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        1. 原位曝氣對底泥中污染物釋放的影響研究
          • 作者: 彭 安 ,劉炎炎 ,喬穩超 ,余 純
          論文摘要

           

          原位曝氣對底泥中污染物釋放的影響研究

          彭 安1 ,劉炎炎2 ,喬穩超1 ,1

          (1.中國建筑第二工程局有限公司,北京 101101; 2.中國市政工程華北設計研究總院有限公司,天津 300202)

          [摘要] 針對河湖水環境治理工程中的原位曝氣問題,以岳陽王家河底泥為研究對象,在不同曝氣方式?位置下完 成靜置釋放?連續曝氣?間歇曝氣及泥水界面曝氣底部曝氣,對底泥中污染物的釋放規律和影響作用進行系統研。 研究表明曝氣措施在河湖水環境治理工程中,能有效提升河湖環境,同時底部間歇式曝氣比連續曝氣?界面曝 氣在運行能耗等方面更具優勢,為王家河水環境治理設計方案的選擇提供依據。

          [關鍵詞] 水治理;曝氣;底泥;污染

          [中圖分類號] TU992. 3            [文獻標識碼] A                [文章編號] 1002-8498(2020)18-0090-03

          Effect Research on In-situ Aeration to Pollutant Release in Sediment

          PENG An 1 , LIU Yanyan 2 , QIAO Wenchao 1 , YU Chun 1

          (1. China Construction Second Engineering Bureau Co., Ltd., Beijing 101101, China; 2. North China Municipal Engineering Design & Research Institute Co., Ltd., Tianjin 300202, China)

          Abstract:Aiming at the in-situ aeration problem in river and lake water environment treatment project, taking the sediment of Wangjiahe river in Yueyang as the research object, the simulation is used in laboratory, static release, continuous aeration, intermittent aeration, mud-water interfacial aeration and bottom aeration is completed under different aeration modes and positions, the regularity and influence of pollutant release in sediment are studied systematically. The research shows that aeration can effectively improve the river and lake environment. At the same time, intermittent bottom aeration is more advantageous than continuous aeration and interfacial aeration, in terms of energy consumption, a basis for the selection of water environment control design scheme of Wangjiahe river is provided.

          Keywords:water treatment; aeration; sediment

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