A Chinese Biogas Manual: Popularising Technology in the Countryside

The production of biogas, which is regarded in many countries as a by-product of an efficient system of energy production, has become in China a comprehensive, controlled method of waste disposal, recycling resources, supplying energy and fertilizer and improving rural health, as the digesting of wastes in a closed container kills many of the pathogens responsible for common human diseases. There are already approximately seven million biogas pits in opertion, with Sichuan (Szechuan) provin...