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D2EHDTPA-TOA反协同萃取镉的速率方程
张大力; 卢立柱; 柯家骏
2004
Source Publication物理化学学报
ISSN1000-6818
Volume020Issue:003Pages:275
Abstract以恒界面池法研究了D2EHDTPA(二(2-乙基己基)二硫代磷酸)-TOA(三辛胺)反协同萃取镉的界面反应速率方程.萃取历程由若干个相转移(在本体相与界面相之间的物质转移)过程和若干个反应组成,萃取的速率方程为R=1.42×10^-7Cd^2+^0.42BHAo^0.47/Bo^0.85H^+^0.21(mol·m^-2·s^-1)探讨了萃取速率方程中非整数反应物级数的物理意义.Freundlich因子n越大,物质在界面层所受排斥力越大.萃取过程的表观活化能E=44.2kJ·mol^-1,萃取反应的焓变△H=72.9kJ·mol^-1.讨论了由不同的界面模型而导致不能通融的萃取动力学机理的问题.
Language英语
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/32016
Collection中国科学院过程工程研究所
Affiliation中国科学院过程工程研究所
First Author Affilication中国科学院过程工程研究所
Recommended Citation
GB/T 7714
张大力,卢立柱,柯家骏. D2EHDTPA-TOA反协同萃取镉的速率方程[J]. 物理化学学报,2004,020(003):275.
APA 张大力,卢立柱,&柯家骏.(2004).D2EHDTPA-TOA反协同萃取镉的速率方程.物理化学学报,020(003),275.
MLA 张大力,et al."D2EHDTPA-TOA反协同萃取镉的速率方程".物理化学学报 020.003(2004):275.
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