화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.28, No.9, 1867-1872, September, 2011
DOI10.1007/s11814-011-0176-4  Export Citation
The pyrolysis of waste mandarin residue using thermogravimetric analysis and a batch reactor
Jeong Wook Kim1, See-Hoon Lee2, Seong-Soo Kim2, Sung Hoon Park3, Jong-Ki Jeon4, and Young-Kwon Park1, 5, †
  • 1Graduate School of Energy and Environmental System Engineering, University of Seoul, Seoul 130-743, Korea
  • 2Korea Institute of Energy Research, Daejeon 303-343, Korea
  • 3Department of Environmental Engineering, Sunchon National University, Suncheon 540-742, Korea
  • 4Department of Chemical Engineering, Kongju National University, Cheonan 331-717, Korea
  • 5School of Environmental Engineering, University of Seoul, Seoul 130-743, Korea
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A study on the pyrolysis of waste mandarin residue, with the aim of producing bio-oil, is reported. To elucidate the thermodynamics and temperature-dependency of the pyrolysis reaction of waste mandarin residue, the activation energy was obtained by thermogravimetric analysis. Mass loss occurred within the temperature range 200-750 ℃, and the average activation energy was calculated to be 205.5 kJ/mol. Pyrolysis experiments were performed using a batch reactor, under different conditions, by varying the carrier gas flow rate and temperature. When the carrier gas flow rate was increased from 15 to 30 and finally to 50ml/min, the oil yield slightly increased. Experiments performed within the temperature range 400-800 ℃ showed the highest oil yield (38.16 wt%) at 500 ℃. The moisture content in the bio-oil increased from 35 to 45% as the temperature increased from 400 to 800 ℃, which also resulted in reduction of the oxygenates content and increase in the phenolics and aromatics content, indicating that temperature is an important operating parameter influencing the yield and composition of bio-oil.
Keywords:Waste Mandarin Residue;Pyrolysis;TGA;Bio-oil
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