Evaluation of municipal solid waste composting kinetics |
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| Authors: | M F Hamoda H A Abu Qdais J Newham |
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| Institution: | aDepartment of Civil Engineering, College of Engineering and Petroleum, Kuwait University, P.O. Box 5969, 13060 Safat, Kuwait;bDepartment of Civil Engineering, University of Newcastle, Newcastle, UK;cDepartment of Chemical &; Life Science, University of Northumbria at Newcastle, Newcastle, UK |
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| Abstract: | Most modern municipal solid waste (MSW) composting operations have emphasized the enhancement of decomposition of the organic fraction of the waste to comply with strict environmental regulations. This can be achieved once the composting process kinetics are well understood. This study examined process kinetics through experimentation with bench-scale reactors under controlled composting conditions to show the interdependence between biological, chemical and physical factors during composting of MSW. The effects of temperature, moisture content, waste particle size and carbon to nitrogen (C/N) ratio on process kinetics were evaluated. The results obtained revealed that these factors should be carefully controlled in order to achieve optimum process performance. It has been found that the organic matter degradation during composting follows a first-order kinetic model. |
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| Keywords: | Waste treatment Solid wastes Municipal engineering Composting Reaction kinetics Thermal effects Moisture Particle size analysis Municipal solid wastes Carbon to nitrogen ratio |
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