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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 thermodynamic and kinetic studies of trihalomethanes on multiwalled carbon nanotubes

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/135856

標題: Adsorption thermodynamic and kinetic studies of trihalomethanes on multiwalled carbon nanotubes
作者: Lu, C.S.;Chung, Y.L.;Chang, K.F.
關鍵字: carbon nanotubes;adsorption;trihalomethanes;kinetics;thermodynamics;aqueous-solution;water;removal;zinc(ii);pipes;pb2+
日期: 2006
Issue Date: 2012-12-14 12:29:28 (UTC+8)
關連: Journal of Hazardous Materials, Volume 138, Issue 2, Page(s) 304-310.
摘要: Multiwalled carbon nanotubes (MWCNTs) were purified by mixed HNO3/H2SO4 solution and were employed as adsorbents to study adsorption kinetics and thermodynamics of trihalomethanes (THMs) from chlorinated drinking water. The amount of THMs adsorbed onto CNTs decreased with a rise in temperature and high adsorption capacities were found at 5 and 15 C. Under the same conditions, the purified CNTs possess two to three times more adsorption capacities of CHCl3, which accounts for a major portion of THMs in the chlorinated drinking water, than the commercially available PAC suggesting that CNTs are efficient adsorbents. The thermodynamic analysis revealed that the adsorption of THMs onto CNTs is exothermic and spontaneous. (c) 2006 Elsevier B.V. All rights reserved.
Relation: Journal of Hazardous Materials
Appears in Collections:[依資料類型分類] 期刊論文
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