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題 名 | 打鳥埤人工濕地主要之氮移除途徑--脫硝作用=Constructed Wetland |
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作 者 | 黃筱芬; 林幸助; 許庭彰; 高樹基; | 書刊名 | 濕地學刊 |
卷 期 | 1:2 2012.07[民101.07] |
頁 次 | 頁35-47 |
分類號 | 445.46 |
關鍵詞 | 厭氧氨氧化作用; 脫硝作用; 同位素配對技術; Anammox; Denitrification; Isotopic pairing technique; |
語 文 | 中文(Chinese) |
中文摘要 | 脫硝及厭氧氨氧化作用是現今水域生態系統中所知最主要的氮移除途徑,及控制水體中優養因子之一的氮源儲存量。本研究以打鳥埤人工濕地為例,藉由同位素配對技術(isotope pairing technique, IPT)測量人工濕地中序列淨水單元總體氮移除速率。結果顯示,打鳥埤人工濕地系統中厭氧氨氧化作用鮮少,主要以脫硝作用為氮移除途徑,速率約為0.58~30.42 μM N2 hr-1,且以沉積物為高;可能與有機物含量、硫化物濃度、厭氧氨氧菌生理特性有關。總括來說,打鳥埤人工濕地的設置,可藉由脫硝作用有效削減新北市新莊、土城、板橋地區生活汙水中的活性氮含量,減緩沿岸水域優養化對大漢溪沿岸生態系結構與功能帶來的衝擊。 |
英文摘要 | Denitrification and anammox are the dominant nitrogen loss pathways in aquatic ecosystems, which could control eutrophication by reducing nitrogen pollutants in the water. The aim of our study is to measure total nitrogen removal rates by using isotope pairing technique in all of treatment cells of the Daniaopi Constructed Wetland. The results show that anammox occurred little in the Daniaopi Constructed Wetland, whereas denitrification was the major nitrogen removal pathway. Denitrification rates ranged from 0.58~30.42 μM N2 hr-1, in which sediment was the dominant sink of reactive nitrogen. Anammox occurred little which was contributed by organic matter content, sulfuric compounds concentration, physiology characters of anammox bacteria. Overall, our results suggests that the Daniaopi Constructed Wetland can protect the healthy of riverine ecosystems of Dahan river by reducing excess bio-available nitrogen content of domestic wastewater. |
本系統中英文摘要資訊取自各篇刊載內容。