Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/510
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    Title: 二價金屬離子對奈米級零價金屬還原處理硝酸鹽之影響
    Authors: 蔡利局
    Contributors: 環境工程與科學系
    Keywords: 奈米級
    零價鐵
    二價金屬離子
    硝酸鹽
    nanoscale
    zero-valent iron
    divalent metal ion
    nitrate
    Date: 2006
    Issue Date: 2008-05-19 13:37:27 (UTC+8)
    Publisher: 台南縣:嘉南藥理科技大學環境工程與科學系
    Abstract: 本研究目的在於利用自行合成之二種奈米級零價金屬還原去除水中之硝酸鹽,並在不同起始pH值下,探討溶液中含有Fe2+ 與Cu2+ 時對於零價金屬還原去除硝酸鹽之影響。經實驗後發現奈米級的零價鎳對於水中之硝酸鹽並無去除效果,所以後續實驗主要以奈米級零價鐵進行探討。控制起始的pH值,並添加Fe2+與Cu2+於零價鐵去除硝酸鹽的溶液中時,發現在起始pH值為2的情況下,添加1.0mM的Cu2+時,硝酸鹽有最佳的去除效果。Cu2+會較顯著增加硝酸鹽之還原去除效果可能是由於Cu2+在鐵金屬表面被還原Cu0或Cu+ ,進而成為催化劑促進零價鐵還原能力。
    Relation: 計畫編號 : CNEE9509
    Appears in Collections:[Dept. of Environmental Engineering and Science (including master's program)] Chna Project

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