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Trans. Nonferrous Met. Soc. China 27(2017) 1404-1410 Leaching of blended copper slag in microwave oven M. Deniz TURAN1, Z. Abidin SARI1, Jan D. MILLER2 1. Department of Metallurgical and Materials... 2016 Abstract: Leaching of blended slag (BS) was investigated in a microwave oven using hydrogen peroxide and acetic acid. The BS was a mixture of converter and flash furnace slag containing 51......
J. Cent. South Univ. (2020) 27: 1186-1196 DOI: https://doi.org/10.1007/s11771-020-4359-1 Sulfidation roasting of zinc leaching residue with pyrite for recovery of zinc and iron MIN Xiao-bo(闵小波)1, 2... Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Zinc leaching residue (ZLR) contains high content of valuable metals such as zinc and iron. However, zinc and iron mainly......
Trans. Nonferrous Met. Soc. China 23(2013) 1480-1488 Technological mineralogy and environmental activity of zinc leaching residue from zinc hydrometallurgical process Mi LI, Bing PENG, Li-yuan CHAI..., structural and morphological properties of zinc leaching residue were examined by the combination of various detection means such as AAS, XRF, XRD, spectrometry, SEM-EDS, TG-DSC, XPS and FTIR......
_____________________________________________________________________________________________________ Abstract: A new technology for microwave pretreatment of spent catalyst on Zn extraction by HCl leaching... extraction was investigated and the mechanism of microwave pretreatment for spent catalyst was analyzed. The results show that microwave pretreatment can greatly enhance the leaching rate of Zn. The Zn......
of leaching time on the removal efficiency of Tl 图3表明,常温下,Tl的迁移较为缓慢,随着浸出体系温度升高,Tl的活性增强,迁移速率加快,缩短了到达浸出平衡的时间.试验结果表明,矿样在酸性条件下加热浸出,只有一小部分Tl可迁移至酸性溶液中,Tl去除率不高于17.9%,可以认为,直接酸浸难以达到较好的脱Tl效果. 2.2 次氯酸钠氧化-酸浸脱Tl 浸出体系...度50℃,矿浆浓度20%的条件下,以及酸式浸出时,在浸出体系H2SO4用量12%,浸出矿浆浓度25%,浸出温度40 ℃的试验条件下,考查浸出体系搅拌速率和浸出时间对Tl去除率的影响,结果如图9所示. 图9 搅拌速率和浸出时间对Tl去除率的影响 Fig. 9 Effect of stirring speed and leaching time on removal......
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键词:拜耳法;浸出;机械活化;浸出率 中图分类号:TF813 文献标志码:A 文章编号:1672-7207(2010)04-1246-05 Alkali leaching... to treat bauxite was transplanted to treat zinc oxide ores. So, this process can be regarded as "zinc Bayer process". And a new method for alkaline leaching of refractory hemimorphite by mechanical......
从酸浸渣中综合回收金银铁铅的试验研究薛元昕1,薛光2(1.山东省烟台市烟台职业学院2.中国人民武装警察部队 黄金第七支队)摘 要:对从酸浸渣中综合回收金银铁铅进行了试验研究.试验结果表明,采用试验确定的工艺方法,不但可回收酸浸渣中铁铅,还可提高金银的氰化浸出率,分别可达98%和70%以上,能获得较好的经济效益和社会效益.关键词:酸浸渣; 浸铁; 浸铅; 氰化浸出; 金; 银......
:1672-7207(2020)12-3309-12 Occurrence characteristics and leaching toxicity evaluation of residues from zinc sulfide oxygen-pressure leaching process CHEN Yongming1, 2, DAI Jie1, 2, HU Fangyuan1, 2, LI Yun1... Utilization of Refractory Nonferrous Metals Resources, Central South University, Changsha 410083, China) Abstract: Zinc leaching residues(ZLR) produced from zinc sulfide oxygen-pressure leaching process were......
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