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An investigation of solubility of aliquat 336 in different extracted solutions

Xu, Jianying, Paimin, Rohani, Shen, Wei and Wang, Xungai 2003, An investigation of solubility of aliquat 336 in different extracted solutions, Fibers and polymers, vol. 4, no. 1, pp. 27-31.

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Title An investigation of solubility of aliquat 336 in different extracted solutions
Author(s) Xu, Jianying
Paimin, Rohani
Shen, Wei
Wang, Xungai
Journal name Fibers and polymers
Volume number 4
Issue number 1
Start page 27
End page 31
Publisher Korean Fiber Society
Place of publication Seoul, Korea
Publication date 2003-03
ISSN 1229-9197
1875-0052
Keyword(s) polymer membrane
aliquat 336
dolubility
PVC/Aliquat 336 membrane
separation
membrane extraction
fibre science
Summary A major concern in solvent extraction processes is the loss of extractant into the aqueous phase due to its slight solubility in the aqueous phase. Similarly, in membrane extraction processes, extractant loss through extractant leakage from the membrane into the aqueous phase is also a concern. Several published membrane extraction studies using Aliquat 336 as the extractant, have expressed this concern, but none has studied extractant leakage quantitatively. It is the authors’ opinion that the extractant leakage should be considered as a technical parameter of a membrane. In our laboratory active progress has been made in using Aliquat 336 ‘entangled’ into the polymer membranes to remove heavy metal ions from wastewater samples. In this work, we studied the loss of Aliquat 336 from the point of view of its solubility in aqueous solutions. The results showed that the solubilities of Aliquat 336 in an aqueous phase acidified with 2 M HCl is about 0.1 g/100 m/ of the solution. This figure provides a useful guideline for evaluating the leakage of the Aliquat 336 extractant from the membranes.
Notes The original publication is available at springerlink.com.
Language eng
Field of Research 090404 Membrane and Separation Technologies
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002203

Document type: Journal Article
Collections: School of Engineering and Technology
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