trash from food

Posted: November 19, 2011 in Global Trash
Tags: , , , , , ,


Food waste

Biogas, a renewable substitute for natural gas, is generated by the breakdown of organic waste in an anaerobic digester (AD). Urban waste, including wastewater treatment plants, food waste from households and businesses, yard clippings and non-recyclable paper, will create biogas under the right conditions. (Manure from dairies, and sludge from wastewater treatment plants can also be used.) While many facilities in Europe produce biogas exclusively from food scraps, similar facilities in the US are just now being developed. Biogas can be used to generate electricity and with minimal treatment, can be substituted for traditional natural gas in power plants, homes, vehicles and businesses. The AD process also creates useful byproducts like pathogen-free fertilizer, animal bedding and compost.

via American Biogas Council.


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