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oxalate by lime causticisation was presented and employed in an alumina refinery in China. Key words: calcium oxalate; sodium aluminate solution; sodium carbonate; lime causticisation; activity...], and causticisation [14,18,19]. Compared with other methods, lime causticisation is extensively applied because of several advantages, such as caustic soda recovery, convenient operation, and low cost......
Experimental investigation of clam water impact on flatted-bottom seafloor mining toolHU Xiao-zhou(胡小舟)1, 2, LIU Shao-jun(刘少军)1, 2(1. School of Mechanical and Electrical Engineering, Central South..., China)Abstract:A test rig for constant velocity water entry experiments was developed that drives a flatted-bottom section attached on six degree of freedom(6-DOF) platform to enter the water vertically......
solids, containing some 20%-30% by mass of water, are mixed with selected products from other industries, as exemplified by mineral matter (cement, cement kiln dust, lime metallurgical slag, waste gypsum... with acidic jarosite waste resulted in mechanically weak composites having a tendency to disrupt in water, even with 10% binder, unless both cement and lime were used to neutralise the acidity......
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Water coning mechanism in Tarim fractured sandstone gas reservoirsSHEN Wei-jun(沈伟军)1, 2, LIU Xiao-hua(刘晓华)3, LI Xi-zhe(李熙喆)3, LU Jia-liang(陆家亮)3(1. Institute of Porous Flow and Fluid Mechanics..., Langfang 065007, China)Abstract:The problem of water coning into the Tarim fractured sandstone gas reservoirs becomes one of the major concerns in terms of productivity, increased operating costs......
J. Cent. South Univ. (2021) 28: 1692-1706 DOI: https://doi.org/10.1007/s11771-021-4727-5 Deep purification of As(V) in drinking water by silica gel loaded with FeOOH and MnO2 SHI Tong-shan(石通杉)1, 2... GmbH Germany, part of Springer Nature 2021 Abstract: For deep purification of As(V) from drinking water by adsorption, two adsorbents S-FeOOH and S-MnO2 were successfully synthesized by loading FeOOH......
Corrosion characteristics of copper in magnetized sea water ZHANG Peng(张鹏)1, GUO Bin(郭斌)1, JIN Yong-ping(金永平)1, CHENG Shu-kang(程树康)2 1. School of Materials Science and Engineering, Harbin... in the magnetized sea water is minimal compared with that in 3.5% NaCl solution and sea water. Electrochemical impedance spectroscopy (EIS) plots of copper in 3.5% NaCl, sea water and magnetized sea water......
A Review of ABO3 Perovskite Photocatalysts for Water Splitting Li Zhonghua1,Liu Jiangwen2,Chen Gang1,Zhang Hongjie1 (1.Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001... the highest activity for water splitting. The reasons for the high photocatalytic activity of ABO3 perovskties are considered to the diverse and flexible crystal structure. The photocatalytic......
Action time effect of lime on its depressive ability for pyriteTichang Sun Civil and Environmental Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:lime on its depressive ability for pyrite. The ex-perimental results conducted with different samples and collectors showed that the action time between......
Pre-desilication and digestion of gibbsitic bauxite with lime in sodium aluminate liquorXiao-lin Pan, Hai-yan Yu, Kai-wei Dong, Gan-feng Tu, and Shi-wen Bi School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China摘 要:The effect of lime on the pre-desilication and digestion of gibbsitic bauxite in synthetic sodium aluminate......
