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研究生:許偉智
論文名稱:化學混凝脫色之研究
論文名稱(外文):Color Removal By Chemical Coagulation Process
指導教授:魏漣邦魏漣邦引用關係
學位類別:碩士
校院名稱:大葉大學
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:2002
畢業學年度:90
語文別:中文
中文關鍵詞:化學混凝混凝劑染整廢水陽離子高分子聚電解質
外文關鍵詞:Chemical coagulationCoagulantDye wastewatercationic Polyelectrolyte
相關次數:
  • 被引用被引用:1
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:1
在本研究中,將對三種染料(Reactive Red 141, Acid Blue 62, and Direct Yellow 86)溶液進行添加兩種無機混凝劑PAC、Alum及聚合成三種不同分子量的陽離子高分子聚電解質的脫色研究。
根據本研究中個實驗的結果,可以獲得以下之結論:
1、 陽離子高分子聚電解質對染料脫色是有效的。
2、 PAC的脫色效率較Alum為佳。
3、 染料結構上的磺酸基越多,則其脫色效率越好。
4、 添加過量陽離子高分子聚電解質會發生再穩定現象,使得陽離子高分子聚電解質有狹窄的最佳加藥劑量範圍。然而比起添加無機混凝劑的劑量,陽離子高分子聚電解質的添加劑量少許多。
5、 在高pH值條件下對無機混凝劑或是添加界面活性劑對陽離子高分子聚電解質都會明顯造成脫色效率低落。
6、 陽離子高分子聚電解質可與無機混凝劑依序混合添加去除水中染料顏色,此混合添加方式對脫色來說是可行的。
Two inorganic coagulants Alum (Al(SO4)3‧18H2O) and PAC (Polyaluminium chloride), and a cationic Polyelectrolyte (poly diallyldimethylammonium chloride) of three different molecular weights are used to explore the color removal of three aqueous solutions containing dye Reactive Red 141, Acid Blue 62, and Direct Yellow 86 respectively.
Based on the results of this study, the following can be concluded:
1. The color removal efficiency by the cationic Polyelectrolytes.
2. PAC is more effective to remove color than Alum.
3. The more the number of sulfonic group of the dyes, the better the color removal efficiency.
4. The restabilization induced by excess cationic Polyelectrolytes dose can result in the narrow range of optimum dosage. However the dosage is less in comparison with inorganic coagulants.
5. The removal efficiency is reduced significantly at high pH for the cationic Polyelectrolytes.
6. The cationic Polyelectrolytes can be added with the inorganic coagulants in sequence to remove dye color in water, and the synergy can be effect.
目錄
封面內頁
簽名頁
授權書                       iii
中文摘要                      v
英文摘要                      vi
誌謝                        vii
目錄                        viii
表目錄                       x
圖目錄                       xi
第一章 前言與研究目的 1
1.1 緣起 1
1.2 研究目的及內容 2
第二章 文獻回顧 3
2.1 染整廢水特性簡介 3
2.2 染料分類 10
2.3 色度去除方法 13
2.4 混凝/膠凝理論 21
2.5 高分子聚電解質簡介 36
第三章 實驗設備與方法 44
3.1 實驗設備與儀器 44
3.2 實驗藥品 44
3.3 實驗步驟 47
3.4 分析方法 55
第四章 結果與討論 57
4.1 基線實驗 57
4.2在不同酸鹼條件下,化學混凝與脫色效果之關係 69
4.3添加物對化學混凝脫色之影響 74
4.4無機混凝劑與高分子膠凝劑混加脫色 78
4.5 脫色加藥設計 82
第五章 結論與建議 84
5.1 結論 84
5.2 建議 85
參考文獻 86
附錄 90
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