期刊
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
卷 143, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2021.110949
关键词
Biohydrogen; Water-gas-shift reaction; Methane dry reforming; Anaerobic digestion
资金
- National Research Foundation of Korea (NRF) - Korean government (MSIT) [NRF2019R1A4A1027795]
- Brain Pool Program through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT [NRF2019H1D3A1A01070644]
The review discusses the development of biogas dry reforming, focusing on the effects of biogas composition, reaction conditions, and impurities. Theoretical estimations and thermodynamic calculations demonstrate dry reforming as an effective option for biogas valorization. Challenges and potential future directions are highlighted to pave the way for hybrid biological/chemical processes for hydrogen production.
Biogas is comprised of two major compounds (i.e., CH4 and CO2) derived from fermentation of organic wastes. Therefore, biogas can be used as a source for the generation of syngas (H-2 and CO: through dry reforming of methane). Given that the dominant fraction of biogas is consumed as a feedstock for lower-end products, such as heat and power, dry reforming can be used as an effective option for the valorization of biogas. In this review, we offer up-to-date knowledge on the development of biogas dry reforming in the context of the effects of the composition of the biogas, reaction conditions, and impurities in the biogas. Theoretical estimations of biogas compositions were made along with the compositional matrix of organic substrates. The thermodynamic calculations of dry reforming were also described with other side reactions. In conclusion, the challenges and the potential future directions of this research field were given to help open up new paths toward hybrid biological/chemical processes for H-2 production.
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