화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.13, No.2, 176-181, March, 2007
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Catalytic Degradation of Polyethylene by Al-MCM-41: Comparison of Post-Synthetic Metal Grafting and Direct Sol-Gel Synthesis Methods
Jong-Ki Jeon, Young-Kwon Park1, †, Seungdo Kim2, Seung-Soo Kim3, Jin-Heong Yim4, and Jung Min Sohn5
  • Department of Chemical Engineering, Kongju National Universtiy, Gongju 314-701, Korea
  • 1Faculty of Environmental Engineering, University of Seoul, Seoul 130-743, Korea
  • 2Department of Environmental Sys. Eng., Hallym University, Chunchon 200-702, Korea
  • 3Research Center, Korea Institute of Petroleum Quality, Cheongwon 363-883, Korea
  • 4Divsion of Advanced Materials Engineering, Kongju National Universtiy, Gongju 314-701, Korea
  • 5Department of Mineral Resource & Energy Eng., Chounbuk National University, Jeonju 561-756, Korea
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The pyrolysis characteristics of high-density polyethylene (HDPE) were investigated over Al-MCM-41 catalysts synthesized through post-synthetic grafting (Al-MCM-41-P) and direct sol-gel (Al-MCM-41-D) methods. To estimate the activation energy of the catalytic decomposition reaction, thermogravimetric analysis was carried out under static conditions. Lower activation energies for the catalytic decomposition reaction of HDPE were observed when Al-MCM-41-P was applied. The higher catalytic activity of Al-MCM-41-P seems to be due to the easier accessibility to active sites and smaller pore diameters. However, both incorporation methods of Al into MCM-41 provided similar pyrolysis products. Al-MCM-41-P would be more competitive in the pyrolysis of HDPE because of its higher catalytic activity relative to that of Al-MCM-41-D.
Keywords:HDPE;Pyrolysis;MCM-41;TGA;Aluminum incorporation
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