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  4. Integration of Plant Pomace into Extruded Products: Analysis of Process Conditions, Post-Production Waste Properties and Biogas Potential
 
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Integration of Plant Pomace into Extruded Products: Analysis of Process Conditions, Post-Production Waste Properties and Biogas Potential

Type
Journal article
Language
English
Date issued
2024
Author
Soja, Jakub
Oniszczuk, Tomasz
Vaskina, Iryna 
Combrzyński, Maciej
Wójtowicz, Agnieszka
Faculty
Wydział Inżynierii Środowiska i Inżynierii Mechanicznej
PBN discipline
environmental engineering, mining and energy
Journal
Energies
ISSN
1996-1073
DOI
10.3390/en17246476
Web address
https://www.mdpi.com/1996-1073/17/24/6476
Volume
17
Number
24
Pages from-to
art. 6476
Abstract (EN)
Waste streams from cereal-based food production processes, rich in organic matter and carbohydrates, have untapped potential for biogas production. This study uniquely investigated the extrusion-cooking process conditions, physical properties and biogas efficiency of snack pellets enriched with plant pomace (apple, chokeberry, pumpkin, flaxseed and nigella seeds) at different levels (10, 20 and 30%), produced using a single-screw extruder-cooker. The highest efficiency obtained in the extrusion-cooking process (18.20 kg/h) was observed for pellets with the addition of 30% flaxseed pomace. The SME value during the entire process was in the range of 0.015–0.072 kWh/kg. New insights into the interaction between the inclusion of pomace, the physical properties of the extrudate and the anaerobic fermentation efficiency were obtained. The results show that 30% chokeberry extrudate maximized methane production (51.39% gas), demonstrating a double innovation: improving snack pellet quality and converting food waste into renewable energy.
Keywords (PL)
  • proces ekstruzji

  • odpady poprodukcyjne

  • wydajność biogazu

  • wydajność procesu

  • wybrane właściwości fizyczne

Keywords (EN)
  • extrusion-cooking process

  • post-production waste

  • biogas efficiency

  • process efficiency

  • selected physical properties

License
cc-bycc-by CC-BY - Attribution
Open access date
December 23, 2024
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