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0.5 mg/L 和80 μg/L 以下,未检出Be 和Cd,出水水质满足<污水综合排放标准>(GB 8978-1996)一级标准.关键词:钨铋钼矿;多金属矿选矿废水;混凝沉淀法;现场试验Coagulation and sedimentation treating wastewater from W containing multi-metal ore dressing processGUO Zhao... and Mo ore; multi-metal ore dressing wastewater; coagulation-sedimentation method; field test......
J. Cent. South Univ. (2017) 24: 335-340 DOI: 10.1007/s11171-017-3435-2 Dissolution kinetics of copper from multi-metal copper alloy roasted in oxygen LU Wei-hong(卢伟红), YIN Zhou-lan(尹周澜), DING Zhi... Abstract: A kinetic study on the sulfuric acid leaching of multi-metal oxide, which is the product of multi-metal copper alloy with iron trioxide roasted in oxygen, was carried out. The effects of leaching......
Magnetizing Roasting Mechanism and Effective Ore Dressing Process for Oolitic Hematite Ore余永富College of Resources and Environment al Engineering,Wuhan University of Technology摘 要:Magnetizing roasting of oolitic hematite ore from western Hubei Province was investigated.The mechanism for reduction roasting of oolitic hematite ore was discussed......
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Institute of Mining and Metallurgy, 2001, 101: 69-75. [7] WU Zhao-qing, PENG Wen-sheng, YING Li-li. Study on treatment and reuse of ore-dressing wastewater for Chenzhou new-star preparation plant [J... related to human life and environment. A lot of water has been consumed and wasted in mining to obtain metal resources. Wastewater discharged from mines takes 1/10 of the total amount of the industrial......
低品位钒矿直接酸浸提钒工艺研究李欣1,王毅1,朱军2(1.西安建筑科技大学 冶金工程学院,陕西西安 7100552.西安建筑科技大学冶金工程学院,西安710055)摘 要:针对提钒工艺现状存在问题,根据物理选矿结果,确定了抛尾富集物酸法直接浸出钒的工艺方法.通过浸出试验,对酸浸提钒阶段各影响因素进行优化.确定了适宜的磨矿粒度,酸度,浸出温度,液固比和浸出时间等工艺条件,钒的浸出率可达到90%以上.关键词:钒矿; 物理选矿; 直接酸浸; 钒浸出率......
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-containing tungsten ore; dressing wastewater; turbidity; COD; heavy metal 选矿废水排放量大,成分复杂,水中重金属离子,固体悬浮物和化学需氧量等超过GB 8978-1996(<污水综合排放标准>),对选矿企业周边环境造成较大的潜在污染[1].开展选矿废水净化处理及重复利用对减轻周边水体污染至关重要.选矿废水处理方法主要有自然降解法,酸碱中和法... serve the discharge standard for the multi-metals dressing wastewater. The results show that the components of PSAFS optimized are w(SiO2)=2.0%, n(Fe+Al)/n(Si)=2:1 and n(Fe)/n(Al)=1:1, respectively......
Zincate mechanism on cast Al-Si alloy in non-cyanide multi-metal zincate solutions HUANG Xiao-mei(黄晓梅), LI Ning(李 宁), LI De-yu(黎德育), JIANG Li-min(蒋丽敏) Department of Applied Chemistry, Harbin... energy of zincate reaction in non-cyanide multi-metal zincate solution is smaller than that in simple zincate solution, and precipitation sequence of all the metals in zincate solution is Cu, Ni, Fe......
Treatment of flotation wastewater using biological activated carbonDONG Ying-bo(董颖博)1, 2, LIN Hai(林海)1, 2, LIU Quan-li(刘泉利)1, HUO Han-xin(霍汉鑫)1(1. School of Civil and Environmental Engineering, University of Science and Technology Beijing,Beijing 100083, China;2. Key Laboratory of the Ministry of Education of China for High-Efficient Mining and Safety of Metal Mines(University of Science......