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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 Carbon Dioxide from Gas Streams via Mesoporous Spherical-Silica Particles

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/135861

標題: Adsorption of Carbon Dioxide from Gas Streams via Mesoporous Spherical-Silica Particles
作者: Lu, C.Y.;Bai, H.L.;Su, F.S.;Chen, W.F.;Hwang, J.F.;Lee, H.H.
盧重興
關鍵字: isopropyl-alcohol vapor;molecular-sieve mcm-41;co2 greenhouse-gas;flue-gas;activated carbon;high-capacity;capture;nanotubes;adsorbent;sba-15
日期: 2010
Issue Date: 2012-12-14 12:29:37 (UTC+8)
關連: Journal of the Air & Waste Management Association, Volume 60, Issue 4, Page(s) 489-496.
摘要: A relatively new mesoporous silica sorbent for environmental protection applications (i.e., mesoporous spherical-silica particles [MSPs]), was modified by N-[3(trimethoxysilyl)propyl]ethylenediamine (EDA) solution and was tested for its potential in the separation of carbon dioxide (CO(2)) from flue gas. The CO(2) adsorption capacity of MSP and MSP(EDA) increased with temperature from 20 to 60 degrees C but decreased with temperature from 60 to 100 degrees C. The mechanism of CO(2) adsorption on both samples is mainly attributed to physical interaction regardless of temperature change. The MSP(EDA) have good adsorption performance as compared with EDA-modified zeolite or granular activated carbon conducted in this study and many types of silica sorbents reported in the literature. The cyclic CO(2) adsorption showed that spent MSP(EDA) could be effectively regenerated at 120 degrees C for 25 min and CO(2) adsorption capacity of MSP(EDA) was preserved during 16 cycles of adsorption and thermal regeneration. These results suggests that MSP(EDA) are efficient CO(2) sorbents and can be stably used in the prolonged cyclic operation.
Relation: Journal of the Air & Waste Management Association
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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