Performance Investigation of Biomass Gasification for Syngas and Hydrogen Production Using Aspen Plus - Open Journal of Modelling and Simulation

Open Journal of Modelling and Simulation

Volume 10, Issue 2 (April 2022)

ISSN Print: 2327-4018 ISSN Online: 2327-4026

Google-based Impact Factor: 2.79 Citations

Performance Investigation of Biomass Gasification for Syngas and Hydrogen Production Using Aspen Plus ()

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DOI: 10.4236/ojmsi.2022.102005 974 Downloads 4,693 Views Citations

Author(s)

Sahar Safarian^1,2*, Runar Unnthorsson¹, Christiaan Richter¹

Affiliation(s)

¹Faculty of Industrial Engineering, Mechanical Engineering and Computer Science, University of Iceland, Reykjavik, Iceland.
²Division of Environmental Systems Analysis, Department of Technology Management and Economics, Chalmers University of Technology, Gothenburg, Sweden.

ABSTRACT

This study presents a reliable model using Aspen Plus process simulator capable of performing a sensitivity analysis of the downdraft gasification linked to hydrogen production unit. Effects of key factors, including gasification temperature and steam to biomass ratio (SBR) on the syngas composition, calorific value of syngas and hydrogen production are discussed and then the optimal conditions for maximum hydrogen production are extracted. The model is validated by experimental and other modeling data and found to be in great agreement. The sensitivity analysis results obtained by only using air as gasification agent indicate that higher temperatures are favorable for a product gas with higher hydrogen content and calorific value. Moreover, steam consumption as gasifying agent leads to increasing the hydrogen content and heating value of the syngas compared to the use of air as gasification agent. Finally, the results show that the optimal conditions to have the highest value of hydrogen output from sawdust downdraft gasification are 800˚C as gasifier temperature and 0.6 for SBR.

KEYWORDS

Biomass Gasification, Syngas, Hydrogen, Simulation, Parametric Analysis

Share and Cite:

Safarian, S. , Unnthorsson, R. and Richter, C. (2022) Performance Investigation of Biomass Gasification for Syngas and Hydrogen Production Using Aspen Plus. Open Journal of Modelling and Simulation, 10, 71-87. doi: 10.4236/ojmsi.2022.102005.

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