CAS OpenIR
studyonmechanismofextractingcadmiumwithbehdtpatoabyextremehypothesiscorrectionmethod
Zhang DL(张大力); Ke JJ(柯家骏); Lu LZ(卢立柱)
2006
Source Publicationactachimicasinica
ISSN0567-7351
Volume64Issue:11Pages:1106
AbstractIn extracting cadmium from aqueous solution of sulfate with bis(2-ethylhexyl)dithiophosphoric acid-trioctylamine in heptane, a reduction in pH could cause the decrease of extraction rate, then its increase. There were the transitions among several mechanisms in the extraction. On the basis of an extreme hypothesis, the effects of three mechanisms on extraction were discussed separately, with a preliminary equation of the extraction got. The action of such three mechanisms changing with pH was analyzed, and the rough and preliminary equation was corrected into a comparatively precise equation. The complex relationship among the three extraction mechanisms could be revealed by the mechanism contribution curves with a direct vision method. In certain pH ranges, the three mechanisms affected extraction result by the overlapping ways. The extreme hypothesis can be described below: in the system of several mechanisms, it could be considered extremely that under some conditions a certain mechanism takes key effect and others can be neglected.
Language英语
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31387
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
Zhang DL,Ke JJ,Lu LZ. studyonmechanismofextractingcadmiumwithbehdtpatoabyextremehypothesiscorrectionmethod[J]. actachimicasinica,2006,64(11):1106.
APA 张大力,柯家骏,&卢立柱.(2006).studyonmechanismofextractingcadmiumwithbehdtpatoabyextremehypothesiscorrectionmethod.actachimicasinica,64(11),1106.
MLA 张大力,et al."studyonmechanismofextractingcadmiumwithbehdtpatoabyextremehypothesiscorrectionmethod".actachimicasinica 64.11(2006):1106.
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