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Effects of feedstock, airflow rate, and recirculation ratio on performance of composting systems with air recirculation

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dc.creator EKINCI, KAMİL
dc.creator KEENER, HM
dc.creator Akbolat, Davut
dc.date 2006-04-30T21:00:00Z
dc.date.accessioned 2020-10-06T10:59:41Z
dc.date.available 2020-10-06T10:59:41Z
dc.identifier a887a061-b68e-4d44-b07d-e0ea3c580474
dc.identifier 10.1016/j.biortech.2005.04.025
dc.identifier https://avesis.sdu.edu.tr/publication/details/a887a061-b68e-4d44-b07d-e0ea3c580474/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/68677
dc.description The thermodynamics, kinetics. and energy use of composting systems with air recirculation were determined for feedstocks comprising paper mill sludge and biosolids. Results were developed by simulating the composting system using a two-dimensional finite difference numerical model. Incorporated into the simulation model was independent regulation of temperature and oxygen using a closed loop feedback control system with a two-stage fan setting. Results showed that at low airflows and high recirculation ratios, heat removal by the exhaust gas was insufficient to maintain set point temperatures with the result that process temperatures increased and eventually limited the reaction rate. Types of feedstock, magnitude of airflow and recirculation ratio all affected the energy use of the system. Although recirculation leads to high energy use, it can produce high quality compost by having a temperature gradient of less than 2 degrees C across the bed. (c) 2005 Elsevier Ltd. All rights reserved.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Effects of feedstock, airflow rate, and recirculation ratio on performance of composting systems with air recirculation
dc.type info:eu-repo/semantics/article


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