本實驗將原製程剝膜廢液先做酸化及化學混凝處理將存在於廢液中之大部分有機物質予以混凝沉澱，由pH值、PAC/polymer的加藥比來探討化學混凝法對廢液中有機物之化學混凝及脫色之效果;接著藉由批式實驗來探討電芬法處理剝膜廢液中難分解有機物，由pH值、電流密度、雙氧水加藥量、雙氧水不同加入方式來探討電芬法對製程剝膜廢中難分解有機物之電解氧化破壞及脫色的效果;最後，將電芬水混合一般生活廢水(3:1)，用回分活性污泥法進行最後處理，由pH值、混合比、污泥之MLSS探討處理效果，並以重複操作證明活性污泥可重複利用; 製程剝膜廢水經此階段處理，處理後COD去除率高達80 ％，可大量降低這股廢水的有機污染量，其COD可降至現行排放標準以下(120 ppm)，且其去色率在電芬法及化混處理後，已可達透明無色(ADMI值＜100)，因此，本研究針對難以處理之製程剝膜廢提供了一可行的途徑。

Printed circuit board (PCB) manufacturing process consumes a large quantity of high-purity water for surface cleaning. The process thus produces a great volume of wastewater, containing various salts and many metal and organic pollutants. The wastewater, if not properly treated, can be detrimental to the environment.
The present study is to investigate treatment of PCB wastewater by combination of physical, chemical and biological methods, including chemical coagulation, electro-Fenton and sequencing batch reactor (SBR) method.
Chemical coagulation was adopted as a pretreatment of the raw PCB wastewater. The important operating variables of chemical coagulation included the initial pH, PAC/polymer ratio and the amount of PAC were examined and operating conditions identified for efficient operations. The test results have indicated that removal of suspended solids, color and some organic compounds by the pretreatment is quite good. After chemical coagulation, the wastewater effluent was treated by electro-Fenton in a batch reactor to investigate the effects of operating variables, including the initial pH, current density, the amount of hydrogen peroxide and hydrogen peroxide input method, on the oxidation performances . The results have shown that removal of color and some non-biodegradable organic compounds is excellent. Finally, sequencing batch reactor (SBR) method was considered as a polishing step for final treatment of the wastewater effluent. Various SBR test runs revealed that the SBR method was able to lower the final wastewater COD to below 120 mg/L and ADMI below 100.
In the kinetic studies, exponential, lumped and generalized kinetic models were adopted to model the electro-Fenton oxidation process. Best fit of these kinetic models was properly evaluated using the collected test data. The Eckenfelder kinetics of completely mixed type was adopted to model the biological reaction of the SBR process and the parameters of the model were empirically identified.

目 錄
頁次
中文摘要………………………………………………………………Ⅰ
英文摘要………………………………………………………………Ⅱ
目錄……………………………………………………………………Ⅲ
圖目錄…………………………………………………………………Ⅴ
表目錄…………………………………………………………………Ⅶ
符號說明………………………………………………………………Ⅷ
第一章 緒論 …………………………………………………………1
1-1 前言 ……………………………………………………………1
1-2 電路板廢水概述 ………………………………………………3
1-3 電路板廢水處理方式文獻回顧 ………………………………5
1-4 研究動機及內容 ………………………………………………17
第二章 理論 …………………………………………………………18
2-1化學混凝介紹 …………………………………………………18
2-2電芬法簡介 ……………………………………………………29
2-2-1 主要機構…………………………………………………29
2-2-2 操作影響因素與設備特性………………………………32
2-3 電芬法氧化動力學……………………………………………34
2-3-1指數動力學模式…………………………………………34
2-3-2總和動力學模式…………………………………………35
2-3-3通式動力學模式…………………………………………37
2-4 回分法介紹……………………………………………………40
2-4-1回分活性污泥法…………………………………………41
2-4-2 回分法之操作……………………………………………41
2-4-3 完全混合動力學模式……………………………………42
第三章 實驗裝置與分析方法 ……………………………………45
3-1實驗裝置 ………………………………………………………45
3-1-1化學混凝反應器…………………………………………45
3-1-2電芬法……………………………………………………47
3-1-3 回分活性污泥處理………………………………………47
3-2實驗流程及步驟………………………………………………49
3-2-1化學混凝…………………………………………………49
3-2-2電芬法……………………………………………………51
3-2-3回分活性污泥處理法……………………………………52
3-3 分析方法簡介…………………………………………………54
3-3-1 過氧化氫的氧化特性、應用及濃度分析………………54
3-3-2 水質分析…………………………………………………59
3-3-3 分析設備…………………………………………………60
3-4 藥品……………………………………………………………61
3-4-1 化學混凝部份……………………………………………61
3-4-2 電芬法實驗與檢測部份…………………………………61
3-4-3 化學需氧量檢驗部份……………………………………62
第四章 各單元之處理效果 ………………………………………63
4-1 化學混凝法之處理效果………………………………………63
4-1-1 不同初始pH值的影響 …………………………………63
4-1-2 不同PAC加藥量的影響…………………………………63
4-1-3 不同Polymer加藥量的影響 ……………………………64
4-1-4 製程剝膜廢液的最佳加藥量……………………………72
4-2 電芬法之處理效果 ……………………………………………73
4-2-l pH的值的影響……………………………………………74
4-2-2 H2O2的影響………………………………………………77
4-2-3 不同電解電流的影響………………………………………
4-2-4 不同電解電壓的影響………………………………………
4-2-5 加入食鹽的影響……………………………………………
4-2-6 攪拌速度的影響……………………………………………
4-2-7 反應器體積的影響…………………………………………
4-3 氧化動力學……………………………………………………87
4-3-1 指數動力學模式…………………………………………87
4-3-2 總和動力學模式……………………………………………
4-3-3 通式動力學模式……………………………………………
4-4 回分活性污泥法之處理效果…………………………………91
4-4-1 pH對處理效果之影響…………………………………
4-4-2 時間對處理效果之影響…………………………………
4-4-3 混合比對處理效果的影響…………………………………
4-4-4 回分式活性污泥之多批次處理測試………………………
4-4-5 生物動力學模式……………………………………………
第五章 結論與建議…………………………………………………92
5-1 結論……………………………………………………………92
5-2 建議……………………………………………………………93
參考文獻 ………………………………………………………………94

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