Water removal from wood biomass by liquefied dimethyl ether for enhancing heating value

Siti Machmudah*, Dimas Tiar Wicaksono, Mary Happy, Sugeng Winardi, Wahyudiono, Hideki Kanda, Motonobu Goto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Liquefied dimethyl ether (DME) was used as the dewatering solvent to remove water from Tectona grandis L.f. (T. grandis L.f.), Shorea sp., and Cinnamomum camphora (C. camphora) biomass wood. The experiments were performed at 27 °C (room temperature) and at a pressure of ∼0.59 MPa using a batch system. The results showed that 13–25 g of liquefied DME removed 1 g of water from the wood chip biomass matrix with a water content of 10%–40%. The UV–vis spectra of the collected liquid extract indicated the presence of some wood biomass-derived compounds. The FT-IR spectra revealed that the functional group compositions of the wood chip biomass samples before and after DME dewatering were identical. In addition, the heating value of wood chip biomass samples increased by 754–1570 kJ/kg after dewatering.

Original languageEnglish
Pages (from-to)824-831
Number of pages8
JournalEnergy Reports
Volume6
DOIs
Publication statusPublished - Nov 2020

Keywords

  • Biomass
  • Dewatering
  • Dimethyl ether
  • Heating value
  • Wood

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