- 學位論文
Fenton法與活性碳管柱吸附處理掩埋場垃圾滲出液之研究
Leachate Fenton’s Pretreatment and Subsequent Adsorption by Activated Carbon
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摘要
本研究探討滲出液經Fenton’s氧化法處理，再以活性碳進行吸附調查污染物之去除效果。吸附管柱狀高為100公分，內徑為20公分，試驗滲出液由上流下於底部收集進行污染物濃度分析。 實驗結果顯示化學需氧量、色度、氨氮與鈣/鎂等分別於10、30、40與8床體積時，可達吸附飽和。重金屬吸附強度為Cd > Pb > Cr > Zn > Ni > Cu。吸附流出之水質經Microtox test進行毒理分析得知其均未達EC50之範圍。研究結果顯示活性碳具吸附金屬、色度、化學需氧量與氨氮等之潛勢，其吸附後之放流經Microtox test測試對環境毒理尚未達影響程度。
並列摘要
This study aims at investigating the adsorption of leachate by activated carbon preliminarily treated with Fenton’s oxidation. Adsorption column was 100 cm height and 20 cm diameter. Leachate flowed through up to bottom and the treated leachate was collected for analysis. Results showed that adsorption equilibrium of chemical oxygen demand, color, ammonium nitrogen and Ca/Mg was reached at 10, 30, 40 and 8 bed volume. Adsorption intensity of heavy metals was found to be Cd > Pb > Cr > Zn > Ni > Cu. Treated leachate was examined for toxicology by Microtox test and the result showed that it did not reach the EC50. It is evident that activated carbon showed to have the adsorption capability of chemical oxygen demand, color, ammonium nitrogen and metals. It also showed that the treated leachate had not potential impact on environmental toxicity.
參考文獻
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