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An analysis of metal concentrations in food wastes for biogas production

Listed author(s):
  • Bożym, Marta
  • Florczak, Iwona
  • Zdanowska, Paulina
  • Wojdalski, Janusz
  • Klimkiewicz, Marek
Registered author(s):

    Organic waste from the food processing industry constitutes suitable substrate for anaerobic digestion. The chemical composition of digester feedstock, the availability of nutrients for microorganisms responsible for the anaerobic decomposition of organic compounds and the substrate's toxicity for bacteria have to be controlled in plant material for biogas production. The chemical composition of biomass determines biogas yield and the quality of digestate used as fertilizer. The objective of this study was to analyze the chemical composition and toxicity of food wastes by atomic absorption spectrometry (AAS). The content of heavy and light metals was determined in selected plant wastes, including brewer's spent grain, apple pomace, strawberry pomace, carrot pomace, orange and grapefruit peel, beetroot and potato peel, potato pulp, rapeseed cake, walnut and hazelnut shells. The analyzed wastes were characterized by varied content of Pb, Cd, Cu, Zn, Cr, Ni, Na, K, Mg and Ca. The results of this study can be used to optimize the composition of feedstock for biogas plants.

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    File URL: http://www.sciencedirect.com/science/article/pii/S0960148114007253
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    Article provided by Elsevier in its journal Renewable Energy.

    Volume (Year): 77 (2015)
    Issue (Month): C ()
    Pages: 467-472

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    Handle: RePEc:eee:renene:v:77:y:2015:i:c:p:467-472
    DOI: 10.1016/j.renene.2014.11.010
    Contact details of provider: Web page: http://www.journals.elsevier.com/renewable-energy

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    1. Chodkowska-Miszczuk, Justyna & Szymańska, Daniela, 2013. "Agricultural biogas plants—A chance for diversification of agriculture in Poland," Renewable and Sustainable Energy Reviews, Elsevier, vol. 20(C), pages 514-518.
    2. Havukainen, J. & Uusitalo, V. & Niskanen, A. & Kapustina, V. & Horttanainen, M., 2014. "Evaluation of methods for estimating energy performance of biogas production," Renewable Energy, Elsevier, vol. 66(C), pages 232-240.
    3. Omer, Abdeen Mustafa, 2008. "Energy, environment and sustainable development," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(9), pages 2265-2300, December.
    4. Pérez, Irene & Garfí, Marianna & Cadena, Erasmo & Ferrer, Ivet, 2014. "Technical, economic and environmental assessment of household biogas digesters for rural communities," Renewable Energy, Elsevier, vol. 62(C), pages 313-318.
    5. Chandra, R. & Vijay, V.K. & Subbarao, P.M.V. & Khura, T.K., 2012. "Production of methane from anaerobic digestion of jatropha and pongamia oil cakes," Applied Energy, Elsevier, vol. 93(C), pages 148-159.
    6. Igliński, Bartłomiej & Buczkowski, Roman & Iglińska, Anna & Cichosz, Marcin & Piechota, Grzegorz & Kujawski, Wojciech, 2012. "Agricultural biogas plants in Poland: Investment process, economical and environmental aspects, biogas potential," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(7), pages 4890-4900.
    7. Qiao, Wei & Yan, Xiuyi & Ye, Junhui & Sun, Yifei & Wang, Wei & Zhang, Zhongzhi, 2011. "Evaluation of biogas production from different biomass wastes with/without hydrothermal pretreatment," Renewable Energy, Elsevier, vol. 36(12), pages 3313-3318.
    8. Naja, Ghinwa M. & Alary, René & Bajeat, Philippe & Bellenfant, Gaël & Godon, Jean-Jacques & Jaeg, Jean-Philippe & Keck, Gérard & Lattes, Armand & Leroux, Carole & Modelon, Hugues & Moletta-Denat, Mari, 2011. "Assessment of biogas potential hazards," Renewable Energy, Elsevier, vol. 36(12), pages 3445-3451.
    9. Parawira, W & Murto, M & Zvauya, R & Mattiasson, B, 2004. "Anaerobic batch digestion of solid potato waste alone and in combination with sugar beet leaves," Renewable Energy, Elsevier, vol. 29(11), pages 1811-1823.
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