Onsite CO2 capture from flue gas by an adsorption process in a coal - fired power plant / Zhen Liu in Industrial & engineering chemistry research, Vol. 51 N° 21 (Mai 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 21 (Mai 2012) . - pp. 7355–7363 Titre : Onsite CO2 capture from flue gas by an adsorption process in a coal - fired power plant Type de document : texte imprimé Auteurs : Zhen Liu, Auteur ; Lu Wang, Auteur ; Xiangming Kong, Auteur Année de publication : 2012 Article en page(s) : pp. 7355–7363 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Flue gas Adsorption Résumé : The feasibility and efficiency of adsorption technology were evaluated experimentally and theoretically for CO2 capture from the flue gas in an existing coal-fired power plant, where a three-bed VPSA unit was set up to test 282 kg of adsorbent materials. In this work, the experimental results are reported for zeolite 5A as the adsorbent. The composition of the flue gas after dehydration was 15.0 vol % CO2, 76.5 vol % N2, and 8.5 vol % O2. With a three-bed seven-step VPSA process including rinse and pressure equalization steps, 85% CO2 was obtained with recovery of 79% from flue gas at a feed flow rate of 46.0 Nm3/h. The experimentally measured energy consumption was 2.37 MJ/(kg of CO2). The experimental work was compared with numerical simulations through the multibed VPSA modeling framework developed in a previous work. The simulated results were found to agree well with the experimental results. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie3005308 [article] Onsite CO2 capture from flue gas by an adsorption process in a coal - fired power plant [texte imprimé] / Zhen Liu, Auteur ; Lu Wang, Auteur ; Xiangming Kong, Auteur . - 2012 . - pp. 7355–7363. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 21 (Mai 2012) . - pp. 7355–7363 Mots-clés : Flue gas Adsorption Résumé : The feasibility and efficiency of adsorption technology were evaluated experimentally and theoretically for CO2 capture from the flue gas in an existing coal-fired power plant, where a three-bed VPSA unit was set up to test 282 kg of adsorbent materials. In this work, the experimental results are reported for zeolite 5A as the adsorbent. The composition of the flue gas after dehydration was 15.0 vol % CO2, 76.5 vol % N2, and 8.5 vol % O2. With a three-bed seven-step VPSA process including rinse and pressure equalization steps, 85% CO2 was obtained with recovery of 79% from flue gas at a feed flow rate of 46.0 Nm3/h. The experimentally measured energy consumption was 2.37 MJ/(kg of CO2). The experimental work was compared with numerical simulations through the multibed VPSA modeling framework developed in a previous work. The simulated results were found to agree well with the experimental results. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie3005308

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Theoretical and experimental study of plate-strengthened concrete columns under eccentric compression loading / Lu Wang in Journal of structural engineering, Vol. 139 N° 3 (Mars 2013)  

Public ISBD [article]  inJournal of structural engineering > Vol. 139 N° 3 (Mars 2013) . - pp. 350–359 Titre : Theoretical and experimental study of plate-strengthened concrete columns under eccentric compression loading Type de document : texte imprimé Auteurs : Lu Wang, Auteur ; Ray Kai-Leung Su, Auteur Année de publication : 2013 Article en page(s) : pp. 350–359 Note générale : structural engineering Langues : Anglais (eng) Mots-clés : reinforced concrete columns  precambered steel plates  strengthening  eccentric compression loading Résumé : Steel jacketing has been widely used for strengthening RC columns in the last four decades. In practice, the RC columns to be strengthened are usually subjected to eccentric precompressed axial loads. Until now, there have been only limited studies conducted that address the stress-lagging effects between the original column and the new jacket due to the preexisting load. In this paper, the precambered steel plate–strengthening approach, which can alleviate the stress-lagging effects, was adopted to improve the axial strength and moment capacity of the preloaded RC columns subjected to eccentric compression loading. An experimental study that involved eight specimens with different eccentricities, plate thicknesses, and initial precamber displacements was conducted to examine the ductility and moment-curvature response of strengthened columns and to validate the effectiveness of this approach. A theoretical model was developed to predict the axial load capacity of the plate-strengthened columns. A comparison of the theoretical and experimental results showed that the theoretical model accurately predicted the axial load-carrying capacities of the plate-strengthened columns under eccentric compression loading. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29ST.1943-541X.0000659 [article] Theoretical and experimental study of plate-strengthened concrete columns under eccentric compression loading [texte imprimé] / Lu Wang, Auteur ; Ray Kai-Leung Su, Auteur . - 2013 . - pp. 350–359. structural engineering Langues : Anglais (eng) in Journal of structural engineering > Vol. 139 N° 3 (Mars 2013) . - pp. 350–359 Mots-clés : reinforced concrete columns  precambered steel plates  strengthening  eccentric compression loading Résumé : Steel jacketing has been widely used for strengthening RC columns in the last four decades. In practice, the RC columns to be strengthened are usually subjected to eccentric precompressed axial loads. Until now, there have been only limited studies conducted that address the stress-lagging effects between the original column and the new jacket due to the preexisting load. In this paper, the precambered steel plate–strengthening approach, which can alleviate the stress-lagging effects, was adopted to improve the axial strength and moment capacity of the preloaded RC columns subjected to eccentric compression loading. An experimental study that involved eight specimens with different eccentricities, plate thicknesses, and initial precamber displacements was conducted to examine the ductility and moment-curvature response of strengthened columns and to validate the effectiveness of this approach. A theoretical model was developed to predict the axial load capacity of the plate-strengthened columns. A comparison of the theoretical and experimental results showed that the theoretical model accurately predicted the axial load-carrying capacities of the plate-strengthened columns under eccentric compression loading. En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29ST.1943-541X.0000659

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