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Article ID: 1003-6326(2005)06-1401-06 Preparation of colloidal Sb2O5 from arsenic-alkali residue CHAI Li-yuan(柴立元), WANG Jian-qiang(王建强), WANG Yun-yan(王云燕), ZHENG Jun-chao(郑俊超) (School... and Sb2O5 obtained from arsenic-alkali residue by hydrometallurgical process, with hydrogen peroxide as oxidant and phosphoric acid as stabilizer. Effects of main factors were investigated. The theories......
such as V(V) and Cr(VI) in the leaching residue inevitably pose a great threat to the environment [11]. Therefore, a new cleaner production process for the efficient utilization of high-chromium vanadium...Trans. Nonferrous Met. Soc. China 25(2015) 1325-1333 Behaviors of vanadium and chromium in coal-based direct reduction of high-chromium vanadium-bearing titanomagnetite concentrates followed......
ARTICLE J. Cent. South Univ. (2019) 26: 323-330 DOI: https://doi.org/10.1007/s11771-019-4004-z Salt ions accumulation and distribution characteristics of pioneer plant species at a bauxite residue... Germany, part of Springer Nature 2019 Abstract: Bauxite residue disposal areas (BRDAs) are physically degraded and hostile to plant growth. Nevertheless, natural plant colonization was observed......
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sodium roasting process has a number of disadvantages including low vanadium and chromium extraction rate, generation of waste water and toxic residue. Recently, a new vanadium production process....ysxb.1004.0609.2021-37747 WANG Shao-na, Lü Ye-qing, LIU Biao, et al. Assessment for cleaner production of vanadium and chromium co-extraction from vanadium slag by sub-molten salt method[J]. The Chinese Journal......
chromium contamination from chromite ore processing residue[J]. Science of the Total Environment, 2006, 364(1/3): 32-44. [5] Moon D H, Wazne M, Jagupilla S C. Particle size and pH effects on remediation... issues with chromite ore processing residue (COPR): Cr6+ reduction and heave[J]. Journal of Hazardous Materials, 2007, 143(3): 629-635. [8] Cheung K H, GU Ji-dong. Mechanism of hexavalent chromium......
Trans. Nonferrous Met. Soc. China 30(2020) 1397-1405 Preparation of hexagonal and amorphous chromium oxyhydroxides by facile hydrolysis of KxCrOy Shu-ting LIANG1,2, Hong-ling ZHANG3,4, Hong-bin XU3,4... the hydrolysis of a cubic K3CrO4. It is a facile and rapid method to synthesize pure-phase chromium oxyhydroxide via the above hydrolysis. Key words: hydrolysis process; CrOOH; chromium oxide; activated KxCrOy......
Optimization of brine leaching of metals from hydrometallurgical residue GUO Zhao-hui(郭朝晖), PAN Feng-kai(潘凤开), XIAO Xi-yuan(肖细元), ZHANG Long(张 珑), JIANG Kai-qi(蒋凯琦) Institute of Environmental... residue via brine leaching. The results show that temperature of leaching solution has a significant effect on the recovery of Cu, In and Zn, while H2SO4 concentration has an obvious influence......
ARTICLE J. Cent. South Univ. (2019) 26: 404-409 DOI: https://doi.org/10.1007/s11771-019-4012-z Preliminary assessment of revegetation potential through ryegrass growing on bauxite residue LYU Fei(吕... University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Bauxite residue (BR), a by-product of the industrial production of alumina, has raised environmental concerns......
Chromium accumulation, microorganism population and enzyme activities in soils around chromium-containing slag heap of steel alloy factory HUANG Shun-hong(黄顺红), PENG Bing(彭 兵...; Abstract: The environmental risk of chromium pollution is pronounced in soils adjacent to chromate industry......