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An analysis of metal concentrations in food wastes for biogas production


  • Bożym, Marta
  • Florczak, Iwona
  • Zdanowska, Paulina
  • Wojdalski, Janusz
  • Klimkiewicz, Marek


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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  • Bożym, Marta & Florczak, Iwona & Zdanowska, Paulina & Wojdalski, Janusz & Klimkiewicz, Marek, 2015. "An analysis of metal concentrations in food wastes for biogas production," Renewable Energy, Elsevier, vol. 77(C), pages 467-472.
  • Handle: RePEc:eee:renene:v:77:y:2015:i:c:p:467-472
    DOI: 10.1016/j.renene.2014.11.010

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    References listed on IDEAS

    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. 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.
    4. 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.
    5. 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.
    6. 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.
    7. Omer, Abdeen Mustafa, 2008. "Energy, environment and sustainable development," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(9), pages 2265-2300, December.
    8. 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.
    9. 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.
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    Cited by:

    1. Abdelsalam, E. & Samer, M. & Attia, Y.A. & Abdel-Hadi, M.A. & Hassan, H.E. & Badr, Y., 2016. "Comparison of nanoparticles effects on biogas and methane production from anaerobic digestion of cattle dung slurry," Renewable Energy, Elsevier, vol. 87(P1), pages 592-598.
    2. Zhang, Quanguo & Hu, Jianjun & Lee, Duu-Jong, 2016. "Biogas from anaerobic digestion processes: Research updates," Renewable Energy, Elsevier, vol. 98(C), pages 108-119.
    3. repec:eee:rensus:v:81:y:2018:i:p1:p:510-523 is not listed on IDEAS
    4. Taghizadeh-Alisaraei, Ahmad & Hosseini, Seyyed Hasan & Ghobadian, Barat & Motevali, Ali, 2017. "Biofuel production from citrus wastes: A feasibility study in Iran," Renewable and Sustainable Energy Reviews, Elsevier, vol. 69(C), pages 1100-1112.
    5. repec:gam:jeners:v:11:y:2018:i:5:p:1057-:d:143220 is not listed on IDEAS
    6. Leite, Wanderli Rogério Moreira & Gottardo, Marco & Pavan, Paolo & Belli Filho, Paulo & Bolzonella, David, 2016. "Performance and energy aspects of single and two phase thermophilic anaerobic digestion of waste activated sludge," Renewable Energy, Elsevier, vol. 86(C), pages 1324-1331.

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    Food waste; Heavy metals; Light metals; Biogas;


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