Physicochemical properties of hydrothermally treated peat fuel obtained from Mempawah-West Kalimantan: Influence of hydrophilicity index on carbon aromaticity and combustibility

Anggoro Tri Mursito, T. Hirajima, L. N. Listiyowati

研究成果: Contribution to journalConference article

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Mempawah peat of West Kalimantan was selected as raw material for studying the physicochemical properties of peat fuel products and their characteristic in the hydrothermal upgrading process at a temperature range of 150°C to 380°C at an average heating rate of 6.6°C/min for 30 minutes. The 13C NMR spectra revealed changes in the effect of temperature on carbon aromaticity of raw peat and peat fuel products which were in 0.39 to 0.63 as the temperature increased. Other phenomenon occurring during the experiment was hydrophilicity index of peat fuel surface decreases of about 1.7 and 1.4 with increased treatment temperature. We also found that hydrothermal upgrading also affected the combustion properties of peat fuel products. Ignition temperature of raw peat and solid products were at 175°C and between 188°C to 285°C respectively. Temperature at the maximum combustion rate of raw peat and solid products was at 460°C, and between 477°C to 509°C were suggested to the increasing of reactivity of solid products respectively. Here, we discussed several phenomenon of the peat fuel product during hydrothermal process with a respect to the change in the physicochemical properties as determined by Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetric and Differential Thermal Analysis (TG-DTA) analyses, 13C NMR and also other supporting analytical equipment.

元の言語英語
記事番号012069
ジャーナルIOP Conference Series: Earth and Environmental Science
118
発行部数1
DOI
出版物ステータス出版済み - 2 22 2018
イベント1st Global Colloquium on GeoSciences and Engineering, GCGE 2017 - Bandung, インドネシア
継続期間: 10 18 201710 19 2017

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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