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Title: Thermogravimetric investigation of hydrochar-lignite co-combustion
Authors: Liu, Z.
Quek, A.
Kent Hoekman, S.
Srinivasan, M.P. 
Balasubramanian, R. 
Keywords: Co-combustion
Thermogravimetric analysis
Issue Date: Nov-2012
Citation: Liu, Z., Quek, A., Kent Hoekman, S., Srinivasan, M.P., Balasubramanian, R. (2012-11). Thermogravimetric investigation of hydrochar-lignite co-combustion. Bioresource Technology 123 : 646-652. ScholarBank@NUS Repository.
Abstract: Co-combustion of hydrochar with lignite was investigated by means of thermogravimetric analysis. Hydrochars were produced from coconut fibers and eucalyptus leaves under hydrothermal conditions at 250 °C. The hydrochar was added in varying amounts to lignite for combustion. The results indicated that hydrothermal treatment decreased the volatile matter content and increased the fixed carbon content of the biomaterials. The elevated energy density and decreased ash content of the hydrochar improved its combustion behavior when co-fired with lignite for energy production. The hydrochars derived from coconut fiber and eucalyptus leaves had similar chemical compositions and showed similar influences on lignite combustion. Hydrochar addition increased the burnout and shortened the combustion range of the hydrochar-lignite blends. High combustion efficiency was observed due to the synergistic interactions between hydrochar and lignite during the co-combustion process. A kinetic study showed that the combustion process of hydrochar-lignite blends followed first-order reaction rates. © 2012.
Source Title: Bioresource Technology
ISSN: 09608524
Appears in Collections:Staff Publications

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