Effects of soluble microbial products (SMP) on the performance of an anammox attached film expanded bed (AAFEB) reactor: Synergistic interaction and toxic shock

Yanlong Zhang, Haiyuan Ma, Qigui Niu, Rong Chen, Toshimasa Hojo, Yu You Li

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The accumulation of soluble microbial production (SMP) in an anammox attached film expanded bed (AAFEB) and its effect on the reactor performance were investigated in this study. During the long-term experiment, an extended HRT resulted in the accumulation of SMP and the change of treatment performance. When the SMP increased from 10.5 ± 1.5 mg L−1 to 31.7 ± 6.4 mg L−1 with the increase of influent TN concentration from 313 mg L−1 to 2500 mg L−1, the TN removal efficiency was stable. However, when the influent TN concentration was 3500 mg L−1, the SMP concentration increased higher than 100 mg L−1, the reactor soon became inhibited. Bath tests indicated that both the specific anammox activity (SAA) and the substrate tolerance ability decreased during the stable operation phases, whereas the specific denitrification activity (SDA) was significantly enhanced. In addition, N2O emissions in the anammox-denitrifier symbiotic system were greater than in the conventional nitrogen removal process.

本文言語English
ページ(範囲)261-269
ページ数9
ジャーナルBioresource Technology
222
DOI
出版ステータスPublished - 2016 12 1

ASJC Scopus subject areas

  • バイオエンジニアリング
  • 環境工学
  • 再生可能エネルギー、持続可能性、環境
  • 廃棄物管理と処理

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