An Estimation of Solid Waste Generation and Recycling and Composting Potential at Educational Facilities: A Case Study in Hue City, Vietnam
Journal Title: Journal of Environmental and Social Sciences - Year 2016, Vol 3, Issue 1
Abstract
This study was undertaken to characterize the solid waste generation at educational facilities in Hue, Vietnam. The authors surveyed 35 educational facilities within six categories of schools for seven consecutive days. The waste generation rates by facility, student, classroom, staff member, and floor area were assessed by school category using the following three waste categories: general waste (GW), separated recyclables (SR), and separated food residue (SFR). To determine the potential for composting and recycling from the disposal amount, GW was classified and measured by 10 physical categories and 77 sub-categories. Plastic, paper, and food waste were dominant in most of the school categories. The total waste generated from educational facilities in Hue was determined by extrapolating the total number of facility/student in Hue and the waste generation rate by facility/student. The total waste generated was estimated to be 5.76 tons/day, of which 3.29 tons/day (57.2%) was GW, 0.15 tons/day (2.6%) was SR, and 2.33 tons/day (40.5%) was SFR. The authors also revealed a considerable potential to recycle and compost remaining in GW, at rates of 1.11 tons/day (19.3%) and 1.29 tons/day (22.4%), respectively. The total amount sent to a landfill could be reduced from 3.29 tons/day (57.2%) to 0.89 tons/day (15.5%). A detailed breakdown of the recycling and composting potential is also analyzed and discussed for use in policy making decisions. Through the Monte Carlo simulation, the 95% confidence interval of the total waste amount was estimated to be 4.85-7.71 tons/day.
Authors and Affiliations
Yasuhiro Matsui
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