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Separation Science and Technology Volume 43, 2008 - Issue 6
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Polyethersulfone‐Modified Montmorillonite Hybrid Beads for the Removal of Bisphenol A

Yin Chen State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
,
Tian Chen State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
,
Fuming Cao State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
,
Zehua Yin State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
,
Xiaojun He State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
,
Jian Gao State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
,
Anqi Zhang State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, China
&
Changsheng Zhao State Key Laboratory of Polymer Materials Engineering, Sichuan University, College of Polymer Science and Engineering, Chengdu, ChinaCorrespondence[email protected]
 show all
Pages 1404-1420 | Received 02 Jun 2007, Accepted 19 Nov 2007, Published online: 09 Apr 2008
 
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Abstract

Na‐Montmorillonite (Na‐MMT) was modified by cetyltrimethylammonium bromide first, then polyethersulfone (PES)‐MMT hybrid beads were prepared using a liquid‐liquid phase separation technique for the removal of bisphenol (BPA). The interlayer spacing of the MMT increased after the modification. Adsorption data showed that the modified MMT had excellent adsorption ability to BPA due to the hydrophobic interaction and large porosity. An adsorption dynamics model for the beads was constructed using concentration decrease data. Also, the experimental data of BPA adsorption were adequately fitted with both Langmuir and Freundlich equations. These results indicated that the PES‐MMT hybrid particles have the potential to be used in the environmental application.

ACKNOWLEDGMENT

This work was financially sponsored by the National Natural Science Foundation of China (No. 50403028, 50673064), State Education Ministry of China (Project‐sponsored by SRF for ROCS, No. 2004527‐16‐14, and Program for New Century Excellent Talents in University, NCET‐05‐0791) and Innovation Fund of Sichuan University (G2006004).

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