Michael Vedel Wegener Kofoed

TL;DR: Findings illustrate the adaptability of the methanogen population to H2 injections and positively affects the implementation of biomethanisation, which may ultimately decide the biogas upgrading potential.

TL;DR: The organic loading rate, the inorganic carbon level and level of methanogen adaption hence determine acetate kinetics during biomethanation of H2 and may form the base of a decision tool to assess acetate accumulation during H2 injections to an anaerobic digester.

TL;DR: Diversity analysis and targeted quantification of periplasmic nitrate reductase (napA) genes indicated that most resident Deferribacteres possessed the functional potential to contribute to nitrate reduction in the system.

TL;DR: It is demonstrated that some SRB, presumably those able to tolerate or detoxify nitrite, will persist in sulfidogenic wastewater biofilms despite continuous exposure to high levels of nitrate, and nitrate is therefore unlikely to provide lasting hydrogen sulfide suppression in wastewaterBiofilms harboring Desulfovibrio or Desulfomicrobium populations.

TL;DR: In this article, the authors investigated the H2 mass transfer potential of a venturi-type injector through injections of up to 33.5m3 H2 into a 1200m3 anaerobic digester under normal operation.