查詢結果分析
相關文獻
- 水空心菜濕地對市區污水之去除能力
- Altering Sphingomyelin Signaling in Vessels from Stroke-prone Spontaneously Hypertensive Rats
- Development of Pre-Coagulation and Biofilm Process for Advanced Treatment of Sewage
- Nitrogen and Phosphorus Removal in a Combined Activated Sludge--RBC Process
- Kinetics of the Substitution Reaction of Hexachlorocyclotriphosphazene with 2-Allylphenol by Phase-Transfer Catalysis
- 單一污泥型系統去除豬糞尿廢水中之有機物、氮及磷
- 最佳階梯進流程序處理營養鹽污水之特性
- 第二核能發電廠及其周圍微生物族群探討
- 厭氧及多段好氧-缺氧去氮除磷程序處理營養鹽污水之特性
- 微生物接種對苦柚及文旦柚種苗生長之效應
頁籤選單縮合
題 名 | 水空心菜濕地對市區污水之去除能力=Removal Ability to Municipal Wastewater by Water Spinach Wetland |
---|---|
作 者 | 劉玉雪; 徐錠基; | 書刊名 | 農業工程學報 |
卷 期 | 44:1 1998.03[民87.03] |
頁 次 | 頁50-58 |
分類號 | 445.46 |
關鍵詞 | 溼地; 表面漫地流系統; 水空心菜; 市區污水; 氮; 磷; Wetland; Overland-flow system; Water spinach; Municipal wastewater; Nitrogen; Phosphorus; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究在臺中市大里地區以稀釋的都市污水,灌溉水空心菜田進行試驗,該農田 因長年用漫灌方式已形成人工溼地,為評估農民此種灌溉田操作之合宜性,該田區乃以類似 的自然漫地流系統評估之。 研究結果發現本田區之土壤、長度、坡度、面積均符合規定,但灌溉週期採連續流方式使灌 溉率與水力負荷夠高, 雖然 BOD 負荷仍在理想值內,但對停留時間較長的氮硝化作用則不 甚理想,因此建議採分數個小田區的批式灌溉較合適。 本試驗中以 SS、BOD 去除效果較佳,單位去除量為 5.10、1.34 g/m ��.d, 氮、磷去除情 形分別為 0.45、-0.03 g/m ��.d 較差,水空心菜在進水口的生長也不如出水口良好,可見 營養質是供過於求。 無機氮的去除中僅 NO �荃� -N 在溼地之天然曝氣作用有明顯降低;農田出水中磷含量反較 進水高,以白天最為明顯;因此若能將水空心菜田的流速降低或減少灌溉率與週期,以提高 污水在農田中的停留時間,則能增進處理成效。 |
英文摘要 | This experiment was performed with diluted municipal wastewater to irrigate water spinach in Taichn Tsieh Tali region. Experimental area is on artificial wetland formed by overland-flow system over a period of time. The purpose of this paper is to estimate suitability of irrigation operation by municipal wastewater with natural overland-flow system. Result shows soil characteristic, slope length and grade, area were in accordance with overland-flow system. However, irrigation rate and hydraulic loading rate were too high by continual irrigation. Although BOD loading rate was under suggested value, the nitrification was not completed perfectly due to retention time. Thus, it will respond if the irrigation operation can change to pilot provision. The removal rate of SS and BOD were 5.10, 1.34 g/m��.d, which is pretty effective, and the removal rate of nitrogen and phosphorus is insignificant, only 0.45,-0.03 g/m��.d. Aeration process in water flow significantly decreased NO�荃�-N concentration in artificial wetland. However, removal efficiency of phosphorus is insiginificat, and concentration of phosphate in outflow is higher than inflow in daytime. Therefore, decreasing flow rate, irrigation rate and or increasing water retention time in this wetland system may increase efficiency of wastewater treatment. |
本系統中英文摘要資訊取自各篇刊載內容。