臺灣博碩士論文加值系統

本研究將電解氧化法應用於氯酚化合物之破壞處理上，並探討電極種類、金屬媒子、電流密度對氯酚化合物於單相存在及混合相存在時之去除效果影響，並以動力學之觀點探討比較之。
研究結果顯示，Ir(Ⅲ) oxide電極、Pd(Ⅱ) oxide電極、Pt(Ⅱ) oxide電極、Pt(Ⅳ) oxide電極、Ru(Ⅲ) oxide電極，五種不同特性電極中以高氧氣過電位之白金族電極Pt(Ⅱ) oxide電極及Pt(Ⅳ) oxide電極之電解效果較佳。於氯酚化合物電解反應過程中添加鈰離子與鈷離子兩種金屬媒子皆可得到更佳之反應效果，其中又以鈰離子效果較佳。電流密度之影響對Pt(Ⅱ) oxide電極及Pt(Ⅳ) oxide電極具有不同效果。Pt(Ⅱ) oxide電極之氧化率及反應速率常數皆隨著電流密度的增加而提升；Pt(Ⅳ) oxide電極之氧化率及反應速率常數皆隨著電流密度的增加而下降。本研究亦發現氯酚化合物於單相反應快者，於混合相時競爭能力強；混合相競爭力弱者易受操作條件影響。

Destruction of chorophenols (2-chorophenol, 3-chorophenol, and 4-chorophenol) was conducted in aqueous solution using electrochemical oxidation method. Study of operating parameters including anode material, mediator and current density were conducted to investigate the influences on removal efficiency and reaction kinetics of the process. Experimental results show that Pt(Ⅱ) oxide and Pt(Ⅳ) oxide anodes exhibit good performance among the five studied electrodes, including Ir(Ⅲ) oxide, Pd(Ⅱ) oxide, Pt(Ⅱ) oxide, Pt(Ⅳ) oxide, and Ru(Ⅲ) oxide. It was also found that the addition of either cerium ion or cobalt ion as a mediator can enhance the chlorophenol removal efficiency of the process. The effect of current density on chlorophenol removal efficiency was found to be varied as different anodes were used. The removal efficiency and rate constant obtained by Pt(Ⅱ) oxide electrode were increased as the current density increased, while those obtained by Pt(Ⅳ) oxide electrode were decreased as the current density increased.

誌謝……………………………………………………………………………i
中文摘要………………………………………………………………..…….ii
英文摘要………………………………………………….………………….iii
目錄.................................................……………….........................................iv
表目錄.............................................................................................................vii
圖目錄.....................................…………….....................................................ix

第一章 前言
第一節 研究動機與目的……………………………………………….1
第二節 研究內容與方法..............………………...................................2
第二章 文獻回顧
第一節 酚類化合物......................……………………….......................3
一 酚的有機特性....................………………………….................3
二 氯酚化合物之ㄧ般性質...............……………………..............4
三 氯酚化合物之用途與廢水來源....…………………….............4
四 氯酚化合物之毒性與管制標準....………………….................6
第二節 氯酚化合物之處理方式.....................……………....................9
一 生物處理程序.......................……………………......................9
二 化學氧化處理程序............………………………...................11
三 光化學處理程序.........…………………………......................15
四 電解氧化處理程序...........…………………………................17
第三節 電解氧化法..................…………………………….................20
一 電解氧化原理...........…………………………........................20
二 影響電解氧化之操作因子.....…………………………..........21
第三章 實驗設備材料與方法
第一節 實驗設備..............................……………………….................24
一 電解實驗設備.........………………………………..................24
二 水質分析設備...........………………………………................26
三 電化學分析設備………………………………………...……27
第二節 實驗材料.........……………………………………..................29
一 藥品............…………………………………………...............29
二 人工配製廢水..……………………...………………..............29
三 電極材料.......…………………….…………………...............29
第三節 實驗方法與步驟...………………………………………........30
一 電解實驗方法..……………………………………….............31
二 樣品分析方法.....……………………………………..............31
三 電化學分析方法………………………………………...……31
第四章 結果與討論
第一節 電解氧化對氯酚化合物之去除效應………………...………32
一 電極材料之影響……………………………………...………32
二 反應槽之影響………………………………...………………36
三 小結…………………………………………………...………36
第二節 添加金屬媒子對氯酚化合物之電解氧化效應………...……44
一 金屬媒子之影響…………………………...…………………44
二 電流密度之影響…………………………………...…………46
三 小結……………………………………...……………………48
第三節 添加金屬媒子對混合相氯酚化合物之電解氧化效應...……59
一 金屬媒子之影響……………………………………...………59
二 電流密度之影響……………………………………...………60
三 小結……………………………………………...……………61
四 電解氧化對單相及混合相氯酚之比較………………...……72
第五章 結論與建議
第一節 結論……………………………………………………...……81
第二節 建議………………………………………………...…………82

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