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Biofuels, Bioproducts and Biorefining | Vol.12, Issue.1 | | Pages

Biofuels, Bioproducts and Biorefining

Aspen plus simulation to predict steady state performance of biomass-CO2 gasification in a fluidized bed gasifier

Mario R. Eden   Narendra Sadhwani   Sushil Adhikari   Pengcheng Li  
Abstract

The use of carbon dioxide as an oxidizing medium for the gasification of biomass has been explored to a limited extent in the literature. In the current study, the output performance of a bench-scale atmospheric fluidized bed gasifier for biomass-CO2 gasification was simulated using the Aspen plus simulator. The results from experimental studies conducted to understand the chemistry and kinetics of the process were incorporated in the model using a dynamically linked FORTRAN subr­outine. Different steps of the CO2 gasification process were simulated using a combination of various reactor configurations. Experimental data obtained from varying operating parameters such as CO2/C ratio and temperature were compared with the results from sensitivity analysis performed on the model. To evaluate the validity of the model, parameters such as syngas composition, individual gas yields, and heating value were compared. The results were also compared with the results from a thermodynamic equilibrium model to adjudge the credibility of using a comprehensive CO2 gasification Aspen plus model with kinetics. © 2017 Society of Chemical Industry and John Wiley & Sons, Ltd

Original Text (This is the original text for your reference.)

Aspen plus simulation to predict steady state performance of biomass-CO2 gasification in a fluidized bed gasifier

The use of carbon dioxide as an oxidizing medium for the gasification of biomass has been explored to a limited extent in the literature. In the current study, the output performance of a bench-scale atmospheric fluidized bed gasifier for biomass-CO2 gasification was simulated using the Aspen plus simulator. The results from experimental studies conducted to understand the chemistry and kinetics of the process were incorporated in the model using a dynamically linked FORTRAN subr­outine. Different steps of the CO2 gasification process were simulated using a combination of various reactor configurations. Experimental data obtained from varying operating parameters such as CO2/C ratio and temperature were compared with the results from sensitivity analysis performed on the model. To evaluate the validity of the model, parameters such as syngas composition, individual gas yields, and heating value were compared. The results were also compared with the results from a thermodynamic equilibrium model to adjudge the credibility of using a comprehensive CO2 gasification Aspen plus model with kinetics. © 2017 Society of Chemical Industry and John Wiley & Sons, Ltd

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Mario R. Eden,Narendra Sadhwani, Sushil Adhikari, Pengcheng Li,.Aspen plus simulation to predict steady state performance of biomass-CO2 gasification in a fluidized bed gasifier. 12 (1),.

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