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metal extraction efficiency was observed at higher eq. pH with either of the extractants. The complete process flow diagram for substantial recovery of total rare earth was developed using D2 EHPA...Liquid-liquid extraction and separation of total rare earth(RE) metals from polymetallic manganese nodule leaching solutionP.K.Parhi1,2,K.H.Park1,C.W.Nam1,J.T.Park11. Mineral Resources Research......
metal extraction efficiency was observed at higher eq. pH with either of the extractants. The complete process flow diagram for substantial recovery of total rare earth was developed using D2 EHPA...Liquid-liquid extraction and separation of total rare earth(RE) metals from polymetallic manganese nodule leaching solutionP.K.Parhi1,2,K.H.Park1,C.W.Nam1,J.T.Park11. Mineral Resources Research......
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Grain refining efficiency and mechanism of pure nickelTian-Dong Xia,Xi Chen,Qing-Lin Li,Wen-Jun ZhaoSchool of Materials Science and Engineering, Lanzhou University of Technology摘 要:According to the selection principle of grain refiners and calculation of planar disregistries, CeO2 and TiB2 particles were selected as the grain refiners of pure nickel......
and Nd,respectively,are obtained.The potential improvements in the overall extraction efficiency are also discussed.关键词:...Extraction of selected rare earth elements from anthracite acid mine drainage using supercritical CO2 via coagulation and complexationGuanrong Song1,Xingchao Wang1,Carlos Romero1,Huazhi Chen1,Zheng......
,提取温度为70 ℃,提取时间为2 h;采用该工艺,可使绿原酸呈分子形式被有效地浸出,绿原酸的提取率达83%. 关键词: 绿原酸; 苎麻叶; 提取 中图分类号:R284.2 文献标识码:A 文章编号: 1672-7207(2005)01-0073-05 Extraction of Chlorogenic Acid from Ramie Leaf SHI Shu-yun, ZHONG Shi-an, REN Xiu-lian, CHEN Xiao-juan, ZHOU Chun-shan (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: The methods for the extraction......
High efficiency visible-light-driven Fe2O3-xSx/S-doped g-C3N4 heterojunction photocatalysts: Direct Z-scheme mechanismMilad Jourshabani1,Zahra Shariatinia1,Alireza Badiei2,31. Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic)2. School of Chemistry, College of Science, University of Tehran3. Nanobiomedicine Center of Excellence, Nanoscience and Nanotechnology......
), extraction efficiency (E) and separation factor (βA/B) can be calculated by:  ... was further studied solely (Figure 1(b)). A turning point of the extraction efficiency of Sc is observed when the HCl concentration is 2 mol/L. Whereas the extraction behavior is very different from those......
; 文献标志码:A Extraction of tungsten from simulated autoclave-soda leaching liquor of tungsten ore with quaternary ammonium salt... liquid is produced in the regeneration procedure. Aiming at this problem, the direct extraction of tungsten from simulated autoclave-soda leaching liquor was researched in order to shorten......
loading capacity demonstrate that DEHAPO could be used to selectively extract Ce(Ⅳ) from sulphate medium with high separation efficiency and good extraction ability.关键词:...A novel extractant bis(2-ethylhexyl)((2-ethylhexylamino)methyl) phosphine oxide for cerium(Ⅳ) extraction and separation from sulfate mediumMingxia Huang1,Yongmei Fu1,Youcai Lu1,Wuping Liao2,Zhongjun......