Non-isothermal pyrolysis of waste automobile lubricating oil in a stirred batch reactor

Seung Soo Kim*, Byung Hee Chun, Sung Hyun Kim

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    42 Citations (Scopus)

    Abstract

    Kinetic tests on pyrolysis of waste automobile lubricating were carried out with a thermogravimetric analysis (TGA) technique at heating rates of 0.5, 1.0, and 2.0°C min-1 in a stirred batch reactor. The main region of decomposition of waste automobile lubricating oil was between 400 and 460 °C at each heating rate. The corresponding kinetic parameters including activation energy were determined by the degree of conversions. The ranges of activation energies were from 281.78 to 447.66 kJ mol-1 at conversion in the range of 0.11-0.96 and the reaction order was 1.35. The effects of heating rate on the product distribution have been studied. The distribution of the liquid products shifted slightly to smaller carbon numbers as the heating rate decreased.

    Original languageEnglish
    Pages (from-to)225-231
    Number of pages7
    JournalChemical Engineering Journal
    Volume93
    Issue number3
    DOIs
    Publication statusPublished - 2003 Jul 1

    Keywords

    • Carbon number distribution
    • Pyrolysis
    • Stirred batch reactor
    • TGA
    • Waste automobile lubricating oil

    ASJC Scopus subject areas

    • General Chemistry
    • Environmental Chemistry
    • General Chemical Engineering
    • Industrial and Manufacturing Engineering

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