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    Conditioning and dewatering of anaerobically digested sludge from municipal wastewater treatment processes

    238880_Lau SW 2016.pdf (16.60Mb)
    Access Status
    Open access
    Authors
    Lau, Shiew Wei
    Date
    2015
    Supervisor
    Prof. Ha-Ming Ang
    Assoc. Prof. Tushar Sen
    Assoc. Prof. Han Bing Chua
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/1594
    Collection
    • Curtin Theses
    Abstract

    This thesis presented the dewatering performance improvement of anaerobically digested sludge with novel application and assessment of conditioning aids. The effectiveness of sludge conditioning was evaluated by batch experiments using a series of 250-mL jar test beakers. The optimal dosage was found at 15–20 g/kg chitosan with enhanced dewaterability and rheological behaviour. The dual-chemical conditioning results indicate a higher rate of water removal at the expense of dry solids content compared to single conditioning.

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