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Adsorptive Recovery of Cd(II) Ions with the Use of Post-Production Waste Generated in the Brewing Industry

Author

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  • Tomasz Kalak

    (Department of Industrial Products and Packaging Quality, Institute of Quality Science, Poznań University of Economics and Business, 61-875 Poznań, Poland)

  • Jakub Walczak

    (Department of Industrial Products and Packaging Quality, Institute of Quality Science, Poznań University of Economics and Business, 61-875 Poznań, Poland)

  • Malgorzata Ulewicz

    (Faculty of Civil Engineering, Częstochowa University of Technology, 42-200 Częstochowa, Poland)

Abstract

Post-production waste generated in the brewing industry was used to analyze the possibility of Cd(II) ion recovery in biosorption processes. Brewer’s grains (BG), which are waste products from beer manufacturing processes, are a promising material that can be reused for biosorption. The biomass contains appropriate functional groups from fats, proteins, raw fibers, amino acids, carbohydrates and starch, showing a strong affinity for binding metal ions and their removal from wastewater. The biosorbent material was characterized by several research methods, such as particle size distribution, elemental composition and mapping using SEM-EDX analysis, specific surface area and pore volume (BET, BJH), thermogravimetry, electrokinetic zeta potential, SEM morphology and FT-IR spectrometry. Initial and equilibrium pH, adsorbent dosage, initial metal concentration and contact time were parameters examined in the research. The highest biosorption efficiency was obtained at a level of 93.9%. Kinetics analysis of the processes and sorption isotherms were also carried out. Based on the conducted experiments, it was found that this material has binding properties in relation to Cd(II) ions and can be used for wastewater treatment purposes, being a low-cost biosorbent. This research studies are in line with current global trends of circular and sustainable economies.

Suggested Citation

  • Tomasz Kalak & Jakub Walczak & Malgorzata Ulewicz, 2021. "Adsorptive Recovery of Cd(II) Ions with the Use of Post-Production Waste Generated in the Brewing Industry," Energies, MDPI, vol. 14(17), pages 1-19, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:17:p:5543-:d:629378
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    References listed on IDEAS

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    1. Anca C. Farcas & Sonia A. Socaci & Elena Mudura & Francisc Vasile Dulf & Dan Cristian Vodnar & Maria Tofana & Liana Claudia Salanta, 2017. "Exploitation of Brewing Industry Wastes to Produce Functional Ingredients," Chapters, in: Makoto Kanauchi (ed.), Brewing Technology, IntechOpen.
    2. Paulina Zdanowska & Iwona Florczak & Jacek Słoma & Karol Tucki & Olga Orynycz & Andrzej Wasiak & Antoni Świć, 2019. "An Evaluation of the Quality and Microstructure of Biodegradable Composites as Contribution towards Better Management of Food Industry Wastes," Sustainability, MDPI, vol. 11(5), pages 1-12, March.
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    Cited by:

    1. Gabriele Di Giacomo, 2021. "Material and Energy Recovery from the Final Disposal of Organic Waste," Energies, MDPI, vol. 14(24), pages 1-2, December.
    2. Tomasz Kalak, 2023. "Potential Use of Industrial Biomass Waste as a Sustainable Energy Source in the Future," Energies, MDPI, vol. 16(4), pages 1-25, February.

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