Abstract
In this work, the direct liquefaction of polypropylene and rendering fat mixtures was performed by using light magnesium oxide (MgO) as catalyst. Polypropylene and rendering fat mixtures were tested in ratio of 10:0, 8:2, 6:4, 4:6, 2:8, and 0:10 (w/w) with 2 g of MgO and 50 g of tetralin as solvent and rendering fat:tetralin ratios of 10:50, 20:40, 30:30, 40:20, 50:10, and 60:10 w/w for the low temperature pyrolysis. Direct liquefaction was tested at 420 °C for 1 h, under nitrogen (1 MPa) in an autoclave. Furthermore, fast pyrolysis was performed to degrade these raw materials to light molecules such as ethylene and propylene. The raw materials and products were analyzed by a combination of several techniques: inductively coupled plasma thermal analyses, infrared spectroscopy, refractive index, elemental analyses (C, H, N, S%), and gas chromatography provided by a flame ionization detector (GC-FID), further analyzed by simulated distillation and refinery gas analysis (RGA).
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Abbreviations
- RF:
-
Rendering fat
- PP:
-
Polypropylene
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Acknowledgements
This publication is a result of the project CACTU, Reg. No. CZ.02.1.01/0.0/0.0/17_049/0008397, which has been co-financed by the European Union from the European Regional Development Fund through the Operational Programme Research, Development and Education. The result was achieved using the infrastructure of the project Efficient Use of Energy Resources Using Catalytic Processes (LM2018119) which has been financially supported by MEYS within the targeted support of large infrastructures.
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1) Funder: Ministerstvo Školství, Mládeže a Tělovýchovy. Award number: CZ.02.1.01/0.0/0.0/17_049/0008397. 2) Funder: Ministerstvo Školství, Mládeže a Tělovýchovy (Grant number: LM2018119.
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by José Miguel Hidalgo Herrador, Martin Babor, Ritik Tomar, and Zdeněk Tišler. The manuscript was written by José Miguel Hidalgo Herrador and contributions of all authors. All authors read and approved the final manuscript.
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Hidalgo Herrador, J.M., Babor, M., Tomar, R. et al. Polypropylene and rendering fat degrading to value-added chemicals by direct liquefaction and fast-pyrolysis. Biomass Conv. Bioref. 14, 1027–1036 (2024). https://doi.org/10.1007/s13399-022-02405-4
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DOI: https://doi.org/10.1007/s13399-022-02405-4