This paper addresses whether synergistic interaction or additive behavior govern the co-combustion characteristics of lignite and biochars produced from hybrid poplar (HP), ash tree (AT), and rhododendron (RH). The biochars were blended with lignite and the burning behavior was investigated by thermal analysis. Upon carbonization, fundamental change occurred in the burning mechanisms of biomass from homogeneous to heterogeneous reactions. Blending the lignite with biochars led to improvement in the calorific value and reductions in the ash yield. Carbonization limited the high reactivity of biomass, and the reactivities of biochars became closer to the lignite's reactivity, consequently they burned in accord without segregation.
Synergistic Investigation for Co-Combustion of Biochars and Lignite—Thermogravimetric Analysis Approach
Chemical Engineering Department,
Istanbul Technical University,
Maslak, Istanbul 34469, Turkey
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received May 31, 2018; final manuscript received July 11, 2018; published online September 17, 2018. Assoc. Editor: Matthew Oehlschlaeger.
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Haykiri-Acma, H., and Yaman, S. (September 17, 2018). "Synergistic Investigation for Co-Combustion of Biochars and Lignite—Thermogravimetric Analysis Approach." ASME. J. Thermal Sci. Eng. Appl. February 2019; 11(1): 011006. https://doi.org/10.1115/1.4040992
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