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Process modeling and evaluation of optimal operating conditions for production of hydrogen-rich syngas from air gasification of rice husks using aspen plus and response surface methodology

  • Biomass gasification is recognized as a viable avenue to accelerate the sustainable production of hydrogen. In this work, a numerical simulation model of air gasification of rice husks is developed using the Aspen Plus to investigate the feasibility of producing hydrogen-rich syngas. The model is experimentally validated with rice husk gasification results and other published studies. The influence of temperature and equivalence ratio on the syngas composition, H2 yield, LHVSyngas, H2/CO ratio,Biomass gasification is recognized as a viable avenue to accelerate the sustainable production of hydrogen. In this work, a numerical simulation model of air gasification of rice husks is developed using the Aspen Plus to investigate the feasibility of producing hydrogen-rich syngas. The model is experimentally validated with rice husk gasification results and other published studies. The influence of temperature and equivalence ratio on the syngas composition, H2 yield, LHVSyngas, H2/CO ratio, CGE, and PCG was studied. Furthermore, the synchronized effects of temperature and ER are studied using RSM to determine the operational point of maximizing H2 yield and PCG. The RSM analysis results show optimum performance at temperatures between 820 °C and 1090 °C and ER in the range of 0.06–0.10. The findings show that optimal operating conditions of the gasification system can be achieved at a more refined precision through simulations coupled with advanced optimization techniques.show moreshow less

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Metadaten
Author:Emmanuel Yeri Kombe, Nickson Lang'at, Paul Njogu, Reiner Malessa, Christian-Toralf Weber, Francis Njoka, Ulrich Krause
URL:https://linkinghub.elsevier.com/retrieve/pii/S096085242201063X
ISSN:0960-8524
Parent Title (English):Bioresource Technology
Publisher:Elsevier
Document Type:Article
Language:English
Year of Publishing:2022
Date of Publication (online):2023/10/11
Year of first Publication:2022
Publishing Institution:Technische Hochschule Brandenburg
Release Date:2023/10/11
Volume:361
Article Number:127734
Page Number:11
First Page:1
Last Page:11
Institutes:Fachbereich Technik
open_access (DINI-Set):open_access
University Bibliography:Hochschulbibliografie
Licence (German):Creative Commons - CC BY - Namensnennung 4.0
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