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Materials 2019, 12(6), 880; https://doi.org/10.3390/ma12060880

Modification of Pyrolytic Oil from Waste Tyres as a Promising Method for Light Fuel Production

Department of Elastomers and Rubber Technology, Institute for Engineering of Polymer Materials and Dyes, Harcerska 30 Street, 05-820 Piastów, Poland
Received: 27 January 2019 / Revised: 10 March 2019 / Accepted: 12 March 2019 / Published: 15 March 2019
(This article belongs to the Special Issue Recent Advances in Rubber Recycling)
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Abstract

Due to its high total sulphur content and other unfavourable properties, pyrolytic oil obtained as a result of tyres pyrolysis is not suitable for use as motor or heating fuel. Therefore, pyrolytic oil was hydrorefined. Hydrorefined oil was used as a component of light heating oil. A composition was prepared from 30 wt % hydrorefinate with 70 wt % Ekoterm Plus (a commercial oil). Unfortunately, the flash point temperature of the hydrorefinate was too low, and did not allow fuel compliant with the Polish standard PN-C-96024:2011 for L1 light heating oil to be obtained. Therefore, the fraction with boiling point below 180 °C was removed from the hydrorefinate. The residue, with a flash point of 74 °C and a sulphur content of 0.143 wt %, was mixed with Ekoterm Plus and fuels with a hydrorefinate fraction content of 30 and 50 wt % were prepared. The composition containing 30 wt % met the requirements for L1 oil in the whole range of tested parameters. Total sulphur content was 0.092 wt %, specific weight was 856 kg/m3 and closed cup flash point was 64 °C. However, the composition containing 50 wt % hydrorefinate did not meet the requirements regarding sulphur content and specific weight. Sulphur content, specific gravity, and flash point are the parameters limiting the possibility of using hydrorefined pyrolytic oil for composing light heating oils compliant with the mentioned standard. View Full-Text
Keywords: tyre pyrolysis; rubber; pyrolytic oil; hydrorefining; hydrodesulphurization; light fuel oil tyre pyrolysis; rubber; pyrolytic oil; hydrorefining; hydrodesulphurization; light fuel oil
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Dębek, C. Modification of Pyrolytic Oil from Waste Tyres as a Promising Method for Light Fuel Production. Materials 2019, 12, 880.

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