De-packaging feedstock for digestion

摘要

Packaged food waste is a valuable commodity and a rich source of material for anaerobic digestion (AD) plants. Popular feedstock materials are packaged supermarket and kerbside collected kitchen waste and municipal waste - all of which generally arrive in plastic, biodegradable or starch bags. Starch bags can cause a number of problems in anaerobic digesters and, if not removed, can block pumps and screw conveyors and take up valuable space in the digesters. The bags will not degrade in the digesters as they require air (aerobic).