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題 名 | 人工溼地處理農藥--達有龍之效能評估=Effects of Using Constructed Wetland to Treat Herbicide-Diuron |
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作 者 | 王姿文; 林瑩峰; 荊樹人; 李得元; 黃獻文; | 書刊名 | 嘉南學報 |
卷 期 | 28 2002.11[民91.11] |
頁 次 | 頁96-103 |
分類號 | 434.223 |
關鍵詞 | 人工溼地; 達有龍; 香蒲; Constructed wetland; Diuron; Cattails; |
語 文 | 中文(Chinese) |
中文摘要 | 本研利用小型規模(small scale)之人工溼地系統處理一含氯的有機農藥—達有龍(Diuron),評估人工溼地對於達有龍之去除效能。主要研究工作包括溼地系統的建立、連續入流穩定操作、營養鹽的添加、溼地對農藥污染的處理效率評估以及探討對環境之影響。人工溼地包含兩種系統,一為自由表面流動式人工溼地(free water surface system. FWS),另一為表面下流動式人工溼地(subsurface flow system, SSF)。溼地系統種植香蒲,採並聯方式由同一進流槽連續進流,水力停留時間(HRT)為2天,於進流口及出流口定期採樣分析,分析項目包括水樣中達有龍的濃度、COD、DO、SS、pH等水質項目。結果顯示FWS溼地與SSF溼地均能有效去除達有龍,去除率可達61~88%,高於對照組的41~60%。故初步研究中證實,人工濕地有能力去除分解有機性農藥物質,在農地逕流水的污染防治上為一種可行的技術選擇。 |
英文摘要 | This research was using a small-scale constructed wetland (CW) system to treat an artificial wastewater containing herbicide, Diuron, to simulate runoff from agricultural land. The main work included building of CW system, stable operation with continuous influent, nutrient addition, and the treating efficient of herbicide. The CW systems used had two types: free water surface wetland (FWS) and subsurface flow wetland (SSF). Both types of wetlands were panted with cattails and connected in series. The hydraulic retention time (HRT) was controlled at about 2 days. Water samples were taken at in flow and outflow of the systems regularly. The constituents measured for the samples were Diuron, SS and COD and the properties of water, including Do and pH, were also recorded. The results showed that both FWS and SSF wetlands did not have apparent difference in removing Diruron and both had 61-88% removal efficiencies, higher than the control system (the removal efficiencies was 41-60%), indicating the removal of Diuron in CW system was degraded by the both plant and microorganisms. Therefore, the CW system has high degrading ability to the organic herbicide. Furthermore, this technique can be an option for pollution control on the runoff from agricultural land. |
本系統中英文摘要資訊取自各篇刊載內容。