請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/45635
標題: Adsorption kinetics, thermodynamics and desorption of natural dissolved organic matter by multiwalled carbon nanotubes
作者: Su, F.S.
盧重興
Lu, C.S.
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
期刊/報告no:: 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.
URI: http://hdl.handle.net/11455/45635
ISSN: 1093-4529
文章連結: http://dx.doi.org/10.1080/10934520701513381
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