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Continuous CO2 Capture from Flue Gases Using a Dual Fluidized Bed Reactor with Calcium-Based Sorbent / Fan Fang in Industrial & engineering chemistry research, Vol. 48 N° 24 (Décembre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 24 (Décembre 2009) . - pp. 11140–11147 Titre : Continuous CO2 Capture from Flue Gases Using a Dual Fluidized Bed Reactor with Calcium-Based Sorbent Type de document : texte imprimé Auteurs : Fan Fang, Auteur ; Zhen-shan Li, Auteur ; Ning-sheng Cai, Auteur Année de publication : 2010 Article en page(s) : pp. 11140–11147 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Continuous  CO2--Capture--Flue  Gases--Using--Dual  Fluidized--Reactor--Calcium-Based--Sorbent Résumé : CO2 capture using multiple carbonation and calcination reaction looping is an emerging postcombustion capture technology. Dual fluidized bed reactors are the key technology to fulfill the carbonation/calcination looping process. Dual bubbling fluidized bed reactors were constructed to demonstrate the process feasibility of continuous CO2 capture from flue gases. First, a cold model of the dual bubbling fluidized bed reactor was built and tested on the foundation of analyzing different types of dual fluidized bed reactors. Long-term stable operation and continuous solids circulation between the two reactors was achieved in the cold model. The solids circulation rate increased with increasing bed material height, solid injection nozzle diameter, and hole diameter on the solid injection nozzle. Second, a hot model of the dual bubbling fluidized bed reactor was constructed. The sorbent particles successfully circulated between the carbonator and the regenerator at high temperatures and the CO2 in the flue gases was continuously captured by the Ca-based sorbent, dolomite. Experimental results indicate that ∼95.0% CO2 capture efficiency could be achieved. In the carbonator, about 70.4% CaO in the sorbent was converted to CaCO3. In the regenerator, the CaCO3 did not decompose completely with more than 13.9 wt % CaCO3 still in the sorbent leaving the regenerator. The carbonation temperature and the sorbent attrition were found to significantly influence the carbonation/calcination looping process. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901128r [article] Continuous CO2 Capture from Flue Gases Using a Dual Fluidized Bed Reactor with Calcium-Based Sorbent [texte imprimé] / Fan Fang, Auteur ; Zhen-shan Li, Auteur ; Ning-sheng Cai, Auteur . - 2010 . - pp. 11140–11147. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 24 (Décembre 2009) . - pp. 11140–11147 Mots-clés : Continuous  CO2--Capture--Flue  Gases--Using--Dual  Fluidized--Reactor--Calcium-Based--Sorbent Résumé : CO2 capture using multiple carbonation and calcination reaction looping is an emerging postcombustion capture technology. Dual fluidized bed reactors are the key technology to fulfill the carbonation/calcination looping process. Dual bubbling fluidized bed reactors were constructed to demonstrate the process feasibility of continuous CO2 capture from flue gases. First, a cold model of the dual bubbling fluidized bed reactor was built and tested on the foundation of analyzing different types of dual fluidized bed reactors. Long-term stable operation and continuous solids circulation between the two reactors was achieved in the cold model. The solids circulation rate increased with increasing bed material height, solid injection nozzle diameter, and hole diameter on the solid injection nozzle. Second, a hot model of the dual bubbling fluidized bed reactor was constructed. The sorbent particles successfully circulated between the carbonator and the regenerator at high temperatures and the CO2 in the flue gases was continuously captured by the Ca-based sorbent, dolomite. Experimental results indicate that ∼95.0% CO2 capture efficiency could be achieved. In the carbonator, about 70.4% CaO in the sorbent was converted to CaCO3. In the regenerator, the CaCO3 did not decompose completely with more than 13.9 wt % CaCO3 still in the sorbent leaving the regenerator. The carbonation temperature and the sorbent attrition were found to significantly influence the carbonation/calcination looping process. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901128r

Continuous CO2 capture from flue gases using a dual fluidized bed reactor with calcium-based sorbent / Fan Fang in Industrial & engineering chemistry research, Vol. 48 N° 24 (Décembre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 24 (Décembre 2009) . - pp. 11140–11147 Titre : Continuous CO2 capture from flue gases using a dual fluidized bed reactor with calcium-based sorbent Type de document : texte imprimé Auteurs : Fan Fang, Auteur ; Zhen-shan Li, Auteur ; Ning-sheng Cai, Auteur Année de publication : 2010 Article en page(s) : pp. 11140–11147 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : CO2  capture  Dual  fluidized  bed  reactors Résumé : CO2 capture using multiple carbonation and calcination reaction looping is an emerging postcombustion capture technology. Dual fluidized bed reactors are the key technology to fulfill the carbonation/calcination looping process. Dual bubbling fluidized bed reactors were constructed to demonstrate the process feasibility of continuous CO2 capture from flue gases. First, a cold model of the dual bubbling fluidized bed reactor was built and tested on the foundation of analyzing different types of dual fluidized bed reactors. Long-term stable operation and continuous solids circulation between the two reactors was achieved in the cold model. The solids circulation rate increased with increasing bed material height, solid injection nozzle diameter, and hole diameter on the solid injection nozzle. Second, a hot model of the dual bubbling fluidized bed reactor was constructed. The sorbent particles successfully circulated between the carbonator and the regenerator at high temperatures and the CO2 in the flue gases was continuously captured by the Ca-based sorbent, dolomite. Experimental results indicate that ∼95.0% CO2 capture efficiency could be achieved. In the carbonator, about 70.4% CaO in the sorbent was converted to CaCO3. In the regenerator, the CaCO3 did not decompose completely with more than 13.9 wt % CaCO3 still in the sorbent leaving the regenerator. The carbonation temperature and the sorbent attrition were found to significantly influence the carbonation/calcination looping process. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901128r [article] Continuous CO2 capture from flue gases using a dual fluidized bed reactor with calcium-based sorbent [texte imprimé] / Fan Fang, Auteur ; Zhen-shan Li, Auteur ; Ning-sheng Cai, Auteur . - 2010 . - pp. 11140–11147. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 24 (Décembre 2009) . - pp. 11140–11147 Mots-clés : CO2  capture  Dual  fluidized  bed  reactors Résumé : CO2 capture using multiple carbonation and calcination reaction looping is an emerging postcombustion capture technology. Dual fluidized bed reactors are the key technology to fulfill the carbonation/calcination looping process. Dual bubbling fluidized bed reactors were constructed to demonstrate the process feasibility of continuous CO2 capture from flue gases. First, a cold model of the dual bubbling fluidized bed reactor was built and tested on the foundation of analyzing different types of dual fluidized bed reactors. Long-term stable operation and continuous solids circulation between the two reactors was achieved in the cold model. The solids circulation rate increased with increasing bed material height, solid injection nozzle diameter, and hole diameter on the solid injection nozzle. Second, a hot model of the dual bubbling fluidized bed reactor was constructed. The sorbent particles successfully circulated between the carbonator and the regenerator at high temperatures and the CO2 in the flue gases was continuously captured by the Ca-based sorbent, dolomite. Experimental results indicate that ∼95.0% CO2 capture efficiency could be achieved. In the carbonator, about 70.4% CaO in the sorbent was converted to CaCO3. In the regenerator, the CaCO3 did not decompose completely with more than 13.9 wt % CaCO3 still in the sorbent leaving the regenerator. The carbonation temperature and the sorbent attrition were found to significantly influence the carbonation/calcination looping process. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie901128r