ARTI, India, Biogas from the decomposition of food - Ashden winners

This video can be downloaded from: ARTI won an Ashden Award www.ashdenawards.org Sustainable Energy in 2006. For more information, visit the link above and check the Ashden Awards Blog ashdenawards.blogspot.com The case Rural Technology Institute (ARTI) in Pune has a biogas plant which uses food waste as raw material for fertilizer and biogas for cooking developed. The system is compact enough to be used by urban households, and 700 are currently in use. Pune is arelatively prosperous city in southern India, and many people use liquid petroleum gas (LPG) or kerosene for cooking. Food waste is often discarded on the side of the road, as in many cities, attracting stray dogs, flies and rats and creating a threat to public health. The ARTI compact biogas plant consists of two standard high-density polyethylene (HDPE) water tanks for the larger tank acts as the digester and the smaller one is inverted and made to serve as support gas. The security systemdigests kitchen waste, food waste or waste flour mills, then the problem of disposal. A 1,000-liter plant produces enough biogas to at least halve the use of LPG or kerosene for cooking in a family and a small amount of sewage that can be used as fertilizer. ARTI has developed the technology, field-tested, and manages the delivery of about 700 biogas plants in Maharashtra. About 100 plants are installed every month. The first prize Ashden...