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J. Cent. South Univ. (2018) 25: 526-533 DOI: https://doi.org/10.1007/s11771-018-3757-0 Preparation of α-calcium sulfate hemihydrate whiskers with high aspect ratios in presence of a minor amount... Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: In order to produce α-calcium sulfate hemihydrate (α-CaSO4·0.5H2O) whiskers with high aspect......
of Materials, 2007, 53: 57-77. [16] HAMDONA S K, ALHADAD U A. Crystallization of calcium sulfate dihydrate in the presence of some metal ions[J]. International Journal of Mineral Processing, 2007, 299: 146-151... is related with calcium sulphate and iron precipitation. In the residues calcium content is essentially the same, but the sulfur content evidently increases and gypsum is found, calcium and iron......
Trans. Nonferrous Met. Soc. China 26(2016) 2230-2237 Synthesis of phosphate-embedded calcium alginate beads for Pb(II) and Cd(II) sorption and immobilization in aqueous solutions Yun-yan WANG1,2, Wen... calcium alginate beads were successfully synthesized based on sodium alginate, calcium dihydrogen phosphate and sodium hydrogen carbonate. Scanning electron microscopy, Fourier transformed infrared......
Removal of SO42-, uranium and other heavy metal ions from simulated solution by sulfate reducing bacteria WANG Qing-liang(王清良)1, 2, DING De-xin(丁德馨)2, HU E-ming(胡鄂明)2, YU RUN-lan... and results in the groundwater contamination. The effects of pH values of the simulated solution on the reduction of SO42- and the removal of uranium and other heavy metal ions by sulfate reducing bacteria(SRB......
Thermodynamic analysis on sodium carbonate decomposition of calcium molybdenum XIA Wen-tang(夏文堂), ZHAO Zhong-wei(赵中伟), LI Hong-gui(李洪桂) School of Metallurgical Science and Engineering, Central...: calcium molybdenum(CaMoO4); sodium carbonate; decomposition; thermodynamic analysis; concentration logarithm diagram ......
Trans. Nonferrous Met. Soc. China 26(2016) 865-873 Recovery of cobalt and nickel in the presence of magnesium and calcium from sulfate solutions by Versatic 10 and mixtures of Versatic 10 and Cyanex... and stripping characteristics of Versatic 10 and its mixtures with Cyanex 301 were investigated for the recovery of cobalt and nickel from sulfate solutions containing magnesium and calcium. The optimum......
氯化锰溶液的净化工艺李军旗1,张国才1,毛小浩1,刘亮1,段丽1(1.贵州省贵阳市贵州大学材料与冶金学院)摘 要:研究以工业废盐酸浸出低品位菱锰矿制得的氯化锰溶液净化工艺,主要包括除重金属和除钙,镁两部分,探讨金属锰粉去除重金属的净化效果以及用草酸和硫酸锰搭配使用去除钙和镁的新工艺.结果表明,氯化锰溶液采用金属锰粉作为重金属净化剂除杂效果较好,使用草酸和硫酸锰去除钙和镁杂质,不但实现了较好的除钙和除镁效果,而且得到了纯度和价值较高的副产品草酸钙,产品质量最终也达到了HG-T3816-2006标准.......
Trans. Nonferrous Met. Soc. China 27(2017) 1878-1887 Behavior of calcium oxalate in sodium aluminate solutions Gui-hua LIU, Wen-bo DONG, Tian-gui QI, Qiu-sheng ZHOU, Zhi-hong PENG, Xiao-bin LI School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 24 December 2015; accepted 30 December 2016 Abstract: The stability of calcium oxalate is critical......
)06-0965-06 Treatment of chromium wastewater by immobilized sulfate-reducing bacteria-containing activated sludge CHAI Li-yuan, TANG Ning, MIN Xiao-bo, ZHUANG Ming-long, LONG Teng-fa (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: The immobilized sulfate reducing bacteria (SRB)-containing activated sludge beads were prepared using......
Treatment of simulated wastewater from in situ ching uranium mining byzerovalent iron and sulfate ducing bacteria YI Zheng-ji(易正戟)1, 2, LIAN Bin(连 宾)1, YANG Ying-qun(杨颖群)2, ZOU Jian-ling(邹建陵)2 1...) and sulfate reducing bacteria (SRB) can function synergistically and accelerate pollutant removal. Batch experiments suggest that combining ZVI with SRB can enhance the removal of U(Ⅵ) synergistically......
