Structural elucidation of hydro-products from hydrothermal carbonization of loblolly pine at different temperatures using NMR techniques

Qiong Wu, Lang Huang, Shitao Yu, Shiwei Liu, Congxia Xie and Arthur J. Ragauskas

Energy, 2017, vol. 133, issue C, 171-178

Abstract: Structural properties and functional groups variations of hydro-products from hydrothermal carbonization (HTC) of loblolly pine at 180, 200, 220, 240 and 260 °C were investigated in this paper. More than 50% fixed carbon content can be obtained in solid products, indicating HTC is a valued carbon sequestration method. The Higher Heating Value (HHV) of the solid residue from 260 °C reached 30.74 MJ/kg, nearly 1.53 times that of untreated pine. Higher temperature benefit for the generation of condensed aromatic structure especially at 240 °C, while 260 °C more conductive to etherification and aryl-condensation substitution reaction.

Keywords: Biomass energy; Carbonaceous materials; Thermal conversion; NMR techniques (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:133:y:2017:i:c:p:171-178

DOI: 10.1016/j.energy.2017.05.040

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