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N1923-异戊醇对不同浓度盐酸介质中钛的萃取性能研究毛雪华1,刘代俊1,张鹏1(1.四川大学 化工学院,四川成都 610065)摘 要:研究了N1923-异戊醇对不同浓度盐酸介质中钛的萃取性能,考察了盐酸浓度,预酸化,异戊醇的加入量以及萃取温度,时间,相比和稀释剂对萃钛性能的影响.结果表明:N1923对钛的萃取率随盐酸浓度的增加而提高,当CHCl>8mol/L时,N1923对钛的萃取率显著提高.N1923-异戊醇对浓盐酸中钛存在协同萃取效应,一次萃取率可达90%以上,但对钛,铁的分离性能较差.
Trans. Nonferrous Met. Soc. China 28(2018) 1652-1659 Dissolution of lateritic nickel ore using ascorbic acid as synergistic reagent in sulphuric acid solution Sait KURSUNOGLU1, Zela Tanlega ICHLAS2.... The use of other organic acids, namely citric, maleic and stearic acids, as synergistic reagents was studied for comparison. The results revealed that the use of ascorbic and citric acids markedly......
that the extraction efficiency with D2EHPA is improved after being saponified by sodium hydroxide,and D2EHPA-TBP synergistic extracting,as well as HEHEHP,has a superior selectivity to Zn(Ⅱ)over Cd... experiments indicate that LIX 984N is highly selective and very efficient in the extraction of Cu(Ⅱ) and the analysis of variance indicates that the sequence of parameters according......
low density polyethylene (LLDPE); synergistic flame retardancy effect; surface-modification  ... of the fillers mainly aimed at the improvement of mechanical properties, seldom at the synergistic flame retardancy effect. In order to decrease high loadings of metal hydroxides, the combined use......
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Synergistic action of non-solvent induced phase separation in preparation of poly(vinyl butyral) hollow fiber membrane via thermally induced phase separationQiu Yun-ren(邱运仁), Qi Jing(漆静), Wei Yu-qing... sponge-like structure caused by TIPS and the finger-like structure caused by non-solvent induced phase separation (NIPS), because of the synergistic action of non-solvent induced phase separation at air......
J. Cent. South Univ. (2016) 23: 1508-1514 DOI: 10.1007/s11771-016-3202-1 Improved SMB speckle filtering of polarimetric SAR data with synergistic use of orientation angle compensation and spatial... for transmitting and receiving antennas to obtain polarimetric characteristics of the imaged terrain targets [2]. Speckle filtering of PolSAR data is essential for better information extraction......
J. Cent. South Univ. (2012) 19: 2136-2141 DOI: 10.1007/s11771-012-1256-2 Cloud-point extraction and preconcentration of bisphenol A from water samples TAN Zhi-jian(谭志坚)1, 2, LI Fen-fang(李芬芳)1, 2 1... University, Changsha 410083, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: A novel cloud-point extraction (CPE) was successfully used in preconcentration......
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Extraction Mechanism of La3+ from Hydrochloric Acid Solution Using Cyanex 302 牛春吉1,乌东北1,李德谦1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China) Abstract:The solvent extraction of La3+ from hydrochloric acid solutions was investigated using bis(2, 4, 4-trimethylpentyl) monothiophosphinic acid......