We have been using an anaerobic digestion technique for years to break down sewage sludge and other substrates using microorganisms. Since an anaerobic digester produces methane and utilizes it to power a gas engine, we think it's the greatest choice. Temperatures of at least 25 degrees Celsius are necessary for anaerobic digestion, and these temperatures are found practically everywh... https://woggroup.com/industrial-process-water.html