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J. Cent. South Univ. Technol. (2007)03-0336-04 DOI: 10.1007/s11771-007-0066-4 Mechanism of current efficiency... of electrochemistry. The mechanism of current efficiency improvement were explained from the point of valence electron theory. The results indicate that the partial current density of Fe increases......
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Ultrasonic-assisted extraction of pectin from chaenomelesLI Xin-she(李新社), LIU Zheng-yan(刘争艳), LU Bu-shi(陆步诗) (Department of Biology and Chemistry Engineering, Shaoyang University, Shaoyang 422000, China)Abstract:Ultrasound was applied for the extraction of pectin from chaenomeles. The content of pectin was evaluated by carbazole colorimetric method. Based on the results of the single factor......
ARTICLE J. Cent. South Univ. (2019) 26: 2149-2159 DOI: https://doi.org/10.1007/s11771-019-4162-z Online monitoring and assessment of energy efficiency for copper smelting process CHEN Zhuo(陈卓), ZHU..., and timely evaluation of product output in the periodic process. As a result, a software system was developed to make the online analysis of the energy consumption and efficiency from the three levels......
Research and Application Progress in Countercurrent Solvent Extraction 严纯华1,廖春生2,吴声2,贾江涛2 (1.Beijing Institute of Founder Rare Earth Sci & Tech.Co.,Ltd.,Beijing,100871,China;2.State Key Lab of Rare... of Countercurrent Extraction established by Prof. Guangxian Xu, the static equilibrium and dynamic process for two- and three-outlet countercurrent extractions, and designed the optimized parameters......
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J. Cent. South Univ. Technol. (2011) 18: 68-72 DOI: 10.1007/s11771-011-0660-3 Improving extraction yield of humic substances from lignite with anthraquinone in alkaline solution JAING Tao(姜涛...) on extraction yield of humic substances (HS) and the action mechanisms of AQ in alkaline condition were studied by Fouvier transform infrared (FT-IR) spectroscopy. The results indicate that assistant AQ......
; (1) where x is the extraction efficiency; ρo is the original... using Amberlite XAD-4 which was only 1.26 g/g [22]. However, it was found that with increasing the solvent concentration on the impregnated resin, the extraction efficiency was also increased [23]. Fig......
Current efficiency of Ga electrodeposition under different anions concentrationsKe-Ke Li1,2,Yi-Fei Zhang1,Shao-Tao Cao1,Yi Zhang11. National Engineering Laboratory for Hydrometallurgical Cleaner...:The gallium electrodeposition from alkaline solution has a very low current efficiency,the reason for which is still not quite understood.The effects......
affects the extractability and separation efficiency of metal ions. The present work aims at determining the vanadium(IV) extraction thermodynamics and mechanism by D2EHPA, EHEHPA and CYANEX 272 from... Trans. Nonferrous Met. Soc. China 22(2012) 461-466 Thermodynamics and mechanism of vanadium(IV) extraction from sulphate medium with D2EHPA, EHEHPA and CYANEX 272 in kerosene LI Xing-bin,WEI Chang......