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November 2017

Wiefferink: the Flexfermenter is a low cost high quality biodigester

The Flexfermenter double membraned combined biogas digester and gas store

Combining the best features of the Wiefferink Air Blown Cover and the Wiefferink Combibag to create a second generation low capital cost high quality primary or secondary anaerobic digester to make return on investment and payback periods more attractive in the world where RHI and Feed In Tariffs are at a non sustaining low for traditional biogas plants.