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National Chung Hsing University Institutional Repository - NCHUIR > 工學院 > 環境工程學系所 > 依資料類型分類 > 期刊論文 >  Adsorption of trihalomethanes from water with carbon nanotubes

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/126116

標題: Adsorption of trihalomethanes from water with carbon nanotubes
作者: Lu, Chungsying;Chung, Yao-Lei;Chang, Kuan-Foo
Contributors: 國立中興大學環境工程學系
National Chung Hsing University,Department of Environmenral Engineering
Miao-zhen Luo
關鍵字: Carbon nanotubes;Adsorption;Trihalomethanes;pH effect;Powdered activated carbon
日期: 2005
Issue Date: 2012-10-19 16:06:05 (UTC+8)
Publisher: Elsevier Ltd.
摘要: Commercial carbon nanotubes (CNTs) were purified by acid solution and were employed as adsorbents to study adsorption of trihalomethanes (THMs) from water. The properties of CNTs such as purity, structure and nature of the surface were greatly improved after acid treatment which made CNTs become more hydrophilic and suitable for adsorption of low molecular weight and relatively polar THM molecules. The adsorption of THMs onto CNTs fluctuates very little in the pH range 3-7, but decreases with pH value as pH exceeds 7. A comparative study between CNTs and powdered activated carbon (PAC) for adsorption of THMs from water was also conducted. The short time needed to reach equilibrium as well as the high adsorption capacity of CHCl3, which accounts for a significant portion of THMs in the chlorinated drinking water, suggests that CNTs possess highly potential applications for THMs removal from water.
Relation: Water Research, Volume 39, Issue 6, Page(s) 1183-1189.
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