Micro-survivors: Archaea manage biological methanization despite ash and tar

Newly developed process for coupling gasification and biological methanisation opens up low-cost wood-like material sources

A team from science and practice in the BMWi's "Biomass Energy Use" funding area is researching how thermochemical gasification of woody biomass and microbial production of methane can be efficiently coupled. The main focus was on specific microorganisms (archaea) and how they can maintain biological methanisation even under difficult conditions. The findings not only contribute to the economic optimisation of biogas plants by cross-linking nutrient solution streams. Above all, they open up new, sustainable and cost-effective sources of raw materials.

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The entire press release can be read here (only in German).

Pressure-charged laboratory fermenter at FAU (Source: FAU)
Outline of the Ash-to-Gas project idea (Source: FAU)

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