Adsorption of Binary Dye Solution Using Activated Carbon Prepared from Waste Sludge and the Evalution of the Subsequent
蕭俊弘、柯雅雯 ; 江鴻龍
E-mail: [email protected]
ABSTRACT
Among various methods of wastewater treatment, adsorption is one of the effective processes. The objectives of the research is to compare the adsorption efficiencies of the commercial GAC and the adsorbents prepared from waste sludge, in terms of the removal of dyestuff solutions. Both single (RR141、AR27and MG) and binary mixed dyestuff solutions (MG+AR27 and MG+RR141) were studied , and effects of adsorption temperature (30℃、40℃、45℃) and initial concentration (20~100ppm) were also discussed.
Besides, TiO2 and adsorbents were combined to evaluate the possibility of adsorption and photocatalytic degradation. The results showed that the adsorption of binary mixed dye solutions using GAC and prepared adsorbents could be well described by the rate equation of pseudo-second-order reaction. The equilibrium adsorption capacity of GAC is slightly greater than that of prepared adsorbents. As for the adsorption isotherms, The Redlich-Peterson equation could successfully describe most conditions, except the adsorption of RR141 by GAC. There was no obvious difference among various photocatalytic reactions using different
photocatalysts combined with adsorbents.
Keywords : Equilibrium adsorption capacity, Adsorption kinetic equation, waste sludge, Dyestuff, Photocatalysts Table of Contents
目錄 封面內頁 簽名頁 授權書... iii 中文摘要... iv 英文摘要... v 誌謝... vi 目錄... vii 圖目錄... x 表目
錄... xii 第一章 前言... 01 1.1 研究緣起... 01 1.2 研究目
的... 02 1.3 研究內容... 02 第二章 文獻回顧... 03 2.1 吸附的基礎理論與 模式... 03 2.1.1 影響吸附之因子... 03 2.1.2 等溫吸附模式... 04 2.1.3 吸附動力模 式... 08 2.2 以廢棄物研製吸附劑之研究... 09 2.3 雙成份染料的競爭吸附研究... 13 2.4 吸附劑 結合光觸媒... 15 第三章 實驗材料與研究方法... 17 3.1 實驗設備與材料... 17 3.1.1 實驗 儀器與器材... 17 3.1.2 實驗藥品... 18 3.2 研究流程... 19 3.3 實驗設計與參 數... 21 3.4 實驗步驟... 22 3.4.1 以廢污泥製成吸附劑的方法... 22 3.4.2 自製吸附劑表 面特性的分析... 23 3.4.3 單成份染料吸附實驗... 23 3.4.4 雙成份染料吸附實驗... 24 3.4.5 光觸媒 吸附劑的製備... 24 3.4.6 光觸媒吸附劑吸附實驗... 25 第四章 結果與討論... 26 4.1 吸附劑 之研製與其特性分析... 26 4.1.1 EDX分析結果... 27 4.1.2 BET分析結果... 27 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... 31 4.2.3 等 溫吸附模式... 33 4.2.4 吸附動力式... 35 4.3 雙成份染料之吸附... 37 4.3.1 雙成份 染料溶液的分析... 38 4.3.2 活性碳吸附情形... 39 4.3.3 自製吸附劑吸附情形... 41 4.3.4 等溫 吸附模式... 42 4.3.5 吸附動力模式... 46 4.4 比較單、雙成份染料溶液的吸附效果... 47 4.5 光 觸媒吸附與光照實驗... 49 4.5.1 吸附劑與活性碳結合不同量的TiCl4... 49 第五章 結論與建議...
52 5.1 結論... 52 5.2 建議... 53 參考文獻... 54 附 錄... 59
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