Adsorption of Binary Dye Solutions onto the Adsorbent Prepared from Waste Sludge by the Chemical Activation Technique
黃秉仁、柯雅雯
E-mail: [email protected]
ABSTRACT
The objectives of the research are to prepare the adsorbents using waste sludge as the raw material, and using different chemical activation techniques. The adsorption behavior on the removal of single and binary dyestuff solutions was studied and compare with the results of commercial GAC. Four single (AR4, AR27, MG, and RB5) and two binary dyestuff solutions (MG+AR27 and RB5+AR4) were investigated.
Among three chemical activation techniques, the adsorbents using ZnCl2+H2SO4 was found to exhibit the greatest adsorption capability. The results showed that the adsorption of binary dye solutions could be well described by the rate equation of
pseudo-second-order reaction. As for the adsorption isotherms, the Langmuir adsorption isotherm could successfully describe most conditions. Based on the data from the adsorption of single dye solution, the p-factor analysis was also applied to predict the adsorption capacity of binary dye solutions.
Keywords : Waste sludge、Chemical activation techniques、Kinetic equation、Langmuir adsorption isotherm、Dye Table of Contents
封面內頁 簽名頁 授權書 iii 中文摘要 iv 英文摘要 vi 誌謝 vi 目錄 vii 圖目錄 x 表目錄 xii
第一章 前言1 1.1 研究緣起1 1.2 研究目的2 1.3 研究內容2 第二章 文獻回顧3
2.1吸附的基礎理論與模式3 2.1.1等溫吸附模式3 2.1.2 吸附動力模式7
2.2以廢棄物添加活化劑製備吸附劑相關之研究8 2.3雙成份的競爭吸附之研究12
第三章 實驗材料與研究方法15 3.1實驗設備與材料15
3.1.1實驗儀器與器材15 3.1.2實驗藥品16 3.2 研究流程17 3.3 實驗設計與參數19 3.4 實驗步驟20
3.4.1 以廢污泥製成吸附劑的方法21 3.4.2 單成份染料吸附實驗22 3.4.3 雙成份染料吸附實驗23
第四章 結果與討論24 4.1 吸附劑之物化特性分析24 4.1.1 EDX分析結果24 4.1.2 BET分析結果26 4.2單成份染料之吸附28 4.2.1活性碳吸附情形28 4.2.2自製吸附劑吸附情形29 4.2.3等溫吸附模式31 4.2.4吸附動力模式34 4.3雙成份染料之吸附37
4.3.1雙成分染料溶液的濃度分析37
4.3.2雙成份染料(AR4+RB5、AR27+MG)之吸附情形39 4.3.3雙成份染料(AR4+RB5、AR27+MG)等溫吸附模式45 4.3.1雙成份染料(AR4+RB5、AR27+MG)動力模式49 第五章 結論與建議51
5.1結論51 5.2建議51 參考文獻 53 附錄58
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