Performance assessment of a biomass fuelled advanced hybrid power generation system

Dibyendu Roy, Samiran Samanta and Sudip Ghosh

Renewable Energy, 2020, vol. 162, issue C, 639-661

Abstract: This paper deals with the development and detailed assessment of a biomass-fuelled electrochemical power generation system employing biomass gasification, solid oxide fuel cell, gas turbine, and organic Rankine cycle. The performance of the plant has been monitored with the changes in important operating parameters with respect to energetic, exergetic, economic and environmental points of view. The proposed system yields the maximum 49.29% 1st law efficiency and 44.57% 2nd law efficiency. Exergetic analysis reveals that among all the elements of the system, biomass gasifier is the highest (41.22%) contributor in total exergy destruction, followed by the heat exchanger (14.01%), and the organic Rankine boiler (13.27%). Economic analysis reveals that the plant can generate electricity at a minimum rate of 0.0654 $/kWh. The environmental analysis predicts that the proposed system has a maximum CO2 emission reduction potential of about 2867 tCO2/year compared to a coal-fired sub-critical steam power plant of similar capacity, resulting in an environmental benefit value of about 430014 $/year. This study also reveals that the present system is better compared to previously investigated other biomass-fuelled power generation plants considering the efficiency and economy together.

Keywords: Biomass gasification; Solid oxide fuel cell; ORC; Exergy analysis; Economic analysis; Environmental analysis (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:162:y:2020:i:c:p:639-661

DOI: 10.1016/j.renene.2020.07.030

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