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Exergy analysis of the process for dimethyl ether production through biomass steam gasification / Xiangping Zhang 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. 10976–10985 Titre : Exergy analysis of the process for dimethyl ether production through biomass steam gasification Type de document : texte imprimé Auteurs : Xiangping Zhang, Auteur ; Christian Solli, Auteur ; Edgar G. Hertwich, Auteur Année de publication : 2010 Article en page(s) : pp. 10976–10985 Note générale : Industriual chgemistry Langues : Anglais (eng) Mots-clés : Exergy--Analysis--Process--Dimethyl--Ether--Production--through--Biomass--Steam--Gasification Résumé : A flowsheet for the production of the substitutable transportation fuel dimethyl ether through biomass steam gasification to fuel (BSGtF) was constructed including heat integration. A quasi-equilibrium model was applied to simulate the whole process based on rigorous thermodynamic property prediction models. The carbon and hydrogen flows of the process showed that the atom utilization efficiency of carbon from the biomass to fuel process was 38.47%, and 39.75% of the total hydrogen was converted to the fuel product. The exergy flows of the total process and the exergy loss taking place in each process section were calculated based on the second law of thermodynamics. The results indicated that the total energy and exergy efficiencies from biomass to fuel were 51.3% and 43.5%, respectively, with a negative CO2 emission effect. The effects of gasification temperature, combustion temperature, and steam/biomass ratio on the gasification performance were investigated. The causes of exergy losses were analyzed to identify the areas of improvement so that a high energy utilization efficiency could be achieved. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900199e [article] Exergy analysis of the process for dimethyl ether production through biomass steam gasification [texte imprimé] / Xiangping Zhang, Auteur ; Christian Solli, Auteur ; Edgar G. Hertwich, Auteur . - 2010 . - pp. 10976–10985. Industriual chgemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 24 (Décembre 2009) . - pp. 10976–10985 Mots-clés : Exergy--Analysis--Process--Dimethyl--Ether--Production--through--Biomass--Steam--Gasification Résumé : A flowsheet for the production of the substitutable transportation fuel dimethyl ether through biomass steam gasification to fuel (BSGtF) was constructed including heat integration. A quasi-equilibrium model was applied to simulate the whole process based on rigorous thermodynamic property prediction models. The carbon and hydrogen flows of the process showed that the atom utilization efficiency of carbon from the biomass to fuel process was 38.47%, and 39.75% of the total hydrogen was converted to the fuel product. The exergy flows of the total process and the exergy loss taking place in each process section were calculated based on the second law of thermodynamics. The results indicated that the total energy and exergy efficiencies from biomass to fuel were 51.3% and 43.5%, respectively, with a negative CO2 emission effect. The effects of gasification temperature, combustion temperature, and steam/biomass ratio on the gasification performance were investigated. The causes of exergy losses were analyzed to identify the areas of improvement so that a high energy utilization efficiency could be achieved. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900199e

Exergy analysis of the process for dimethyl ether production through biomass steam gasification / Xiangping Zhang 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. 10976–10985 Titre : Exergy analysis of the process for dimethyl ether production through biomass steam gasification Type de document : texte imprimé Auteurs : Xiangping Zhang, Auteur ; Christian Solli, Auteur ; Edgar G. Hertwich, Auteur Année de publication : 2010 Article en page(s) : pp. 10976–10985 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Biomass  steam  gasification  to  fuel  Quasi-equilibrium  model Résumé : A flowsheet for the production of the substitutable transportation fuel dimethyl ether through biomass steam gasification to fuel (BSGtF) was constructed including heat integration. A quasi-equilibrium model was applied to simulate the whole process based on rigorous thermodynamic property prediction models. The carbon and hydrogen flows of the process showed that the atom utilization efficiency of carbon from the biomass to fuel process was 38.47%, and 39.75% of the total hydrogen was converted to the fuel product. The exergy flows of the total process and the exergy loss taking place in each process section were calculated based on the second law of thermodynamics. The results indicated that the total energy and exergy efficiencies from biomass to fuel were 51.3% and 43.5%, respectively, with a negative CO2 emission effect. The effects of gasification temperature, combustion temperature, and steam/biomass ratio on the gasification performance were investigated. The causes of exergy losses were analyzed to identify the areas of improvement so that a high energy utilization efficiency could be achieved. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900199e [article] Exergy analysis of the process for dimethyl ether production through biomass steam gasification [texte imprimé] / Xiangping Zhang, Auteur ; Christian Solli, Auteur ; Edgar G. Hertwich, Auteur . - 2010 . - pp. 10976–10985. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 24 (Décembre 2009) . - pp. 10976–10985 Mots-clés : Biomass  steam  gasification  to  fuel  Quasi-equilibrium  model Résumé : A flowsheet for the production of the substitutable transportation fuel dimethyl ether through biomass steam gasification to fuel (BSGtF) was constructed including heat integration. A quasi-equilibrium model was applied to simulate the whole process based on rigorous thermodynamic property prediction models. The carbon and hydrogen flows of the process showed that the atom utilization efficiency of carbon from the biomass to fuel process was 38.47%, and 39.75% of the total hydrogen was converted to the fuel product. The exergy flows of the total process and the exergy loss taking place in each process section were calculated based on the second law of thermodynamics. The results indicated that the total energy and exergy efficiencies from biomass to fuel were 51.3% and 43.5%, respectively, with a negative CO2 emission effect. The effects of gasification temperature, combustion temperature, and steam/biomass ratio on the gasification performance were investigated. The causes of exergy losses were analyzed to identify the areas of improvement so that a high energy utilization efficiency could be achieved. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900199e