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Title	Production efficiency and economic benefit evaluation of biohydrogen produced using macroalgae as a biomass feedstock in Asian circular economies
ID_Doc	25694
Authors	Lee, DH
Title	Production efficiency and economic benefit evaluation of biohydrogen produced using macroalgae as a biomass feedstock in Asian circular economies
Year	2022
Published	International Journal Of Hydrogen Energy, 47, 96
Abstract	This study uses three data envelopment analysis models to determine the production efficiency of biohydrogen which is produced from macroalgae and other sources by dark fermentation. The efficiency of macroalgae is greatest in batch mode for S. Japonica using a sDFMEC process at pH 5.3, 35 degrees C, 1 g COD/L and a hydrogen production rate (HPR) of 0.34 L/L/h. The highest efficiency is using an internal circulation batch reactor in continuous mode for beverage waste water. The HPR and substrate concentration are the most important factor of biohydrogen efficiency, and efficiency and temperature are the most important factors of HPR. Malaysia and India are the two economies that most benefit from increased production efficiency due to the use of macroalgae. Increasing biohydrogen yield efficiency will improve macroeconomic growth and establish a renewable hydrogen and biohydrogen industry, which is especially efficient related to the economic recovery during the COVID-19 pandemic. (c) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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