Probably most people know that when organic matter such as kitchen waste rots, it can produce flammable methane. As a source of free energy it’s attractive, but making a biogas plant sounds difficult, ...

Seasonal celebrations cause spikes in certain food waste, which can either rot in landfill or be fed as a slurry to the microorganisms responsible for producing biogas through anaerobic digestion (AD) ...

Researchers from the University of Jyväskylä and the Natural Resources Institute Finland have discovered that ash appears to be an excellent additive in the anaerobic digestion process in terms of ...