期刊
BIORESOURCE TECHNOLOGY
卷 369, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.128380
关键词
Algal biomass; Circular economy; Hydrogen; Lignocellulosic biomass; Pretreatment
Lignocellulosic and algal biomasses are vital for establishing a green hydrogen supply chain. However, the low digestibility of these biomasses in biorefinery processes is a pressing issue. This study reviews current biomass pretreatment methods and evaluates their technological and economic feasibility for promoting biohydrogen production in dark fermentation. The review also discusses the prospects of these pretreatments in terms of carbon neutrality and circular economy.
Lignocellulosic and algal biomasses are known to be vital feedstocks to establish a green hydrogen supply chain toward achieving a carbon-neutral society. However, one of the most pressing issues to be addressed is the low digestibility of these biomasses in biorefinery processes, such as dark fermentation, to produce green hydrogen. To date, various pretreatment approaches, such as physical, chemical, and biological methods, have been examined to enhance feedstock digestibility. However, neither systematic reviews of pretreatment to promote biohydrogen production in dark fermentation nor economic feasibility analyses have been conducted. Thus, this study offers a comprehensive review of current biomass pretreatment methods to promote biohydrogen production in dark fermentation. In addition, this review has provided comparative analyses of the technological and economic feasibility of existing pretreatment techniques and discussed the prospects of the pretreatments from the standpoint of carbon neutrality and circular economy.
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