引用本文:
李振宇, 秦炜, 戴猷元. 三正辛胺与丙酸的萃取机理[J]. 应用化学,
2001, 18(11): 861-864.
Citation: LI Zhen-Yu, QIN Wei, DAI You-Yuan. Association Mechanism for Extraction of Propionic Acid by Trioctylamine[J]. Chinese Journal of Applied Chemistry, 2001, 18(11): 861-864.
Citation: LI Zhen-Yu, QIN Wei, DAI You-Yuan. Association Mechanism for Extraction of Propionic Acid by Trioctylamine[J]. Chinese Journal of Applied Chemistry, 2001, 18(11): 861-864.
三正辛胺与丙酸的萃取机理
English
Association Mechanism for Extraction of Propionic Acid by Trioctylamine
Abstract:
The extraction of propionic acid in organic phase has been carried out by using trioctylamine(TOA) as an extractant, n-octanol as a diluent. By FTIR technique the fraction of the ion-pair extracted species(Ⅰ) and apparent equilibrium constant K11 were estimated. The results showed that the Ⅰ values obtained in this process depended on the association ability of ion-pair between propionic acid and TOA, concentration of TOA and solubility of the extracted species in organic phase.
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Key words:
- trioctylamine
- / propionic acid
- / ion-pair extracted species
- / extraction mechanism
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