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Advanced Evaluation of a Biomass Externally Fired Hydrogen Production Combined Cycle
Author(s) -
Moharramian Anahita,
Habibzadeh Amin,
Soltani Saeed,
Rosen Marc A.,
Mahmoudi Seyed Mohammad Seyed
Publication year - 2021
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.202100180
Subject(s) - exergy , gas compressor , exergy efficiency , process engineering , combined cycle , wood gas generator , environmental science , hydrogen production , gas turbines , hydrogen , biomass (ecology) , turbine , thermodynamics , waste management , nuclear engineering , engineering , chemistry , mechanical engineering , physics , coal , oceanography , organic chemistry , geology
Hydrogen is produced by an externally fired combined cycle and can be consumed in different ways. For the present study, both common and realistic thermodynamic and exergoeconomic analyses were applied. With the realistic method, the results are not necessarily in accordance with common analyses. The compressor pressure ratio ( r p ) and the gas turbine inlet temperature (TIT) are the varying parameters in common analyses. Varying r p identifies optimum energy and exergy efficiencies. With the common exergy analysis, the gasifier and the heat recovery steam generator have low exergy efficiencies, but the modified analysis assigns high exergy efficiencies to them.