Comparison of aerobic and anaerobic degradation of municipal solid waste in bioreactor landfills

Two landfill bioreactors were operated under aerobic and anaerobic conditions in a thermo-insulated room at a constant temperature of 32 °C. Reactors were filled with 19.5 kg of shredded synthetic solid waste prepared according to the average municipal solid waste compositions determined in Istanbul...

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Bibliographic Details
Published in:Bioresource technology 2008-09, Vol.99 (13), p.5418-5426
Main Authors: Erses, A. Suna, Onay, Turgut T., Yenigun, Orhan
Format: Article
Language:English
Subjects:
Aerobic
Aerobiosis
Anaerobic
Anaerobiosis
Applied sciences
Biological and medical sciences
Bioreactor
Bioreactors
Biotechnology
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
Kinetics
Landfill
Leachate recirculation
Metals
Methods. Procedures. Technologies
Nitrogen
Organic Chemicals
Phosphorus
Pollution
Refuse Disposal - methods
Sewage
Temperature
Turkey
Various methods and equipments
Waste Disposal, Fluid
Wastes
Water Pollutants, Chemical
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Summary:Two landfill bioreactors were operated under aerobic and anaerobic conditions in a thermo-insulated room at a constant temperature of 32 °C. Reactors were filled with 19.5 kg of shredded synthetic solid waste prepared according to the average municipal solid waste compositions determined in Istanbul and operated under wet-tomb management strategy by using leachate recirculation. Aerobic conditions in the reactor were developed by using an air compressor. The results of experiments indicated that aerobic reactor had higher organic, nitrogen, phosphorus and alkali metal removal efficiencies than the anaerobic one. Furthermore, stabilization time considerably decreased when using aerobic processes with leachate recirculation compared to the anaerobic system with the same recirculation scheme.
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2007.11.008