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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/33276完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 張慶源 | |
| dc.contributor.author | Guo-En Hsu | en |
| dc.contributor.author | 許國恩 | zh_TW |
| dc.date.accessioned | 2021-06-13T04:32:22Z | - |
| dc.date.available | 2011-07-25 | |
| dc.date.copyright | 2006-07-25 | |
| dc.date.issued | 2006 | |
| dc.date.submitted | 2006-07-19 | |
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Zhang, “Adsorption of Phenylhydrazine Derivatives on Hypercrosslinked Polymeric Adsorbents,” React. Funct. Polym., 57(2-3), 93-102 (2003). http://www.ag168.com/default.htm, 2006. http://extoxnet.orst.edu/ghindex.html, 2006. http://toxnet.nlm.nih.gov, 2006. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/33276 | - |
| dc.description.abstract | 農藥過量使用及使用不當會造成農藥之殘留，且因不易生物降解而在環境中累積進而對水質環境造成嚴重影響。本研究以粒狀活性炭F-400及新穎超高交聯樹脂MN-100、MN-150及MN-500等吸附劑吸附去除水中殘留之農藥納乃得（methomyl，為台灣用量最大之殺蟲劑之ㄧ）。研究內容包含了吸附劑之物理化學特性鑑定及吸附行為之探討（包含：等溫吸附行為和動力吸附行為之探討），並求出與吸附行為相關之各項參數，期對各種吸附劑對納乃得吸附行為做一全盤性了解。
超高交聯樹脂與活性炭F-400均具有相當大之比表面積，其孔隙結構皆以微孔為主，中孔為次，微孔體積均約佔總體積44%-58%。四種吸附劑平均（中數， medium）顆粒粒徑由大而小分別為F-400、MN-100、MN-150及MN-500，粒徑依序為822、677、662及651 μm。超高交聯樹脂之粒徑分佈較活性炭狹窄且均勻。 Langmuir與 Freundlich等溫吸附方程式可以有效地模擬超高交聯樹脂和活性炭F-400之等溫吸附行為。活性炭F-400及超高交聯樹脂MN-100、MN-150及MN-500四種吸附劑之Langmuir等溫吸附單層飽和吸附量qL值分別為145、21.60、24.15及5.07 g kg-1，實驗結果顯示F-400具有最高的吸附容量，且當水中存在有其他有機物質時(humic acid)，會因產生競相吸附而導致methomyl吸附量下降。 在完全攪拌反應槽(completely stirred tank reactor, CSTR)之吸附動力學方面，分別以整體性動力（包含假性一階動力方程式、假性二階動力方程式、及Elovich rate equation）、及傳統動力學（包含表面擴散、孔擴散、及分枝孔擴散動力模式）分析進行探討。結果顯示：假性二階動力方程式和Elovich rate equation皆可有效地模擬四種吸附劑對methomyl之吸附動力行為；表面擴散、孔擴散及分枝孔擴散動力模式皆能有效的描述methomyl在四種吸附劑顆粒之內部質量傳送行為，其中以分枝孔擴散模式模擬methomyl在吸附劑內部之質量傳送可得最佳效果。 固定管柱吸附貫穿實驗中，依法規標準來判定，此三吸附劑（F-400、MN-100、MN-150）真正處理methomyl之溶液體積仍有限。而由表面擴散模式所求得之動力學參數結合linear driving force模式可有效的預測MN-100和MN-150之吸附貫穿行為。此外，以Yoon and Nelson方程式可以有效地模擬F-400、MN-100及MN-150三種吸附劑對水中methomyl之吸附貫穿行為。有機溶劑甲醇可以有效地將飽和之超高交聯樹脂完全再生，且不影響其對methomyl之吸附容量。 | zh_TW |
| dc.description.abstract | Activated carbon (F-400) and novel hypercrosslinked polymer (Macronet MN-100, MN-150, and MN-500) were used as the adsorbents for the removal of pesticide (i.e., methomyl) from the aqueous solution. The physicochemical characteristics of adsorbents, and adsorption behaviors including adsorption kinetics and dynamics were investigated. Furthermore, factors affecting the adsorption equilibrium and kinetics were also examined in this study.
