Biomethanation in a thermophilic biotrickling filter using cattle manure as nutrient media

Mads Ujarak Sieborg, Brian Dahl Jønson, Muhammad Tahir Ashraf, Lars Yde, Jin Mi Triolo*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review


Hydrogenotrophic methanogenesis is a power-to-gas method, biologically converting CO 2 to CH 4 using H 2 generated from electrical power. However, the low rate of gas-liquid mass transfer of H 2 limits the hydrogenotrophic methanogens biocatalyst. We explored hydrogenotrophic methanogenesis using cattle manure as trickling solution by employing a thermophilic biotrickling filter (BTF) with a fixed bed of polyurethane foam. It was found that stable biomethanation was possible with 100% H 2 conversion and specific methane productivity of 2.08 Nm 3 m −3 d −1 at a gas retention time of 1.32 h under thermophilic conditions. The successful use of pasteurized cattle manure, a cost-effective nutrient would enable biomethanation to get one step closer to being economically feasible.

Original languageEnglish
Article number100391
JournalBioresource Technology Reports
Number of pages8
Publication statusPublished - Feb 2020


  • Biogas
  • Biomethane
  • Hydrogen
  • Hydrogenotrophic methanogenesis
  • Power-to-gas
  • Upgrading


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