper, lead and zinc from low grade cyanide tailings in Jiaodong region[J]. Gold, 2016, 37(2): 68-71. [11] 李正要, 汪 莉, 于艳红, 魏鹏程. 金精矿氰化尾渣铅和铜的回收[J]. 北京科技大学学报, 2009......
Co-intensification of cyanide leaching gold by mercury ions and oxidant LI Qian(李 骞), JIANG Tao(姜 涛), YANG Yong-bin(杨永斌), LI Guang-hui(李光辉), GUO Yu-feng(郭宇峰), QIU Guan-zhou(邱冠周) School... that under low cyanide concentration, gold cyanide process is controlled by CN- transfer, while at higher cyanide concentration, there forms passivation on gold surface. Therefore, chemical oxidation......