Marcronet resins and activated carbon F-400 possess high specific surface areas and all are microporous due to the high micropore volume. In addition, Marcronet resins are more uniform and homogeneous than activated carbon F-400. The Langmuir and Freundlich isotherms successfully predicted the adsorption equilibrium behaviors of methomyl onto F-400 and Marcronet resins. Furthermore, the monolayer adsorption capacity (qL) of F-400 for methomyl (145 g kg-1) was higher than that of Marcronet resins. The natural organic matter decreased the adsorption capacity of methomyl onto F-400 and MN-150 because of the competitive adsorption. Regarding the adsorption kinetics of methomyl on various adsorbents from solutions in completely stirred tank reactor (CSTR), global kinetics (pseudo-first-order, pseudo-second-order, and Elovich rate equations) and traditional kinetics (surface, pore, and branched pore diffusion kinetics) models were investigated in this study. The pseudo-second-order, Elovich rate equations and traditional kinetics models can well predict the adsorption kinetics of methomyl onto F-400 and Marcronet resins. The adsorption dynamics of methomyl in the fixed bed showed that the adsorption capacity of methomyl on F-400 was the highest among the adsorbents investigated. The parameters obtained from surface diffusion model combined with linear driving force model, and Yoon and Nelson equation can well describe the breakthrough curve of adsorption of methomyl in the adsorber systems. The organic solvent (i.e., methanol) can completely regenerate the exhausted adsorbent without reducing the original adsorption capacity of methomyl. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T04:32:22Z (GMT). No. of bitstreams: 1 ntu-95-R93541205-1.pdf: 3905383 bytes, checksum: 3d636e08803dfbce24053697b3c631e8 (MD5) Previous issue date: 2006 | en |
| dc.description.tableofcontents | 中文摘要 i
ABSTRACT iii 目錄 v 表 目 錄 x 圖 目 錄 xiv 符 號 說 明 xx 縮 寫 說 明 xxv 第一章 緒論 1 1.1 研究背景 1 1.2 研究目的 2 第二章 文獻回顧 4 2.1 農藥 4 2.1.1 農藥簡介及發展概況 4 2.1.2 農藥使用情形及分類 4 2.1.2.1 依防治對象區分 6 2.1.2.2 依有效成分區分 6 2.1.2.3 依毒性區分 9 2.1.3 氨基甲酸鹽農藥(Carbamate) 11 2.1.4 農藥之處理方法 12 2.2吸附總論 15 2.2.1吸附基本理論 15 2.2.2等溫吸附方程式 15 2.2.2.1 Freundlich等溫吸附方程式 15 2.2.2.2 Langmuir等溫吸附方程式 17 2.2.3 等溫吸脫附曲線 18 2.2.3.1 等溫吸附曲線 18 2.2.3.2 遲滯迴路(Hysteresis Loops) 19 2.2.4 吸附動力學理論 22 2.2.4.1 整體性動力學分析(Global Kinetic Expressions) 22 2.2.4.1.1 假性一階動力程序(Pseudo-first-order Process) 23 2.2.4.1.2 假性二階動力程序(Pseudo-second-order Process) 23 2.2.4.1.3 Elovich Rate Equation 24 2.2.4.1.4 Intraparticle Diffusion 25 2.2.4.2 傳統動力學模式 25 2.2.4.2.1 密閉系統之質量平衡 25 2.2.4.2.2 外部質量傳送(External Mass Transfer) 26 2.2.4.2.3 由物理化學特性計算液相擴散係數 29 2.2.4.2.4 內部質量傳送 32 2.2.5小規模管柱吸附動力 37 2.2.5.1 簡介 37 2.2.5.2 吸附床效率 37 2.2.5.3 吸附貫穿模式之基本理論 39 2.2.5.3.1 