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EI¼ìË÷ Fly ash-derived solid amine sorbents for CO<inf>2</inf> capture from flue gas Zhang, Zhonghua1; Wang, Baodong1 Email author wangbaodong@nicenergy.com; Sun, Qi1 Source: Energy Procedia, v 63, p 2367-2373, 2014; ISSN: 18766102; DOI: 10.1016/j.egypro.2014.11.258; Conference: 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014, October 5, 2014 - October 9, 2014; Publisher: Elsevier Ltd Author affiliation: 1 National Institute of Clean-and-Low-Carbon Energy, P.O. Box 001 Shenhua NICE, Beijing, China Abstract: CO<inf>2</inf> capture and storage from flue gas has been considered as a key option for greenhouse gas control. The challenge of CO<inf>2</inf> capture is the high energy penalty resulting into the high capture cost. In this paper, it is reported that solid amine sorbents can be synthesized from fly ash successfully and they can be applied for CO<inf>2</inf> capture from flue gas. The sorbent, PEI/FA, has improved sorption performance and allowed a low production cost. The effects of sorption temperature and PEI loading amount on CO<inf>2</inf> sorption capacity were investigated. The CO<inf>2</inf> sorption capacity, CO<inf>2</inf> sorption rate and the regenerability of PEI/FA were evaluated by using thermogravimetric analyser (TGA). The highest CO<inf>2</inf> sorption capacity of PEI/FA sorbents is 145.0 mg- CO<inf>2</inf>/g-sorbent at 90 C under 10 % CO<inf>2</inf> in N<inf>2</inf>. Comparing with the sorbents, which have the similar sorption capacity, the preparation cost of PEI/FA is significantly reduced. The multi-cycles of PEI/FA were conducted and the sorption capacity of the regenerated sorbent after 100 cycles was still maintain 90% of the initial sorption capacity. The sorbent also shows a fast CO<inf>2</inf> sorption rate and the CO<inf>2</inf> sorption capacity can reach about 75 % of saturation capacity at first 2 min. The results indicate that the PEI/FA synthesized by this environmental friendly and low cost method has potential application for low temperature CO<inf>2</inf> capture in terms of its outstanding features such as high capture capacity, fast sorption/desorption rate, good regenerability, no corrosion and cost-effective. © 2014 The Authors Published by Elsevier Ltd.(20 refs) Database: Compendex CPCI-S£¨ISTP£© Fly Ash-derived Solid Amine Sorbents for CO2 Capture from Flue Gas ×÷Õß:Zhang, ZH (Zhang, Zhonghua)[ 1 ] ; Wang, BD (Wang, Baodong)[ 1 ] ; Sun, Q (Sun, Qi)[ 1 ] ±àÕß ixon, T; Herzog, H; Twinning, S12TH INTERNATIONAL CONFERENCE ON GREENHOUSE GAS CONTROL TECHNOLOGIES, GHGT-12 ´ÔÊé: Energy Procedia ¾í: 63 Ò³: 2367-2373 DOI: 10.1016/j.egypro.2014.11.258 ³ö°æÄê: 2014 »áÒéÃû³Æ »áÒé: 12th International Conference on Greenhouse Gas Control Technologies (GHGT) »áÒ鵨µã: Austin, TX »áÒéÈÕÆÚ: OCT 05-09, 2014 ÕªÒª CO2 capture and storage from flue gas has been considered as a key option for greenhouse gas control. The challenge of CO2 capture is the high energy penalty resulting into the high capture cost. In this paper, it is reported that solid amine sorbents can be synthesized from fly ash successfully and they can be applied for CO2 capture from flue gas. The sorbent, PEI/FA, has improved sorption performance and allowed a low production cost. The effects of sorption temperature and PEI loading amount on CO2 sorption capacity were investigated. The CO2 sorption capacity, CO2 sorption rate and the regenerability of PEI/FA were evaluated by using thermogravimetric analyser (TGA). The highest CO2 sorption capacity of PEI/FA sorbents is 145.0 mgCO2/g-sorbent at 90 degrees C under 10 % CO2 in N-2. Comparing with the sorbents, which have the similar sorption capacity, the preparation cost of PEI/FA is significantly reduced. The multi-cycles of PEI/FA were conducted and the sorption capacity of the regenerated sorbent after 100 cycles was still maintain 90% of the initial sorption capacity. The sorbent also shows a fast CO2 sorption rate and the CO2 sorption capacity can reach about 75 % of saturation capacity at first 2 min. The results indicate that the PEI/FA synthesized by this environmental friendly and low cost method has potential application for low temperature CO2 capture in terms of its outstanding features such as high capture capacity, fast sorption/desorption rate, good regenerability, no corrosion and cost-effective. (C) 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC B Y-NC- ND license (https://creativecommons.org/licenses/by-nc-nd/3.0/). ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:CO2 sorbent; CO2 capture; fly ash; sol-gel impregnation method KeyWords Plus:CARBON-DIOXIDE CAPTURE; PERFORMANCE; TECHNOLOGY; ADSORPTION; ADSORBENT; STORAGE ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Wang, BD (ͨѶ×÷Õß) Shenhua NICE Future Sci & Technol City, Natl Inst Clean & Low Carbon Energy, POB 001, Beijing, Peoples R China. µØÖ·: [ 1 ] Shenhua NICE Future Sci & Technol City, Natl Inst Clean & Low Carbon Energy, Beijing, Peoples R China µç×ÓÓʼþµØÖ·:wangbaodong@nicenergy.com ³ö°æÉÌ ELSEVIER SCIENCE BV, SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS Àà±ð / ·ÖÀà Ñо¿·½Ïò:Chemistry; Energy & Fuels Web of Science Àà±ð:Chemistry, Applied; Energy & Fuels ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ roceedings PaperÓïÖÖ:English Èë²ØºÅ: WOS:000361211502056 ISSN: 1876-6102 ÆäËûÐÅÏ¢ IDS ºÅ: BD4YR Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 20 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

