Biogas and anaerobic digestion made number one in HowStuffWorks' list of wacky alternative energy, and poop-to-energy biogas projects have proven popular on Discovery News too. From biogas in Haitian ...

Researchers from the University of Jyväskylä and the Natural Resources Institute Finland have discovered that ash appears to ...

Anaerobic digestion is the most common process used to reduce sewage sludge volume in the world. Digestion is a low-tech treatment process which has two high-volume byproducts which are relevant to ...

This is a preview. Log in through your library . Abstract The formation of toluene in municipal anaerobic primary and secondary sludge digestion processes was investigated. Experiments were carried ...

Americans waste a lot of food — about 133 billion pounds a year, or roughly one-third of all the food produced in the U.S. In addition to squandering money and throwing away a precious resource, all ...