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Combination of Coagulation, Adsorption, and Ultrafiltration Processes for Organic Matter Removal from Peat Water

Author

Listed:
  • Muthia Elma

    (Department of Chemical Engineering, Faculty of Engineering, Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia
    Materials and Membranes Research Group (M 2 ReG), Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Amalia Enggar Pratiwi

    (Department of Chemical Engineering, Faculty of Engineering, Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia
    Materials and Membranes Research Group (M 2 ReG), Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Aulia Rahma

    (Materials and Membranes Research Group (M 2 ReG), Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Erdina Lulu Atika Rampun

    (Materials and Membranes Research Group (M 2 ReG), Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Mahmud Mahmud

    (Department of Environment Engineering, Faculty of Engineering, Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Chairul Abdi

    (Department of Environment Engineering, Faculty of Engineering, Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Raissa Rosadi

    (Materials and Membranes Research Group (M 2 ReG), Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia
    Postgraduate Program, Department of Natural Resource and Environmental Management, Lambung Mangkurat University, Jl. A. Yani KM 36, Banjarbaru 70714, Indonesia)

  • Dede Heri Yuli Yanto

    (Research Center for Biomaterials, National Research and Innovation Agency (BRIN), Cibinong Science Center, Cibinong, Jl. Raya Bogor KM 46, Bogor 16911, Indonesia)

  • Muhammad Roil Bilad

    (Faculty of Integrated Technologies, Universiti Brunei Darussalam, Gadong BE1410, Brunei)

Abstract

The high content of natural organic matter (NOM) is one of the challenging characteristics of peat water. It is also highly contaminated and contributes to some water-borne diseases. Before being used for potable purposes, peat water must undergo a series of treatments, particularly for NOM removal. This study investigated the effect of coagulation using aluminum sulfate coagulant and adsorption using powdered activated carbon (PAC) as a pretreatment of ultrafiltration (UF) for removal of NOM from actual peat water. After preparation and characterization of polysulfone (Psf)-based membrane, the system’s performance was evaluated using actual peat water, particularly on NOM removal and the UF performances. The coagulation and adsorption tests were done under variable dosings. Results show that pretreatment through coagulation–adsorption successfully removed most of the NOM. As such, the UF fouling propensity of the pretreated peat water was substantially lowered. The optimum aluminum sulfate dosing of 175 mg/L as the first pretreatment stage removed up to 75–78% NOM. Further treatment using the PAC-based adsorption process further increased 92–96% NOM removals at an optimum PAC dosing of 120 mg/L. The final UF-PSf treatment reached NOM removals of 95% with high filtration fluxes of up to 92.4 L/(m 2 .h). The combination of three treatment stages showed enhanced UF performance thanks to partial pre-removal of NOM that otherwise might cause severe membrane fouling.

Suggested Citation

  • Muthia Elma & Amalia Enggar Pratiwi & Aulia Rahma & Erdina Lulu Atika Rampun & Mahmud Mahmud & Chairul Abdi & Raissa Rosadi & Dede Heri Yuli Yanto & Muhammad Roil Bilad, 2021. "Combination of Coagulation, Adsorption, and Ultrafiltration Processes for Organic Matter Removal from Peat Water," Sustainability, MDPI, vol. 14(1), pages 1-12, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2021:i:1:p:370-:d:714446
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