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

Author

Listed:
  • Wu, Qiong
  • Huang, Lang
  • Yu, Shitao
  • Liu, Shiwei
  • Xie, Congxia
  • Ragauskas, Arthur J.

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.

Suggested Citation

  • Wu, Qiong & Huang, Lang & Yu, Shitao & Liu, Shiwei & Xie, Congxia & Ragauskas, Arthur J., 2017. "Structural elucidation of hydro-products from hydrothermal carbonization of loblolly pine at different temperatures using NMR techniques," Energy, Elsevier, vol. 133(C), pages 171-178.
    • Handle: RePEc:eee:energy:v:133:y:2017:i:c:p:171-178
    DOI: 10.1016/j.energy.2017.05.040
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