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頁籤選單縮合
題 名 | 鎘污染農地復育暨土壤肥力提升=Remediation of Cd-contaminated Farming and Fertility Enhancement |
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作 者 | 張博文; 洪堅仁; 王奕森; 譚義績; | 書刊名 | 農業工程學報 |
卷 期 | 49:2 2003.06[民92.06] |
頁 次 | 頁23-34 |
分類號 | 445.6 |
關鍵詞 | 現場試驗; 電動力; 鎘; 復育; 土壤肥力; Pilot test; Electrokinectic; Cadmium; Remediation; Soil fertility; |
語 文 | 中文(Chinese) |
中文摘要 | 電動力復育技術為一極具潛力之土壤復育技術,尤其是對於低滲透性的土壤。本現場試驗主要為應用電動力復育技術現地移除坋質壤土農地之鎘污染物,並探討復育過程中鎘污染物之移除效率與土壤肥力之提升效果。本試驗以檸檬酸及界面活性劑為處理液,藉由施加直流電流,配合土壤化性的改善,證實能同時改善坋質壤土農地之鎘污染及提升土壤肥力。本試驗結果指出試驗過程最終土壤鎘之移除效率為76.59%,而對於土壤中的有機質、全氮、Bray-1磷、交換性鉀及交換性鎂亦皆有相對程度之提升,且在適當的操作環境下,電動力復育技術未來可作為全面土壤污染現地復育時整治工作之參考。 |
英文摘要 | Electrokinectic (EK) treatment Process is of a useful remedial technology, particularly on the soil with low permeability. This pilot test implements EK technology to remove heavy metal Cd from the silty loam in rice field, and to evaluates the removal efficiency of Cd and the promotion of soil fertility enhancement during treatment process. The test uses citric acid-surfactant mixture as treatment solution under an implied electrical filed to enhance the removal of Cd and the fertility of silty farm soil simultaneously. The test results revealed that EK process gained in a Cd removal efficiency of 76.59%; also the content total nitrogen, Bray-1 phosphorus, and exchangeable potassium and magnesium were relatively elevated after 92 days of treatment duration. It concludes that EK treatment technology may be capable of mitigating soil contaminated with not only heavy metals but also organic compounds in the future. |
本系統中英文摘要資訊取自各篇刊載內容。