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題 名 | 氣提法整治受苯污染地下水之實驗室一維模擬=One Dimension Simulation for Benzene Removal by Air Sparging |
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作 者 | 蔡易縉; 陳逸群; | 書刊名 | 鑛冶 |
卷 期 | 48:3=187 2004.09[民93.09] |
頁 次 | 頁133-138 |
分類號 | 445.259 |
關鍵詞 | 氣提法; 揮發性有機物; 管柱實驗; 氣體飽和度; 整治效率; Air sparging; VOCs; Column test; Gas saturation; Remediation efficiency; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究為了解氣提法注氣時地下水中氣體飽和度與污染物移除速率的關係,利用玻璃管柱填充石英砂來進行實驗,實驗中選用苯為目標污染成份,在實驗的分析上採用分光光度計(UV Spectrophotometer)作為苯的連續監測工具,建立受苯污染之地下水氣提法整治的一維模型,並且調整不同的注氣速率,觀不同氣體飽和度(注氣速率)之污染物移除速率關係。實驗中發現氣體飽和度與整治效率成正相關,並且飽和度大於2%以上效率較佳,本研之研究成果將有助於氣提法整治時整治速率之評估及整治場址規劃,提昇整治效率。 |
英文摘要 | Experiments were performed in a 1-D column to establish the relationship between gas saturation and removal rata of pollutant. The porous media used in these studies was clean quartz sand with a density of 2.55 g/cm3. Benzene was selected as target compound, and was detected by the UV Spectrophotmeter. The relationship between gas saturation and removal rate of benzene was established by changing the gas injection rate. It was found that the removal rate was proportional to the gas saturation. And the remediation would be more efficient when the gas saturation is more than 2%. The result of this study are helpful to design the decontamination site and enhance the remediation efficiency. |
本系統中英文摘要資訊取自各篇刊載內容。