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Pyrolysis of low-density polyethylene waste plastics using mixtures of catalysts

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Abstract

In the present paper, LDPE has been pyrolysed in a 1 m length semi pilot reactor at temperature range 550–650 °C for around 2 h. Commercial bentonite, kaoline, silica Gel and activated charcoal have been used as catalyst. Liquid, gas and solid fractions (residue) were quantified. Effects of pyrolysis temperature and catalysts on liquid product were investigated. It was found that using catalyst gave shorter dripping time and this dripping started at a lower temperature. PIONA analysis of liquid product has been carried out and the highest percentage of olefins was found on using bentonite as a catalyst.

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Authors and Affiliations

  1. Petrochemical Department, Faculty of Engineering, Pharos University, Alexandria, Egypt

    Aya Soliman & Ehssan Nassef

  2. Chemical Engineering Department, Faculty of Engineering, Alexandria University, Alexandria, Egypt

    Hassan A. Farag, A. Amer & Yehia ElTaweel

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  1. Aya Soliman
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  2. Hassan A. Farag
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  3. Ehssan Nassef
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  4. A. Amer
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  5. Yehia ElTaweel
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Correspondence to Aya Soliman.

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Soliman, A., Farag, H.A., Nassef, E. et al. Pyrolysis of low-density polyethylene waste plastics using mixtures of catalysts. J Mater Cycles Waste Manag 22, 1399–1406 (2020). https://doi.org/10.1007/s10163-020-01028-z

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  • DOI: https://doi.org/10.1007/s10163-020-01028-z

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