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研究生:吳宛蓁
研究生(外文):Wu, Wan-Chen
論文名稱:丙烯酸改質柳安木屑應用於吸附水中毒性物質
論文名稱(外文):Synthesis of acrylic acid-modified shorea sawdust and its application for adsorbing toxic materials in water solution
指導教授:潘定中
指導教授(外文):Pan, Ting-Chung
口試委員:許旭東劉孟春
口試委員(外文):Hsu, Shih-TongLiu, Meng-Chun
口試日期:2017-06-07
學位類別:碩士
校院名稱:崑山科技大學
系所名稱:環境工程研究所
學門:工程學門
學類:環境工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:49
中文關鍵詞:木屑丙烯酸接枝共聚合反應吸附巴拉刈孔雀綠鉛離子
外文關鍵詞:sawdustacrylic acidgraft copolymerizationadsorptionparaquatmalachite greenPb+2
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本文以硝酸鈰銨為起始劑,以接枝共聚合反應方式,將丙烯酸接枝在柳安木屑上,製成柳安木屑-聚丙烯酸共聚合物。探討共聚合起始劑初濃度、反應溫度及丙烯酸/木屑比例等因素對接枝反應的影響,尋找可獲得最高接枝百分比的反應條件,實驗結果顯示,最佳反應條件為硝酸鈰銨濃度0.16M、25℃及丙烯酸/木屑比例為9/1,其接枝百分比為231.7%。取用最高接枝百分比的共聚合產物進行水解,將接枝的羧酸基轉化為鈉鹽形式,製成新型木屑-聚丙烯酸吸附劑,應用在巴拉刈、孔雀綠、重金屬鉛離子等廢水中常見之毒性物質的吸附。三種毒性物質的吸附等溫線結果,顯示Freundlich吸附模式比Langmuir吸附模式更能準確描述其吸附行為。最大單層飽和吸附量qm( Monolayer adsorption capacity ),分別為巴拉刈339.79mg/g-adsorben、孔雀綠303.03mg/g-adsorbent及鉛離子347.9mg/g-adsorbent。
Acrylic acid (AA) grafted shorea sawdust (SD)was synthesized using graft copolymerization with ammonium ceriumnitrateas the initiator.The effects of initial concentration, reaction temperature,and AA/sawdust ratio of copolymerization initiator on the grafting reaction were investigated. The results showed that the optimum reaction conditions were [Ce+4] 0.16M , 25℃,and [AA/SD] ratio of 9/1. The highest grafting percentage was231.7% .
A representative polyacrylicacid-g-SD( SD-g-PAA )copolymer was hydrolyzed to a salt type and applied to the adsorption of paraquat,malachite green, and Pb+2.The adsorption equilibrium data correlate more closely with the Freundlich isotherm than with the Langmuir isotherm.The maximum adsorption capacity of modified sawdust is 339.79, 303.03, and 347.9 mg/g-adsorbent for the paraquat,malachite green, and Pb+2 respectively.
中文摘要 IV
Abstract V
誌謝 VII
目錄 VIII
表目錄 X
圖目錄 XI
一、序言 1
1-1 前言 1
1-2 研究動機 2
二、文獻回顧 3
2-1 木屑的介紹 3
2-1-1 木屑概述 3
2-1-2 木屑的成分 4
2-2 吸附理論 5
2-2-1 吸附概論 5
2-2-2 吸附種類 5
2-2-3 影響吸附之因素 8
2-2-4 常見之吸附劑 10
2-3 吸附模式 13
2-3-1 Langmuir 等溫吸附模式 14
2-3-2 Freundlich等溫吸附模式 16
2-4 毒性物質 16
2-4-1 巴拉刈 16
2-4-2 孔雀綠 18
2-4-3 Pb+2(aq)離子 20
2-4-4 近年相關文獻 21
三、實驗材料與方法 22
3-1 實驗材料與藥品 22
3-2 儀器設備 23
3-3 研究流程 23
3-3-1 木屑處理 25
3-3-2 接枝共聚合反應 25
3-3-3 接枝共聚合物水解 27
3-4 吸附實驗 28
3-4-1 巴拉刈吸附實驗 28
3-4-2 孔雀綠吸附實驗 29
3-4-3 Pb+2(aq) 離子吸附實驗 30
四、結果與討論 32
4-1 實驗方法探討木屑與丙烯酸接枝共聚合反應 32
4-2 接枝共聚合物為結構鑑定分析 34
4-2-1 FT-IR 接枝共聚合物表面官能基鑑定分析 34
4-2-2 Solid state 13C-NMR 接枝共聚合物微結構之鑑定 35
4-3 吸附實驗 37
4-3-1 巴拉刈吸附實驗 37
4-3-2 孔雀綠吸附實驗 39
4-3-3 Pb+2(aq)離子吸附實驗 41
五、結論 44
參考文獻 45
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