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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 kinetics, thermodynamics and desorption of natural dissolved organic matter by multiwalled carbon nanotubes

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/135855

標題: Adsorption kinetics, thermodynamics and desorption of natural dissolved organic matter by multiwalled carbon nanotubes
作者: Su, F.S.;Lu, C.S.
盧重興
關鍵字: multiwalled carbon nanotubes;adsorption/desorption properties;natural;dissolved organic matter;granular activated carbon;granular activated carbon;aqueous-solution;heterotrophic bacteria;drinking-water;humic acids;removal;surface;trihalomethanes;equilibrium;kaolinite
日期: 2007
Issue Date: 2012-12-14 12:29:27 (UTC+8)
關連: Journal of Environmental Science and Health Part a-Toxic/Hazardous Substances & Environmental Engineering, Volume 42, Issue 11, Page(s) 1543-1552.
摘要: Multiwalled carbon nanotubes (CNTs) were thermally treated and were employed as adsorbents to study their adsorption kinetics and thermodynamics of natural dissolved organic matter (NDOM) from aqueous solutions. The adsorption kinetics follows the first-order rate law while the adsorption thermodynamics indicates the exothermic and spontaneous nature. A comparative study on the adsorption/desorption properties of NDOM between CNTs and granular activated carbon (GAC) was also conducted and revealed that the CNTs possess more NDOM adsorption capacities and show less weight loss through 10 cycles of water treatment and reactivation than the GAC. This suggests that the CNTs are promising NDOM adsorbents for preventing the microbiological degradation of drinking water quality as well as the formation of disinfection by products in water treatment.
Relation: Journal of Environmental Science and Health Part a-Toxic/Hazardous Substances & Environmental Engineering
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 盧重興

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