This is the first pilot plant of its kind in Spain, based on a sustainable system for the production of biogas in biodiesel plants using organic waste from restaurant leftovers, the food industry and the sub products from the actual biodiesel plant. As of 2011, the Waste Framework Directive requires these sectors to separate the organic waste they produce for reuse. Spain’s food and beverage industry generates more than 500,000 tons of organic waste a year, and more than 14 million tons of surplus materials in the food industry. The pilot plant consists of 2 automatic and integrated modules: a 10 m3 anaerobic digester and a cogeneration engine which produces electricity and heat which can either be used in the production process or sold. The engine has been adapted in order to use biogas as a fuel, together with glycerine from the biodiesel production process. The following organisations are taking part in this project: the Ainia Technology Centre; the Bionorte biodiesel production plant, part of the Isastur Group; Biogás Fuel Cell and the CIDAUT Technology Centre. Sources: www.bioenergyinternational.es and www.integral-b.com
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