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題名 | 製備含2-丙烯醯胺甘醇酸之螯合樹脂並應用於吸附銅離子之研究=Adsorption of Cu(II) by a Chelating Resin Containing 2-Acrylamidoglycolic Acid |
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作者 | 陳志彥; 江禎立; 賴龍標; | 書刊名 | 南臺學報 |
卷期 | 35:1 2010.05[民99.05] |
頁次 | 頁51-60 |
分類號 | 467.4 |
關鍵詞 | 共聚合反應; 吸附; 2-丙烯醯胺甘醇酸; 蘭牟耳等溫吸附模式; Copolymerization; Adsorption; 2-Acrylamidoglycolic acid; Langmuir isotherm; |
語文 | 中文(Chinese) |
中文摘要 | 本文混合2-丙烯醯胺甘醇酸、甲基丙烯酸酯與二乙烯苯,經共聚合反應而得到可吸附重金屬離子之 螯合樹脂,PAGA。利用此PAGA 吸附銅離子時,20 分鐘即可達到0.86 mmole/(g PAGA) 的平衡吸附容 量;探討銅離子與吸附容量的關係確認吸附行為符合蘭牟耳(Langmuir)等溫吸附模式。而銅離子溶液的 pH 值在3~5 之間,PAGA 吸附Cu(II)受pH 值影響很小;但pH < 3 時,吸附容量隨pH 值的下降而有明 顯的降低。在不同種類的鹽離子干擾下,PAGA 吸附銅離子的能力受K+、Na+ 的影響遠低Mg2+ 與Ca2+ 的影響。而多次再生/重複使用證實PAGA 具備重覆使用的特色。 |
英文摘要 | A chelating resin, crosslinked poly(2-Acrylamidoglycolic acid-co-Methyl acrylate) (PAGA), was synthesized through a copolymerization of 2-Acrylamidoglycolic acid with Methyl acrylate and Divinylbenzene for adsorbing Cu(II) from aqueous solutions. The adsorption tended toward equilibrium at 20 min and the equilibrium adsorption capacity was 0.86 mmole/(g PAGA). The adsorption isotherms of Cu(II) by PAGA followed the Langmuir isotherm. When the pH of Cu(II) solution was greater than 3, the adsorption capacity was affected insignificantly. In the range of pH 1-3, the adsorption capacity decreased with decreasing the pH of Cu(II) solution. Adsorption of Cu(II) was affected slightly in the presence of NaCl and KCl. However, adsorptions of Cu(II) decreased with increasing the concentration of MgCl2 and CaCl2 in Cu(II) solution. PAGA is a good reusable adsorbent for the uptake of Cu(II) because the re-adsorption capacities exceed 90% of initial value after 5 cycles of adsorption-desorption operations. |
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