한빛사논문
연세대학교
Raj Moryaa,1, Tirath Raja,1, Youngkyu Leea, Ashutosh Kumar Pandeya, Deepak Kumarb, Reeta Rani Singhaniac, Saurabh Singhd, Jay Prakash Vermad, Sang-Hyoun Kima
aSchool of Civil and Environmental Engineering, Yonsei University, Seoul 03722, Republic of Korea
bDepartment of Chemical Engineering, SUNY College of Environmental Science and Forestry, Syracuse, NY 13210, USA
cDepartment of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
dInstitute of Environment and Sustainable Development, Banaras Hindu University, Varanasi, India
1Raj Morya and Tirath Raj contributed equally and shares equal authorship.
Corresponding author: Sang-Hyoun Kim
Abstract
Biohydrogen (bio-H2) is regarded as a clean, non-toxic, energy carrier and has enormous potential for transforming fossil fuel-based economy. The development of a continuous high-rate H2 production with low-cost economics following an environmentally friendly approach should be admired for technology demonstration. Thus, the current review discusses the biotechnological and thermochemical pathways for H2 production. Thermochemical conversion involves pyrolysis and gasification routes, while biotechnological involves light-dependent processes (e.g., direct and indirect photolysis, photo/ dark fermentation strategies). Moreover, environmentally friendly technologies can be created while utilizing renewable energy sources including lignocellulosic, wastewater, sludge, microalgae, and others, which are still being developed. Lifecycle assessment (LCA) evaluates and integrates the economic, environmental, and social performance of H2 production from biomass, microalgae, and biochar. Moreover, system boundaries evaluation, i.e., global warming potential, acidification, eutrophication, and sensitivity analysis could lead in development of sustainable bioenergy transition with high economic and environmental benefits.
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