Biogas production from biological methanation of syngas

Biogas to be used as gas vehicle fuel is a highly potential source to meet transport fuel demand and give a significant contribution to the Swedish target: vehicle fleet independent of fossil fuels by 2030. At present the biogas market is limited by the amount of available organic waste and the associated infrastructure. To overcome these issues, biomass could either be gasified into syngas and synthesized into bio-SNG (Synthetic Natural Gas) through catalytic methanation, or biomass gasification could be integrated into the biogas system to produce methane through biological methanation. Biomass gasification integrated in biological methanation is a relatively new idea and technology. Syngas conversion to methane by anaerobic cultures is practically unexplored, and few reports are available on this subject. Nevertheless, the pathway has been receiving intensive attractions and R&D recent years. For this purpose, a novel pathway by integrating biomass gasification into biogas system is studied in detail. This paper reviews the whole process from integration of biomass gasification into the biogas system to methane production through biological methanation: Biomass gasification > H2+CO > Biogas digester > Upgrading > Natural gas network.

Söderlind, UlfMittuniversitetet,Avdelningen för kemiteknik(Swepub:miun)ulfsod (författare)
Zhang, WennanMittuniversitetet,Avdelningen för kemiteknik(Swepub:miun)wenzha (författare)
MittuniversitetetAvdelningen för kemiteknik (creator_code:org_t)

Ingår i:European Biomass Conference and Exhibition Proceedings: ETA-Florence Renewable Energies, s. 512-515

Av författaren/redakt...: Göransson, Krist ...; Söderlind, Ulf; Zhang, Wennan

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