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    Integrated pre-treatment stage of biosorbent – sonication for mixed brewery and restaurant effluents to enhance the photo-fermentative hydrogen production

    Access Status
    Fulltext not available
    Authors
    Znad, Hussein
    Al-Mohammedawi, Hassan
    Awual, Rabiul
    Date
    2021
    Type
    Journal Article
    
    Metadata
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    Citation
    Znad, H. and Al-Mohammedawi, H. and Awual, M.R. 2021. Integrated pre-treatment stage of biosorbent – sonication for mixed brewery and restaurant effluents to enhance the photo-fermentative hydrogen production. Biomass and Bioenergy. 144: Article No.105899.
    Source Title
    Biomass and Bioenergy
    DOI
    10.1016/j.biombioe.2020.105899
    ISSN
    0961-9534
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/88601
    Collection
    • Curtin Research Publications
    Abstract

    In this study an integrated pre-treatment stage of waste banana peel biosorbent and sonication was investigated to qualify a mixture of brewery (BE) and restaurant (RE) effluents for photo fermentative hydrogen production without using standard medium. Different blending ratios of brewery and restaurant effluents and different sonication amplitudes (30, 60, and 90%) and sonication time (15, 25, 35, and 45 min) were investigated. The experimental results demonstrated that applying the proposed integrated pre-treatment (2 g L−1 waste banana peel biosorbent and 35 min sonication at 60% amplitude) for a mixture of 70% RE and 30% BE enhanced the cumulative biohydrogen production to 110 ± 4 mL (144% enhanced), while applying single pre-treatment stage (2 g L-1 banana peels waste biosorbent) enhanced the cumulative biohydrogen production to 83 mL (84% enhanced). Furthermore, more than 46% of soluble chemical oxygen demand (SCOD) removal was achieved during photo-fermentative hydrogen production process. The results also demonstrated that the proposed integrated pre-treatment stage is a promising technique not only for enhancing the biohydrogen production but also contributes in the treatment of the wastewater by reducing the COD.

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