Polypropylene and rendering fat degrading to value-added chemicals by direct liquefaction and fast-pyrolysis

Herrador, José Miguel Hidalgo; Babor, Martin; Tomar, Ritik; Tišler, Zdeněk; Hubáček, Jan; Carmona, Héctor de Paz; Frątczak, Jakub; Vráblík, Aleš; Huerta-Ángeles, Gloria

doi:10.1007/s13399-022-02405-4

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2023

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“…The liquefaction of organic lipids enables upgrading waste animal fats as a feedstock in the petrochemical industry 1–5. The thermocatalytical processing is a reasonable method for pretreatment of waste rendering fat (WRF) for further upgrading to added‐value chemicals or fuels in standard petrochemical units.…”

Section: Introductionmentioning

confidence: 99%

Liquefaction of Waste Rendering Fat Using Iron‐Containing Catalysts

et al. 2023

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Waste rendering fat (WRF) is a solid residuum from rendering plants. WRF is inedible, even for animals, a mixture of lipids with a high content of (mono-, di-, tri-) glycerol esters and free fatty acids. This study focuses on catalytic liquefaction and deoxygenation of WRF with four different iron-based catalysts, namely, commercial Fe 2 O 3 and three laboratory-prepared alkali-activated zeolite foams different in the iron precursor used for impregnation. Three various reaction times were tested. Laboratory-prepared catalysts enabled a better yield of organic liquid than commercial ones. All catalysts had a positive efficiency of deoxygenation at all reaction times. The combination of Fe(II) and Fe(III) during the catalyst preparation had a beneficial effect.

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Section: Introductionmentioning

confidence: 99%