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    標題: Removal of arsenic from water by iron oxide
    以被覆鐵離子之海綿擔體處理含砷水樣之研究
    作者: Che-Jung Hsu
    Chia-Yuan Chang
    Jing-song Chang
    Tien Vinh Nguyen
    Saravanamuthu Vigneswaran
    貢獻者: 環境工程與科學系
    關鍵字: Arsenic
    Iron oxide coated sponge (IOCPs)
    Adsorption isotherm
    Scanning electron microscope (SEM)
    日期: 2009-10-23
    上傳時間: 2011-11-22 13:56:46 (UTC+8)
    摘要: The heavy metal such as Asenic (As) is known as carcinogenic substance and it can cause the contamination of groundwater. In this study, the iron oxide coated sponge (IOCSp) was used to investigate the removal efficiency of arsenic (As) in synthetic water and groundwater. The experiment was performed in lab scale column. The synthetic water and groundwater was pumped to IOCSp column at the different weight and bed volume of IOCSp. The remval efficiency of Arsenic (As) in the effluent was measured by Flame Atomic Absorption Spectrophotmoeter (FAAs) and observed using scanning electron microscope (SEM). The result showed that IOCSp can remove efficiently As (III) and As (V) from synthetic water and groundwater. The results of a basket type column study also indicated that IOCSp could be an appropriate technology for on-site treatment. Different reagents were tested for the solidification of wasted IOCSp, the optimal combination of reagents was found in this study. The result of this study showed that IOCSp could be an alternative technology for the removal of arsenic removal from water.
    關聯: 2009台灣環境資源永續發展研討會,起迄日:2009/10/23,地點:中央大學
    顯示於類別:[環境工程與科學系(所)] 會議論文

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