As an alternative treatment to hydrothermal carbonization, sewage sludge (SS) was subjected to dry carbonization at temperatures of 200–700 °C to produce pyrochar. The fuel properties of the obtained chars were characterized, and their combustibility was checked by thermal analysis method. The combustibility of the chars was evaluated considering the criteria such as the ignition index (Ci), burnout index (Cb), comprehensive combustibility index (S), and the burning stability index (DW). Although even low temperature treatments such as 200 °C and 300 °C did not improve the calorific value, some improvements took place in the combustion characteristics upon treatment.
Burning Characteristics and the Fuel Properties of the Dry-Carbonization Chars of Sewage Sludge
Chemical Engineering Department,
Istanbul Technical University,
Maslak 34469, Istanbul, Turkey
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received August 16, 2018; final manuscript received October 3, 2018; published online December 6, 2018. Assoc. Editor: Matthew Oehlschlaeger.
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Haykiri-Acma, H., and Yaman, S. (December 6, 2018). "Burning Characteristics and the Fuel Properties of the Dry-Carbonization Chars of Sewage Sludge." ASME. J. Thermal Sci. Eng. Appl. April 2019; 11(2): 021016. doi: https://doi.org/10.1115/1.4041684
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