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Catalytic degradation of polyethylene over ferrierite

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Abstract

The applicability of ferrierite to the catalytic degradation of polyethylenes, such as highdensity polyethylene (HDPE) and linear low-density polyethylene (LLDPE), and the effect of its acidity have been investigated using a thermogravimetric analyzer and batch reactor. Quantitative analyses of the products were also carried out using GC-MS and GC-FID. The apparent activation energy of the catalytic degradation of polyethylene was significantly lowered by the addition of the catalysts. Ferrierite, with a low SiO2/Al2O3 ratio, exhibited pronounced selectivity for the production of valuable olefins and excellent resistance to coke formation. All ferrierites generated mainly C6−C10 hydrocarbons, and seemed to have the catalytic stability in the degradation of polyethylene.

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Authors and Affiliations

  1. Faculty of Environmental Engineering, University of Seoul, 130-743, Seoul, South Korea

    Hyun Ju Park, Young-Kwon Park & Jong-In Dong

  2. Department of Chemical Engineering, Kongju National University, 314-701, Gongju, South Korea

    Jong-Ki Jeon

  3. Division of Advanced Materials Engineering, Kongju National University, 314-701, Gongju, South Korea

    Jin-Heong Yim

  4. New Chemistry Research Division, Korea Research Institute of Chemical Technology, 305-600, Daejeon, South Korea

    Kwang-Eun Jeong

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  1. Hyun Ju Park
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  2. Young-Kwon Park
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  3. Jong-In Dong
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  4. Jong-Ki Jeon
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  5. Jin-Heong Yim
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  6. Kwang-Eun Jeong
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Correspondence to Young-Kwon Park.

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Park, H.J., Park, YK., Dong, JI. et al. Catalytic degradation of polyethylene over ferrierite. Res. Chem. Intermed. 34, 727–735 (2008). https://doi.org/10.1007/BF03036931

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  • DOI: https://doi.org/10.1007/BF03036931

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