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, 23(5): 1015-1022. [32] LV Wei, BAI Chen-guang, LV Xue-wei, HU Kai, LV Xue-ming, XIANG Jun-yi, SONG Bing. Carbothermic reduction of ilmenite concentrate in semi-molten state by adding sodium sulfate... J. Cent. South Univ. (2020) 27: 1678-1690 DOI: https://doi.org/10.1007/s11771-020-4399-6 Reduction behaviour of Odisha Sands Complex, India ilmenite-coke composite pellets D NAYAK, N RAY, N DASH, S......
A strength reduction method based on double reduction parameters and its applicationYUAN Wei(袁维), BAI Bing(白冰), LI Xiao-chun(李小春), WANG Hai-bin(汪海滨) (State Key Laboratory of Geomechanics and Geotechnical Engineering (Institute of Rock and Soil Mechanics, Chinese Academy of Sciences), Wuhan 430071, China)Abstract:In the traditional strength reduction method, the cohesion and the friction angle......
to treat wastewater from zinc pyrithione (ZPT) production, and the effects of different reaction parameters on sulfate reduction and zinc precipitation were evaluated. The single-factor experimental... and ZPT concentration of 0.62 mg/L, and the removal rate of reached a maximum of 91.62% under these optimum conditions. Key words: biological treatment; sulfate reduction; sulfate-reducing......
Reduction of low-grade manganese oxide ore by biomass roastingJingjing SONG 1,2) , Guocai ZHU 1), Ping ZHANG 2) and Yuna ZHAO 1) 1) Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 102201, China 2) College of Material Science and Chemistry Engineering, China University of Geosciences, Wuhan 430074, China摘 要:The reduction......
Introduction manner of sulfate acid for improving the performance of SO42–/CeO2 on selective catalytic reduction of NO by NH3宋忠贤1,张秋林1,宁平1,刘昕1,樊洁1,黄真真21. Faculty of Environmental Science... were synthesized by impregnation and sol-gel methods and used for selective catalytic reduction(SCR) of NOx by NH3. The results showed that the sulfated CeO2 catalysts prepared by sol-gel method......
Introduction manner of sulfate acid for improving the performance of SO42–/CeO2 on selective catalytic reduction of NO by NH3宋忠贤1,张秋林1,宁平1,刘昕1,樊洁1,黄真真21. Faculty of Environmental Science... were synthesized by impregnation and sol-gel methods and used for selective catalytic reduction(SCR) of NOx by NH3. The results showed that the sulfated CeO2 catalysts prepared by sol-gel method......
of acid lignite mine flooding water by means of microbial sulfate reduction [J]. Waste Management, 2001, 21(2): 197-203. [16] LIAMLEAM W, ANNACHHATRE A P. Electron donors for biological sulfate...; 文献标识码:A Availability of sulfate reducing bacteria on carbon sources CAO Jun-ya1, ZHANG Guang-ji1, 2, MAO Zai-sha1, FANG Zhao-heng1, YANG Chao1, 2 (1. Key......
by reduction roasting in the presence of sodium sulfate[J]. Minerals Engineering, 2012, 123: 32-41. Effect of additives on titanium and iron separation from beach titanomagnetite by direct reduction followed... and fluorite and sodium sulfate were used as additives, respectively. The purpose is to demonstrate the feasibility of this process and study the effect of additives on the reduction. The results show......
. The traditional purification technologies, such as roasting with Na2CO3, reduction roasting magnetization technologies and sulfate roasting have been studied [23-27]. These pyrometallurgy methods can avoid...Trans. Nonferrous Met. Soc. China 27(2017) 1180-1187 Recovery of valuable metals from zinc leaching residue by sulfate roasting and water leaching Guo-min JIANG1,3, Bing PENG1,2, Yan-jie LIANG1,2, Li......
arsenic is recovered [14-15]. The precipitation method of copper sulfate treated As-containing wastewater to prepare As2O3 [16-20]. This method consists of copper sulfate precipitation, SO2 reduction..., washing and drying after copper sulfate (industrial grade) was put into the neutralized wastewater and the pH value of the wastewater was adjusted to 8.0 [18]. 2.1.2 Reduction of copper arsenite......