First full-scale nitritation-anammox plant using gel entrapment technology for ammonia plant effluent

Kazuichi Isaka, Yuya Kimura, Masahiro Matsuura, Toshifumi Osaka, Satoshi Tsuneda

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    The first full-scale nitritation-anammox process using gel entrapment technology was evaluated for nitrogen removal. Ammonia plant effluents contained not only ammonium but also methanol, an anammox inhibitor. The nitrogen concentration and loading design were 690 mg/L and 400 kg-N/d, respectively. A nitritation reactor (170 m3) filled with nitrification gel carriers was started up on day 20, with a resulting nitrification efficiency of 58%. A stable nitritation performance was observed without significant nitrate production for >1 year. A nitrogen conversion rate of 3.2 kg-N/m3/d was observed on the anammox reactor (100 m3) filled with anammox gel carrier on day 69. The full-scale anammox reactor could be started up in approximately 2 months. Subsequently, stable nitrogen removal performance was observed for >1 year. The average nitrogen loading, nitrogen conversion rate, and total nitrogen removal on the anammox reactor were 3.6 kg-N/m3/d, 3.0 kg-N/m3/d and 330 kg-N/d, respectively. The nitrogen removal performance obtained in this study will facilitate further application of the anammox processes to many types of industrial wastewater treatment.

    Original languageEnglish
    Pages (from-to)115-122
    Number of pages8
    JournalBiochemical Engineering Journal
    Volume122
    DOIs
    Publication statusPublished - 2017 Jun 15

    Fingerprint

    Nitrogen removal
    Ammonia
    Effluents
    Nitrogen
    Gels
    Technology
    Nitrification
    Ammonium Compounds
    Wastewater treatment
    Nitrates
    Methanol
    Waste Water

    Keywords

    • Ammonia plant
    • Anammox
    • Gel entrapment
    • Nitritation
    • Nitrogen removal

    ASJC Scopus subject areas

    • Biotechnology
    • Bioengineering
    • Environmental Engineering
    • Biomedical Engineering

    Cite this

    First full-scale nitritation-anammox plant using gel entrapment technology for ammonia plant effluent. / Isaka, Kazuichi; Kimura, Yuya; Matsuura, Masahiro; Osaka, Toshifumi; Tsuneda, Satoshi.

    In: Biochemical Engineering Journal, Vol. 122, 15.06.2017, p. 115-122.

    Research output: Contribution to journalArticle

    Isaka, Kazuichi ; Kimura, Yuya ; Matsuura, Masahiro ; Osaka, Toshifumi ; Tsuneda, Satoshi. / First full-scale nitritation-anammox plant using gel entrapment technology for ammonia plant effluent. In: Biochemical Engineering Journal. 2017 ; Vol. 122. pp. 115-122.
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