Bioresource Technology 249 (2018) 574–581 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech The eﬀects of temperature and color value on hydrochars’ properties in hydrothermal carbonization a, a,b b a,b a c Hui Li , Siyuan Wang , Xingzhong Yuan , Yanni Xi , Zhongliang Huang , Mengjiao Tan , Changzhu Li Institute of Biological and Environmental Engineering, Hunan Academy of Forestry, Changsha 410004, PR China College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China College of Resource and Environment, Hunan Agricultural University, Changsha 410128, PR China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In order to investigate the inﬂuence of hydrothermal carbonization (HTC) on the properties of the hydrochars, Biomass sawdust with a particle size below 0.45 mm was treated in an autoclave at 200–260 °C. The physical and che- Hydrochars mical characteristics of products were studied, including proximate analysis, elemental composition, ﬁber Color measurement content, surface area, bulk density, energy yield, color value, combustion activities and pyrolysis kinetics, etc. It Combustion behavior showed that the color of hydrochars turned blacker, greener, and bluer after HTC. The ash, carbon, hydrogen and Kinetics lignin contents showed a good correlation (R > 0.96)
Bioresource Technology – Elsevier
Published: Feb 1, 2018
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