Abstract

High Pressure Differential Scanning Calorimetry was used to study the thermal-analytical properties of refuse derived fuels. Under oxidizing conditions, thermograms exhibit four characteristic peaks ∼ 215°C, ∼ 325°C, ∼ 435°C and ∼ 475°C. By comparison with studies on newsprint and polyethylene the peaks are identified with the smoldering combustion of plastics, cellulosic materials and two types of char, respectively. Similarities and differences between thermograms of refuse derived fuels and coal samples are noted. The variability of thermal-analytical properties as a function of process parameters, sampling, and source was determined. Finally, data from pyrolytic studies using thermogravimetry as well as scanning calorimetry are presented.

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