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of 0.2133 mol/L, H+ concentration of 4.305 mol/L, reaction temperature of 85 °C and reaction time of 5 h; the recovery rate of Se was 97.59%, and that Te reached up to 100% when hydroxylamine hydrochloride dosage was 1.5116 mol/L. Key words: degoldized solution; hydrazine hydrate; hydroxylamine hydrochloride; selenium; tellurium; recovery rate 1 Introduction Copper anode slimes are valuable......
卡尔多炉处理铜阳极泥技术及应用实践涂百乐1,张源1,王爱荣1(1.安徽省铜陵市铜陵有色金属集团股份有限公司稀贵金属分公司)摘 要:介绍了铜陵有色金属集团股份有限公司稀贵金属分公司采用卡尔多炉处理铜阳极泥的工艺技术,主要设备和生产实践,并对工艺改进进行了探讨.实践证明,卡尔多炉处理铜阳极泥火法工艺具有对原料适应性强,设备先进,综合回收率高,生产成本低,环境污染少等优点.关键词:卡尔多炉； 铜阳极泥； 回收率......
微细粒氰化尾矿综合回收试验研究常焕锁1(1.河南省三门峡市灵宝市金源矿业有限责任公司)摘 要:某金精矿氰化尾矿中金,铜,硫等有价元素仍有进一步回收的价值.通过试验确定合理的浮选工艺及条件,获得浮选精矿:金品位20g/t以上,回收率大于45%;铜品位高于8%,回收率85%以上;硫品位高于35%,回收率60%以上.关键词:氰化尾矿； 金； 铜； 硫； 浮选； 回收率......
chromium-containing slag and to selectively recover chromium by using this novel technique. Chromium recovery rate increases with decreasing particle sizes of chromium-containing slag and slagheap height... chromium content in sludge and higher chromium recovery rate than the slag with lager particle size (10-15 mm in diameter). Although slag with small particle size has less sludge, its high chromium......
Recovery of vanadium from black shale LI Cun-xiong(李存兄), WEI Chang(魏 昶), DENG Zhi-gan(邓志敢), LI Min-ting(李旻廷), LI Xing-bin(李兴彬), FAN Gang(樊 刚) College of Metallurgical and Energy Engineering... ____________________________________________________________________________________________ Abstract: The recovery of vanadium from a black shale from Guizhou Province of China was performed using a three-step process, which consists of a leaching step in the H2SO4-HF-NaClO system......
to the thermodynamics analysis results, the verification test is carried out, indicating that the metal grade is 95.56%, the metal recovery rate is 58.47%, and metal content (Pb and Sb) in slag...: jamesonite concentrate; oxygen-enriched direct smelting; slag type; metal recovery rate Foundation item: Project(51474248) supported by the National Natural Science Foundation of China Received date......
Recovery of gallium from phosphorus industry flue XU Ke(许 可), DENG Tong(邓 彤), DAI Yu-jie(戴玉杰), WANG Jing(王 静) (Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China) Abstract: The flue dust generated during electric furnace production of elemental phosphorus was investigated for the recovery of gallium. Then the flue dust was slurried with water......
experimentally. The results show that Freundlich isothermal equation is suitable for describing the behavior of the recovery process, and the apparent first-order adsorption rate constant k at 25 ℃ is about 0.233... A novel recovery technology of trace precious metals from waste water by combining agglomeration and adsorption ZOU Hua-sheng(邹华生), CHU Zhu-qiang(储著强), LIN Gang(林 岗) School of Chemical and Energy......
难浸金矿石的浸出与尾矿再回收试验研究张水旺1,冯勇1,黎清林1(1.贵州省黔西南布依族苗族自治州黔西南金龙黄金矿业有限责任公司)摘 要:通过对难浸金矿石的氰化,浮选试验研究,确定出合理的工艺流程及条件,使难浸金矿石氰化浸出率达到87%以上;对氰化尾矿浮选,使金的氰化,浮选总回收率可达91.93%. 关键词:难浸金矿石； 氰化； 浮选； 金回收率......
membrane area, i.e. the same feed flow rate, increasing the ratio of water and feed flow rates increases the sulphuric acid recovery ratio[12], but R decreases evidently, i.e. sulphuric acid concentration... Sulfuric acid recovery from rare earth sulphate solutions by diffusion dialysis TANG Jian-jun(唐建军)1, ZHOU Kang-gen(周康根)2, ZHANG Qi-xiu(张启修)2 1.School of Construction......
