Cloud point extraction behavior of di(2-ethyl hexyl) phosphoric acid by non-ionic surfactant TX114

HUANG Yan; QIN Wei; DING Yuwen; DAI Youyuan

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Cloud point extraction behavior of di(2-ethyl hexyl) phosphoric acid by non-ionic surfactant TX114

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- Cloud point extraction behavior of di(2-ethyl hexyl) phosphoric acid by non-ionic surfactant TX114
- CIESC Journal Issue 2, Pages: 393-397(2008)
- 作者机构：
  
  化学工程联合国家重点实验室（清华大学），清华大学化学工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 February 2008，
  
  Published：05 February 2008
- 稿件说明：
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HUANG Yan, QIN Wei, DING Yuwen, et al. Cloud point extraction behavior of di(2-ethyl hexyl) phosphoric acid by non-ionic surfactant TX114[J]. CIESC Journal, 2008, (2): 393-397.
DOI：

HUANG Yan, QIN Wei, DING Yuwen, et al. Cloud point extraction behavior of di(2-ethyl hexyl) phosphoric acid by non-ionic surfactant TX114[J]. CIESC Journal, 2008, (2): 393-397. DOI：

摘要

Abstract

Cloud point extraction (CPE) utilizing non-ionic surfactant TX114 was carried out to separate and concentrate di (2-ethyl hexyl) phosphoric acid (D2EHPA) in its dilute aqueous solution.The CPE process was facilitated at 45℃.The influence of TX114 concentration

D2EHPA concentration and solution acidity on the extraction efficiency was studied.The results showed that extraction efficiency increased with decreasing TX114 concentration and increasing D2EHPA concentration.Such unusual extraction behavior might be the result of the reverse-micelle coacervate phase

solublizing D2EHPA on the surface of micelle

and the influence of D2EHPA on the cloud point of TX114.

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