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, and the effect of phase ratio on extraction rate and distribution ratio were analysed. The results show that the concentration of hydrogen ion in water phase is a very important factor, and a proper concentration of hydrogen ion not only ensures that lithium ion enters into organic phase and decreases the complexing of hydrogen ion and organic solvent, but also assures iron ion against hydrolyzing......
Minimum amount of extracting solvent of AB/BC countercurrent extraction separation using organic feed程福祥1,吴声1,2,张玻1,刘艳1,王嵩龄1,廖春生1,2,严纯华21. China Minmetals (Beijing) Research Institute of RE Co.,Ltd2..., Peking University摘 要:For an AB/BC countercurrent extraction separation using organic feed, the conditions to have minimum amount of extracting solvent(Smin......
Minimum amount of extracting solvent of AB/BC countercurrent extraction separation using organic feed程福祥1,吴声1,2,张玻1,刘艳1,王嵩龄1,廖春生1,2,严纯华21. China Minmetals (Beijing) Research Institute of RE Co.,Ltd2..., Peking University摘 要:For an AB/BC countercurrent extraction separation using organic feed, the conditions to have minimum amount of extracting solvent(Smin......
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. The effect of shaking time, aqueous phase acid concentration, Fe(III)/Cu(II) concentration, Cyanex 921 concentration, temperature and aqueous to organic phase ratio on the separation of Cu(II) and Fe(III...Separation of copper and iron from chloride media using Cyanex 921 in keroseneSanghamitra Pradhan, Niharbala Devi, Sujata Mishra(Department of Chemistry, Institute of Technical Education and Research......
J. Cent. South Univ. (2018) 25: 29-37 DOI: https://doi.org/10.1007/s11771-018-3714-y Separation of azodicarbonamide from surface of diatomite by froth flotation ZHANG Qin(张覃)1, 2, 3, XIE Jun(谢俊)1... of Springer Nature 2018 Abstract: The separation of azodicarbonamide (AC) from the surface of diatomite by froth flotation is investigated in this research. Pure samples of diatomite, AC and 1:1 mixtures......
Boron separation from Si–Sn alloy by slag treatmentRowaid Al-khazraji1,2,Ya-qiong Li1,2,Li-feng Zhang1,21. School of Metallurgical and Ecological Engineering, University of Science and Technology... a purification process for metallurgical-grade silicon(MG-Si) in which Si is alloyed with tin(Sn) and Ca O–Si O2–Ca Cl2 slag is used to remove boron(B) impurity. Acid leaching was performed to remove the Sn phase......
was developed.This combination links the high separation power of HPLC and high sensitivity of ETV-ICP-AES.The 2-ethylhexyl hydrogen 2-ethylhexylphosphate(P507)resin was used as stationary phase for the separation of metallic impurities in order to eliminate severe spectral interferences of the matrix.The dilute nitric acid was adopted as mobile phase for eluting Cu,Mn,Ni and La.The separation process can......
Flotation separation of marmatite from pyrrhotite using DMPS as depressant SUN Wei(孙 伟), LIU Run-qing(刘润清), CAO Xue-feng(曹学锋), HU Yue-hua(胡岳华) School of Minerals Processing and Bioengineering...; Abstract: Mercapto organic compound DMPS was used as the depressant for separation of copper activated marmatite from pyrrhotite in the presence......