Design of A Biomass-Fueled System to Produce Hydrogen/Power: Environmental Analyses and Bi-Objective Optimization**

Hai, Tao and Ali, Masood Ashraf and Alizadeh, As'ad and Almojil, Sattam Fahad and Singh, Pradeep Kumar and Almohana, Abdulaziz Ibrahim and Almoalimi, Khaled Twfiq and Alali, Abdulrhman Fahmi (2024) Design of A Biomass-Fueled System to Produce Hydrogen/Power: Environmental Analyses and Bi-Objective Optimization**. International Journal of Hydrogen Energy, 52. ISSN 03603199

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Abstract

Due to the fact that biomass fuel is capable of powering multi-generation systems, has a high-efficiency performance, and produces fewer harmful gases, biomass fuel can prove to be a valuable heat source. In this regard, this study introduces a new biomass-fueled power and hydrogen generation scheme. There are three subsystems involved in the study: a biomass-based gas turbine cycle, a steam flash cycle, and an electrolyzer unit. To begin, a parametric analysis is performed on the system from the perspectives of thermodynamics, thermoeconomic, and the environment. As a next step, four effective variables are evaluated for single-objective and bi-objective optimizations in order to determine the optimal working conditions. The results of bi-objective optimization indicate 48.78% and 41.40% energy and exergy efficiencies for the presented system, separately, with 8093 kW output power, 86.1 kg/day hydrogen production, 8684 t/MWh CO2 emission, and 27.9 $/MWh Levelized Cost of Product. Compared to the base condition, hydrogen production grows 29.78%, but output power drops by 1.14%. Furthermore, hydrogen Production Optimum Design accounts for the maximum amount of hydrogen production in optimal conditions, producing 94.73 kg/day. The gasifier destroys the most exergy under base and optimum conditions.

Item Type: Article
Uncontrolled Keywords: Biomass Fuel, Hydrogen Generation, Multi-Generation Systems, Bi-Objective Optimization, Exergy Efficiency.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Department of Civil Engineering > Research papers
Depositing User: ePrints Depositor
Date Deposited: 30 Oct 2024 21:49
Last Modified: 30 Oct 2024 21:49
URI: https://eprints.cihanuniversity.edu.iq/id/eprint/2274

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