Today a short post – multi-media style – with some videos of anaerobic digesters that are built for farm-scale and municipal-scale operation. This continues the look at anaerobic digestion as a process to handle agricultural and other waste as an alternative to incinerator burning in a more traditional plant such as the ones Fibrowatt proposes to operate in the Shenandoah Valley and has installed in Benson, MN.
While both processes have their pros and cons, the conclusion I am drawing from these case studies is the amount of air pollution produced during the process is much lower with anaerobic digestion, while the outputs – electricity and byproducts – are essentially similar.
That said, here you go…two videos at US farms, one of a UK based municipal plant that uses food waste, and a fourth that uses plant waste – all of which are in operation and well established, so data for comparison should be readily available.
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