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題名 | 脫硝槽串聯組合去除滲出水中硝酸鹽氮之研究=The Study of Combined Denitrification Reactors for Nitrate Removal |
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作者 | 陳鴻烈; 鄭慧玲; 陳冠伊; Chen, Paris Honglay; Jenq, Christina H.; Chen, Albert K.; |
期刊 | 農林學報 |
出版日期 | 19960600 |
卷期 | 45:2 1996.06[民85.06] |
頁次 | 頁23-34 |
分類號 | 445.463 |
語文 | chi |
關鍵詞 | 脫硝槽串聯組合; 滲出水; 硝酸鹽氮; Denitrification reactors in series; Leachate; Nitrate; |
中文摘要 | 本研究將各種不同形式的反應槽分別與活性碳固定槽串聯,以進行去除滲出水中 硝酸鹽氮( NO �婀� -N )效能之比較。結果發現各種脫硝單元組合去除 NO �婀� -N 的能 力受串聯中第一槽形式之影響很大,其中並以〞攪拌,加1升活性碳反應槽+活性碳固定床 〞組合的脫硝處理效果最好,顯示在反應槽中加入少量的活性碳,可促進微生物之成長,加 速系統中的脫硝效能。至於串聯之第二槽(活性碳固定床)的脫氮能力,一般受限於第一槽 的處理效果, 亦即當第一槽去除 NO �婀� -N 的效率較高時,第二槽則因進流滲出水中 NO �婀� -N 濃度低,加上缺乏微生物可利用之外加碳源(甲醇),故脫硝效果一般偏低。反之 ,若當第一槽未能發揮其處理功效時,則第二槽即因進流中 NO �婀� -N 濃度較高,且滲出 水中可能仍存留大量的微生物可利用之碳源,故能提升其脫氮能力。 |
英文摘要 | The removal of nitrate (NO �婀� -N) from landfill leachate was investigated by different types of reactors and activated carbon fixed-bed combined in series. The results indicated that NO �婀� -N removal was strongly affected by the type of first reactor at five combinations of denitrification. Among them, combination with combined mixing/adding activated carbon (AC) and activated carbon fixed-bed used in series was more effective than all other treatment systems. It is apparent that adding AC can promote denitrification efficiencies. The denitrification performance of second reactor (activated carbon fixed-bed) was generally limited by first reactor. Namely, when the NO �� �� -N removal efficiency of first reactor was high during denitrification, a low NO �婀� -N removal of second reactor was obtained due to low NO �婀� -N inflow concentrations and lack of carbon source. Inversely, when the denitrification feasibility of first reactor decreased, an increased NO �婀� -N removal of second reactor was caused by a high NO �婀� -N inflow concentration and residual microbiousable carbon source in leachate. |
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