Michigan State University (MSU) is leading a national movement to transform food and farm waste into clean energy and useful resources. By using advanced anaerobic digestion (AD) systems, MSU is ...

As conversations continue to build among policymakers and industry leaders on how to best address nutrient runoff, energy ...

A recently developed, staged anaerobic fluidized membrane bioreactor (SAF-MBR) system has demonstrated performance comparable to that of conventional activated sludge systems at similar hydraulic ...

Southern Europe has huge potential to expand its use of anaerobic digestion (AD) and biogas, and in the process reduce greenhouse gas emissions and the reliance on imported natural gas, as well as ...

The sludge was returned from the bottom of the settling reactor to the anaerobic reactor. The mixed liquor was ... washing and concentrated nitric acid digestion, as presented by Hu et al. (2003).

Figure 1: Syntrophic communities of bacteria and archaea in a sludge granule from a methanogenic reactor. Several strictly anaerobic bacteria can ferment sugars to acetate, CO 2 and hydrogen.