Drying Kinetics Study of the Organic Fraction of Municipal Solid Waste Obtained from Mechanical and Biological Treatment Process


  • Polasak Srinavin นักศึกษา หลักสูตรวิศวกรรมศาสตรมหาบัณฑิต สาขาวิชาวิศวกรรมสิ่งแวดล้อม คณะวิศวกรรมศาสตร์ มหาวิทยาลัยขอนแก่น
  • Surapol Padungthon รองศาสตราจารย์ สาขาวิชาวิศวกรรมสิ่งแวดล้อม คณะวิศวกรรมศาสตร์ มหาวิทยาลัยขอนแก่น


Organic fraction of municipal solid waste, Drying kinetic


This study attempts to reduce moisture content of organic fraction municipal solid waste (OFMSW). The heat energy source from electric heater was used to generated hot air temperatures at various temperature 70, 100 and 130 oC. Increased temperature result in high rate reduced of moisture ratio and drying time. Additionally, 6 mathematical drying kinetic models were investigated to describe the drying characteristic of OFMSW. The result show that the best fitted kinetic model is Wang Singh models in the range of 70 to 130 oC  due to the highest value Coefficient of determination (R2) 0.9915 with low value Reduced Chi-square (ꭓ2) and Root mean Square Error (RMSE) were range of 0.0010 to 00039 and 0.0316 to 0.629, respectively. For the drying of OFMSW was found to be capable of different design and application. For example, used to produce biochar.


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