| Title | Biohydrogen yield efficiency and the benefits of dark, photo and dark-photo fermentative production technology in circular Asian economies |
|---|---|
| ID_Doc | 6155 |
| Authors | Lee, DH |
| Title | Biohydrogen yield efficiency and the benefits of dark, photo and dark-photo fermentative production technology in circular Asian economies |
| Year | 2021 |
| Published | International Journal Of Hydrogen Energy, 46, 27 |
| Abstract | Twenty-six new data envelopment analysis (DEA) models with 55 biohydrogen production experiments categorized into three groups including dark fermentation (DF), photo fermentation (PF), and dark-photo sequential fermentation (DF-PF) technologies, are used to evaluate their biohydrogen yield efficiency. The results reveal the average yield effi-ciencies of DF, PF and DF-PF are 0.2844, 0.3460 and 0.7040, respectively. The most efficient overall combination of biohydrogen inputs is PhBR1/Rhodobacter capsulatus B10/Rhodo-bacter capsulatus in DF-PF. Statistical tests demonstrate DF-PF has statistically double the efficiency of PF and DF, and the efficiency of PF significantly exceeds that of DF, supporting some of the literature findings. A flexible DEA model must be carefully chosen when evaluating biohydrogen production. All inputs and outputs of biohydrogen statistically influenced yield efficiency to a significant level. India and Japan are the top two economies benefitting from improved biohydrogen yield efficiency. Improving biohydrogen yield ef-ficiency can improve macroeconomic growth and develop the renewable hydrogen and biohydrogen industry. (c) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved. |
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