Sustainable approach to biotransform industrial sludge into organic fertilizer via vermicomposting: a mini-review

Leong Hwee Lee, Ta Yeong Wu, Katrina Pui Yee Shak, Su Lin Lim, Kok Yew Ng, Minh N. Nguyen, Wen Hui Teoh

    Research output: Contribution to journalReview article

    21 Citations (Scopus)

    Abstract

    Currently, industrial sludge is generated in large amounts. Industrial sludge is a solid or semi-solid material consisting of all compounds removed from wastewater, as well as any substances added to the biological and chemical operation units during the treatment process. The composition of sludge may vary considerably. Furthermore, distinctive treatment and disposal methods are necessary as sludge produced from different industries has different characteristics. Therefore, processing and disposing of industrial sludge is a challenging and complex environmental problem. Landfilling, incineration and agricultural land application are the three most commonly employed methods for the disposal of industrial sludge. Among the three methods, the agricultural land application is a convenient and economical disposal alternative for industrial sludge. However, industrial sludge could have high putrescible content and pathogenic hazards. One possible way to ensure that the industrial sludge could be reused on agricultural land is by conditioning and stabilizing the sludge using a pretreatment process. One of the pretreatment processes which could be employed in this context is vermicomposting. Vermicomposting is an alternative for biological stabilization of organic wastes, with the addition of earthworms. Through vermicomposting, industrial sludge could be transformed into matured organic fertilizer or vermicompost in a shorter period. Thus, this work reviewed the recent literature on utilizing the vermicomposting process to manage industrial sludge in order to assess the feasibility of this technology. The present review also provides a brief overview of the production and treatment methods of industrial sludge.

    Original languageEnglish
    Pages (from-to)925-935
    Number of pages11
    JournalJournal of Chemical Technology and Biotechnology
    Volume93
    Issue number4
    Early online date25 Oct 2017
    DOIs
    Publication statusPublished - 4 Jan 2018

    Fingerprint

    Fertilizers
    Sewage
    Chemical operations
    fertilizer
    Incineration
    Hazards
    Wastewater
    Stabilization
    Processing
    Chemical analysis
    agricultural land
    sludge
    Industry
    industrial sludge
    Waste Disposal Facilities
    incineration
    earthworm
    Oligochaeta
    conditioning
    stabilization

    Keywords

    • bioconversion
    • biomass valorization
    • biotransformation
    • clean processes
    • earthworm
    • waste treatment and waste minimization

    Cite this

    Lee, Leong Hwee ; Wu, Ta Yeong ; Shak, Katrina Pui Yee ; Lim, Su Lin ; Ng, Kok Yew ; Nguyen, Minh N. ; Teoh, Wen Hui. / Sustainable approach to biotransform industrial sludge into organic fertilizer via vermicomposting: a mini-review. In: Journal of Chemical Technology and Biotechnology. 2018 ; Vol. 93, No. 4. pp. 925-935.
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    Sustainable approach to biotransform industrial sludge into organic fertilizer via vermicomposting: a mini-review. / Lee, Leong Hwee; Wu, Ta Yeong; Shak, Katrina Pui Yee; Lim, Su Lin; Ng, Kok Yew; Nguyen, Minh N.; Teoh, Wen Hui.

    In: Journal of Chemical Technology and Biotechnology, Vol. 93, No. 4, 04.01.2018, p. 925-935.

    Research output: Contribution to journalReview article

    TY - JOUR

    T1 - Sustainable approach to biotransform industrial sludge into organic fertilizer via vermicomposting: a mini-review

    AU - Lee, Leong Hwee

    AU - Wu, Ta Yeong

    AU - Shak, Katrina Pui Yee

    AU - Lim, Su Lin

    AU - Ng, Kok Yew

    AU - Nguyen, Minh N.

    AU - Teoh, Wen Hui

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    KW - biomass valorization

    KW - biotransformation

    KW - clean processes

    KW - earthworm

    KW - waste treatment and waste minimization

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