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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29010


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12143
Recycling Organic Waste in Suan Sunandha Rajabhat University as Compost
Authors:
Abstract:
This research aimed to study on the potential of recycling organic waste in Suan Sunandha Rajabhat University as compost. In doing so, the composition of solid waste generated in the campus was investigated while physical and chemical properties of organic waste were analyzed in order to evaluate the portion of waste suitable for recycling as compost. As a result of the study, it was found that (1) the amount of organic waste was averaged at 299.8 kg/day in which mixed food wastes had the highest amount of 191.9 kg/day followed by mixed leave & yard wastes and mixed fruit & vegetable wastes at the amount of 66.3 and 41.6 kg/day respectively; (2) physical and chemical properties of organic waste in terms of moisture content was between 69.54 to 78.15%, major elements for plant as N, P and K were 0.14 to 0.17%, 0.46 to 0.52% and 0.16 to 0.18% respectively, and carbon/nitrogen ratio (C/N) was about 15:1 to 17.5:1; (3) recycling organic waste as compost was designed by aerobic decomposition using mixed food wastes : mixed leave & yard wastes : mixed fruit & vegetable wastes at the portion of 3:2:1 by weight in accordance with the potential of their amounts and their physical and chemical properties.
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References:

[1] A. Thapinta, An Introduction to Solid Waste Management. Bangkok: Chulalongkorn University Press, 2010, p. 6.
[2] Pollution Control Department, Annual Report of Environmental Pollution in Thailand by the Year 2004. Bangkok: Ministry of Natural Resources and Environments, 2005.
[3] K.L. Shah, Basics of Solid and Hazardous Waste Management Technology. New Jersey: Prentice Hall, 2000, p. 137.
[4] Land Development Department, Manual of Land Evaluation for Economic Crops in Thailand. Bangkok: Ministry of Agriculture and Cooperatives, 1999.
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