Effect of flax fibers addition on the mechanical properties and biodegradability of biocomposites based on thermoplastic starch

• Autorzy: Borowski Gabriel , Klepka Tomasz , Pawłowska Małgorzata , Lavagnolo Maria Cristina , Oniszczuk Tomasz , Wójtowicz Agnieszka , Combrzyński Maciej

Identyfikatory

DOI

10.24425/aep.2020.133477

• Języki publikacji: EN

Abstrakty

EN

The research was intended to develop a biocomposite as an alternative biodegradable material, for the production of, e.g., disposable utensils. The author’s tested thermoplastic maize starch, both without additives and with the addition of crumbled flax fiber in the share of 10, 20 and 30 wt%. The plasticizer added was technical glycerin and the samples were produced by a single-screw extruder. The mechanical strength tests were performed, including the impact tensile test and three-point bending flexural test. Afterwards, the samples were tested for biodegradability under anaerobic conditions. The methane fermentation process was carried in a laboratory bioreactor under thermophilic conditions with constant mixing of the batch. All samples proved to be highly susceptible to biodegradation during the experiment, regardless of the flax fiber share. The biogas potential was about 600 ml·g-1, and the methane concentration in biogas ranged from 66.8 to 69.6%. It was found, that the biocomposites can be almost completely utilized in bioreactors during the biodegradation process. The energy recovery in the decomposition process with the generation of significant amount of methane constitutes an additional benefit.

Słowa kluczowe

EN

biocomposite; flax fiber; maize starch; extrusion-cooking; biodegradation; energy recovery

• Wydawca: Institute of Environmental Engineering, Polish Academy of Sciences
• Czasopismo: Archives of Environmental Protection
• Rocznik: 2020
• Tom: Vol. 46, no. 2
• Strony: 74--82
• Opis fizyczny: Bibliogr. 34 poz., rys., tab., wykr.

Twórcy

autor

Borowski Gabriel

• Faculty of Environmental Engineering, Lublin University of Technology, Lublin, Poland

autor

Klepka Tomasz

• Faculty of Mechanical Engineering, Lublin University of Technology, Lublin, Poland

autor

Pawłowska Małgorzata

• Faculty of Environmental Engineering, Lublin University of Technology, Lublin, Poland

autor

Lavagnolo Maria Cristina

• Department of Civil Environmental and Architectural Engineering, University of Padova, Italy

autor

Oniszczuk Tomasz

• Department of Thermal Technology and Food Process Engineering, University of Life Sciences in Lublin, Poland

autor

Wójtowicz Agnieszka

• Department of Thermal Technology and Food Process Engineering, University of Life Sciences in Lublin, Poland

autor

Combrzyński Maciej

• Department of Thermal Technology and Food Process Engineering, University of Life Sciences in Lublin, Poland

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).