請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/45645
標題: Comparisons of adsorbent cost for the removal of zinc (II) from aqueous solution by carbon nanotubes and activated carbon
作者: Lu, C.
盧重興
Chiu, H.
Bai, H.
關鍵字: carbon nanotubes
powdered activated carbon
zinc
sorption
desorption
cost-effective analysis
adsorption
water
期刊/報告no:: Journal of Nanoscience and Nanotechnology, Volume 7, Issue 4-5, Page(s) 1647-1652.
摘要: The reversibility of Zn2+ sorption onto single-walled carbon nanotubes (SWCNTs), multi-walled carbon nanotubes (MWCNTs) and powdered activated carbon (PAC) was investigated to evaluate their repeated availability performance in water treatment. Under the same conditions, the Zn2+ sorption capacity of SWCNTs and MWCNTs was more than that of PAC and could be maintained after several cycles of water treatment and regeneration. A statistical analysis on the replacement cost of these adsorbents based on the best-fit regression of the measured equilibrium capacity of each water treatment cycle was also conducted. The results revealed that the SWCNTs and MWCNTs could be reused through a large number of water treatment cycles and thus appear cost-effective in spite of their high unit cost at the present time.
URI: http://hdl.handle.net/11455/45645
ISSN: 1533-4880
文章連結: http://dx.doi.org/10.1166/jnn.2007.349
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