Yoon and Nelson Theory 39 2.2.5.3.2 Linear Driving Force (LDF) Model 41 2.2.6 影響吸附之因素 42 2.2.6.1吸附劑特性 42 2.2.6.2吸附質特性 43 2.2.6.3環境因子 43 2.3吸附劑總論 45 2.3.1活性炭 46 2.3.2高分子樹脂 46 2.3.2.1 超高交聯樹脂 47 2.3.2.2 超高交聯樹脂吸附之相關文獻 47 第三章 實驗設備與研究方法 51 3.1 實驗藥品 51 3.2 實驗設備 53 3.2.1 吸附劑物理化學特性分析 53 3.2.2 吸附實驗系統 54 3.3 實驗步驟 57 3.3.1 吸附劑之前處理 57 3.3.2 吸附劑物理化學特性實驗操作步驟 57 3.3.2.1 比表面積與孔隙分布 57 3.3.2.2 粒徑分析 60 3.3.2.3 密度 60 3.3.2.4 掃描式電子顯微鏡(Scanning Electron Microscopy, SEM) 60 3.3.2.5 表面電位 61 3.3.2.6 表面官能基 61 3.3.3 吸附行為之探討 62 3.3.3.1 儲備標準溶液 62 3.3.3.2 等溫吸附線 62 3.3.3.3 腐植酸之競相吸附 63 3.3.3.4 pH值對吸附行為之影響 63 3.3.4 吸附管柱試驗 66 3.4 實驗分析方法及條件 66 3.4.1 分光光度計 66 3.4.2 高效能液相層析儀 67 3.4.3 總有機碳分析儀(Total Organic Carbon Analyzer) 69 第四章 結果與討論 71 4.1 吸附劑之物理化學特性 71 4.1.1 粒徑分析 71 4.1.2 比表面積與孔隙結構 78 4.1.3 密度分析 81 4.1.4 掃描式電子顯微鏡 81 4.1.5 表面電位 87 4.1.6 FTIR分析 87 4.2 納乃得(Methomyl)之吸附平衡 95 4.2.1 吸附劑前處理 95 4.2.2 完全混合攪拌槽(CSTR)吸附之空白試驗 95 4.2.3 平衡時間之探討 95 4.2.4 CSTR系統之最佳轉速測試 95 4.2.5 Methomyl之等溫吸附行為 98 4.2.6 pH值對吸附行為之影響 102 4.2.7 腐植酸之競相吸附 102 4.3 完全攪拌反應槽之吸附動力 106 4.3.1 整體性動力分析 106 4.3.2 外部質量傳送 111 4.3.2.1 不同轉速試驗 111 4.3.2.2 不同吸附劑之外部質量傳送係數 111 4.3.3 液相擴散係數 129 4.3.4 內部質量傳送 129 4.3.4.1 不同吸附劑之內部質量傳送係數 129 4.3.4.2 不同濃度之內部質量傳送係數 137 4.4 管柱吸附動力 138 4.4.1 管柱吸附實驗 138 4.4.2 管柱再生 138 4.4.3 吸附貫穿模式 154 4.4.3.1 Yoon and Nelson Equation 154 4.4.3.2 LDF Model 154 第五章 結論與建議 158 5.1 結論 158 5.1.1 吸附劑之物理化學特性 158 5.1.2 Methomyl之吸附平衡 158 5.1.3 完全攪拌反應槽之吸附動力 159 5.1.4 管柱吸附動力 159 5.2 建議 160 參考文獻 161 附錄A. 篩網規格ㄧ覽表 167 附錄B. 常壓沸點的莫耳體積之計算 168 附錄C. 管柱外部質量傳送係數之計算 171 個人簡歷 173 | |
| dc.language.iso | zh-TW | |
| dc.subject | 納乃得 | zh_TW |
| dc.subject | 農藥 | zh_TW |
| dc.subject | 超高交聯樹脂 | zh_TW |
| dc.subject | 質量傳送 | zh_TW |
| dc.subject | 吸附動力 | zh_TW |
| dc.subject | 吸附 | zh_TW |
| dc.subject | adsorption dynamics | en |
| dc.subject | methomyl | en |
| dc.subject | activated carbon | en |
| dc.subject | hypercrosslinked polymer | en |
| dc.subject | adsorption isotherm | en |
| dc.subject | adsorption kinetics | en |
| dc.title | 應用新穎吸附劑吸附去除水體中農藥之研究 | zh_TW |
| dc.title | A Study of Application of Novel Adsorbents on the Removal of Pesticides from Water | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 94-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 張奉文,張瓊芬 | |
| dc.subject.keyword | 農藥,納乃得,吸附,超高交聯樹脂,質量傳送,吸附動力, | zh_TW |
| dc.subject.keyword | methomyl,activated carbon,hypercrosslinked polymer,adsorption isotherm,adsorption kinetics,adsorption dynamics, | en |
| dc.relation.page | 173 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2006-07-21 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 環境工程學研究所 | zh_TW |
| 顯示於系所單位： | 環境工程學研究所 | |
文件中的檔案：
| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-95-1.pdf 未授權公開取用 | 3.81 MB | Adobe PDF |
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