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Kinetic Study of the Anaerobic Digestion of Recycled Paper Mill Effluent (RPME) by Using a Novel Modified Anaerobic Hybrid Baffled (MAHB) Reactor

  • Siti Roshayu Hassan
  • , Yung-Tse Hung
  • , Irvan Dahlan
  • , Hamidi Abdul Aziz
    • Universiti Malaysia Kelantan
    • Universiti Sains Malaysia

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The process kinetics of an anaerobic digestion process for treating recycled paper mill effluent (RPME) was investigated. A laboratory-scale modified anaerobic hybrid baffled reactor (MAHB) was operated at hydraulic retention times of 1, 3, 5, and 7 days, and the results were analyzed for the kinetic models. A kinetic study was conducted by examining the phase kinetics of the anaerobic digestion process, which were divided into three main stages: hydrolysis kinetics, acetogenesis kinetics, and methane production kinetics. The study demonstrated that hydrolysis was the rate-limiting step. The applied Monod and Contois kinetic models showed satisfactory prediction with µmax values of 1.476 and 0.6796 L day−1 , respectively

    Original languageAmerican English
    JournalWater. 2022 14(3).
    Volume14
    DOIs
    StatePublished - Jan 27 2022

    Keywords

    • anaerobic digestion
    • hydrolysis
    • methane production
    • prediction
    • pulp and paper mill effluents
    • reaction kinetics
    • recycled paper
    • water

    Disciplines

    • Civil and Environmental Engineering

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