2Â¥2016-01-09 10:39:24
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EI ¼ìË÷ Accession number: 20150800543549 Title: Fly ash-derived solid amine sorbents for CO<inf>2</inf> capture from flue gas Authors: Zhang, Zhonghua1; Wang, Baodong1 Email author wangbaodong@nicenergy.com; Sun, Qi1 Author affiliation: 1 National Institute of Clean-and-Low-Carbon Energy, P.O. Box 001 Shenhua NICE, Beijing, China Corresponding author: Wang, Baodong Source title: Energy Procedia Abbreviated source title: Energy Procedia Volume: 63 Volume title: 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 Part number: 1 of 1 Issue date: 2014 Publication year: 2014 Pages: 2367-2373 Language: English ISSN: 18766102 Document type: Conference article (CA) Conference name: 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 Conference date: October 5, 2014 - October 9, 2014 Conference location: Austin, TX, United states Conference code: 110740 Publisher: Elsevier Ltd Abstract: CO<inf>2</inf> capture and storage from flue gas has been considered as a key option for greenhouse gas control. The challenge of CO<inf>2</inf> capture is the high energy penalty resulting into the high capture cost. In this paper, it is reported that solid amine sorbents can be synthesized from fly ash successfully and they can be applied for CO<inf>2</inf> capture from flue gas. The sorbent, PEI/FA, has improved sorption performance and allowed a low production cost. The effects of sorption temperature and PEI loading amount on CO<inf>2</inf> sorption capacity were investigated. The CO<inf>2</inf> sorption capacity, CO<inf>2</inf> sorption rate and the regenerability of PEI/FA were evaluated by using thermogravimetric analyser (TGA). The highest CO<inf>2</inf> sorption capacity of PEI/FA sorbents is 145.0 mg- CO<inf>2</inf>/g-sorbent at 90 C under 10 % CO<inf>2</inf> in N<inf>2</inf>. Comparing with the sorbents, which have the similar sorption capacity, the preparation cost of PEI/FA is significantly reduced. The multi-cycles of PEI/FA were conducted and the sorption capacity of the regenerated sorbent after 100 cycles was still maintain 90% of the initial sorption capacity. The sorbent also shows a fast CO<inf>2</inf> sorption rate and the CO<inf>2</inf> sorption capacity can reach about 75 % of saturation capacity at first 2 min. The results indicate that the PEI/FA synthesized by this environmental friendly and low cost method has potential application for low temperature CO<inf>2</inf> capture in terms of its outstanding features such as high capture capacity, fast sorption/desorption rate, good regenerability, no corrosion and cost-effective. © 2014 The Authors Published by Elsevier Ltd. Number of references: 20 DOI: 10.1016/j.egypro.2014.11.258 Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc. |

3Â¥2016-01-09 10:41:27
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5Â¥2016-01-09 16:54:37













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