Influence of a cationic surfactant on adsorption of p-nitrophenol by a magsorbent based on magnetic alginate beads

被引：13

作者：

Obeid, Layaly ^{[1
,2
,3
]}

El Kolli, Nadia ^{[1
,2
]}

Talbot, Delphine ^{[1
,2
]}

Welschbillig, Mathias ^{[3
]}

Bee, Agnes ^{[1
,2
]}

机构：

[1] Univ Paris 06, Sorbonne Univ, UMR 8234, PHENIX, F-75005 Paris, France

[2] CNRS, UMR 8234, PHENIX, F-75005 Paris, France

[3] Util Performance Eau & Ind, F-56930 Plumeliau, France

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2015年 / 457卷

关键词：

Ferrofluid; Surfactant; Alginate; Magsorbent; Magnetic; Beads; Adsorption; Cetylpyridinium chloride; Water remediation; Alginate bead; AQUEOUS-SOLUTIONS; ORGANIC POLLUTANTS; PHENOLIC-COMPOUNDS; WASTE-WATER; CETYLPYRIDINIUM CHLORIDE; MODIFIED ZEOLITE; METHYL-ORANGE; REMOVAL; CHITOSAN; SORPTION;

D O I：

10.1016/j.jcis.2015.07.017

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The paper focuses on the removal of p-nitrophenol by an adsorption process. A magnetic adsorbent was synthesized by encapsulation of magnetic functionalized nanoparticles using alginate as a green biopolymer matrix. A cationic surfactant, cetylpyridinium chloride (CPyCl), was used to confer a hydrophobic character to the magnetic beads and thus to promote their adsorption efficiency. The effect of different parameters such as initial concentrations of both PNP and CPyCl, contact time and solution pH value on the adsorption of PNP in the presence of CPyCl was investigated. It should be noted that combination of magnetic and adsorption properties in a same material is an interesting challenge which could overcome the recovery problems of pollutant-loaded adsorbent. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：218 / 224

页数：7

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