Removal of some organic pollutants in water employing ceramic membranes impregnated with cross-linked silylated dendritic and cyclodextrin polymers

被引：90

作者：

Allabashi, Roza

Arkas, Michael

Hoermann, Gerold

Tsiourvas, Dimitris

机构：

[1] Univ Nat Resources & Appl Life Sci, Inst Sanitary Engn & Water Pollut Control, Dept Water Atmosphere Environm, A-1190 Vienna, Austria

[2] NCSR Demokritos, Inst Phys Chem, GR-15310 Athens, Greece

来源：

WATER RESEARCH | 2007年 / 41卷 / 02期

关键词：

water purification; ceramic membranes; dendrimers; hyperbranched polymers; cyclodextrin; organic pollutants;

D O I：

10.1016/j.watres.2006.10.011

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Triethoxysilylated derivatives of poly(propylene imine) dendrimer, polyethylene imine and polyglycerol hyperbranched polymers and beta-cyclodextrin have been synthesized and characterized. These compounds impregnated ceramic membranes made from Al2O3, SiC and TiO2 and subsequently sol-gel reaction led to their polymerization and chemical bond formation with the ceramic substrates. The resulting organic-inorganic filters were tested for the removal of a variety of organic pollutants from water. They were found to remove of polycyclic aromatic hydrocarbons (up to 99%), of monocyclic aromatic hydrocarbons (up to 93%), trihalogen methanes (up to 81%), pesticides (up to 43%) and methyl-tert-butyl ether (up to 46%). (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：476 / 486

页数：11

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