藻類が多く存在する貯水池の新型の高度処理プロセスの開発:性能とメカニズム
Jinyu Peng1, Yu Wang2, Zhenbang Li3
1School of Environmental Science and Engineering, Shandong University, Jinan 250100, China; Shandong Huacheng Engineering Technology Co., Ltd., Jinan 250101, China.
Journal of environmental sciences (China)
|August 21, 2025
まとめ
オゾン/過酸化水素と 生物学的活性炭の流体化床を用いた新しい水処理プロセスは,藻類が豊富な貯水池水から 有機物質と消毒副産物の前駆者を効果的に除去します.
科学分野:
- 環境科学
- 水処理技術
- 高度酸化プロセス
背景:
- 藻類が多い貯水池の水は 伝統的な水処理に 課題を投げかけます
- 溶けた有機物 (DOM),臭味剤,消毒副産物 (DBP) の前駆物は,効果的に除去する必要があります.
研究 の 目的:
- 藻類が多い貯水池の新型逆処理プロセスを開発し,評価する.
- DOM,オドラント,DBPの前駆物質の除去を強化する.
- 化学酸素需要や水質の改善など
主な方法:
- 従来の処理の前に逆オゾン/過酸化水素 (O3/H2O2) と生物学的活性炭流体化ベッド (BACFB) のプロセスを実装する.
- 化学酸素需要 (COD),度,DBP形成の可能性 (THM,HAA) の分析
- 極性分析,光スペクトロスコーピー,高解像度質量スペクトロメトリを用いたDOMの特徴化.
主要な成果:
- COD (2. 18 から 1. 15 mg/ L) と度 (0. 640 から 0. 098 NTU) の有意な減少.
- トライハロメタンとハロアセティック酸の形成の可能性が大幅に減少した.
- DOM,特に非極性および正電荷の有機物質,および窒素を含む化合物の有効な除去.
- オゾン化対象の非極性有機物;凝固沈着対象の非陽性有機物.
- DOMコンポーネントのダイナミックな変換を促進し,芳香成分を減らす.
結論:
- 新しい反転O3 / H2O2およびBACFBプロセスは,藻類が多く含まれている源水を処理するための有望な解決策です.
- このプロセスはDOM,オドラント,DBPの前駆物質を効果的に除去します.
- 新しい治療プロセスの実行可能性と有効性は実践で検証されました.
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