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研究生:王國政
研究生(外文):K. C. Wang
論文名稱:魚市場廢水前處理之研究
論文名稱(外文):A Study of the Pretreatment of Fishery Market Wastewater
指導教授:劉志成劉志成引用關係
指導教授(外文):J. C. Liu
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:化學工程系
學門:工程學門
學類:化學工程學類
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
論文頁數:122
中文關鍵詞:混凝-沈澱溶解空氣浮除法微過濾魚市場前處理魚市場廢水
外文關鍵詞:Coagulation-flocculationdissolved air flotationmicrofiltrationfishery marketpretreatmentwastewater
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本研究之主要目的在於探討以混凝-沈澱、浮除及微過濾三種前處理程序來處理魚市場廢水,並作相互的比較。我們選定台北市魚市場之廢水研究,明暸三者做為魚市場廢水前處理的優劣處及可性行,減輕後續處理單元的負荷,改善廢水處理效能。
在混凝-沈澱方面是使用多元氯化鋁為混凝劑來進行瓶杯試驗,實驗結果顯示,當不添加混凝劑量時,COD和SS的去除率分別是38.16 % 和 57.26 %,顯示廢水中的懸浮固體與膠體粒子沈降性良好。而混凝劑濃度增加可提升懸浮固體去除效果,然而,對於COD去除率,卻無顯著的改善。在浮除方面,控制飽和壓力、迴流量為5 kg/cm2和30 %及瓶杯試驗之混凝條件進行浮除試驗。實驗結果顯示,其化學需氧量和懸浮固體的去除率比瓶杯試驗的實驗結果來得差。在微過濾方面,以不同操作壓力、掃流速度及不同材質之微過濾膜來進行微過濾實驗。實驗結果顯示,以微過濾處理魚市場廢水可得品質穩定之濾液。並利用Hermia method及阻力對時間作圖來模擬實驗結果,判斷流通量衰減原因。結果顯示流通量衰減原因為濾餅生成所導致。
結果顯示浮除效果不良,混凝-沈澱效果良好,而微過濾方法則最佳。

The major objective of this study was to investigate the pretreatment of fishery market wastewater. Experiments were conducted on the wastewater of Taipei wholesale fishery market to assess the efficiency of various pretreatment units. The performance of existing wastewater treatment plant was evaluated as well.
In the study, the optimal coagulation-flocculation conditions were assessed through jar test. Experimental results indicated that removal efficiency of suspended solids increased with increasing coagulant dosage. However, the removal efficiency of COD did not.
The efficiency of dissolved air flotation was not as effective as by coagulation-flocculation sedimentation. Possible causes of the poor performance were discussed.
Effects of operation pressure, crossflow velocity and membrane type were investigated in microfiltration experiment. Experimental results indicated that filtrate quality was good and consistent. Mechanisms of flux decline in crossflow microfiltration were modeled, and compared with experimental data.
Advantages and disadvantages of coaulation-flocculation and microfiltration were explored.

中文摘要 I
ABSTRACT II
誌 謝 III
目 錄 IV
圖表目錄 VII
第一章 前 言 1
第二章 理論基礎與文獻回顧 2
2.1 前處理 2
2.1.1 物理程序 2
2.1.2 化學程序 3
2.1.3 生物程序 4
2.2魚市場廢水 6
2.2.1 魚市場廢水的來源 6
2.2.2 魚市場廢水的性質 7
2.3化學混凝 8
2.3.1 化學混凝之簡介 8
2.3.2 高分子絮凝劑 8
2.3.3 絮凝機制 9
2.4 浮除法 11
2.4.1 浮除法之簡介 11
2.4.2 溶解空氣浮除法 12
2.4.3 氣泡-固態粒子凝集物之形成與移除 13
2.5 薄膜分離技術 16
2.5.1 薄膜種類及過濾機制 16
2.5.2 微過濾 16
2.5.3 微過濾處理廢水及含油廢水 17
2.5.4 薄膜程序處理廢水的優劣性 23
第三章 實驗設備與方法 25
3.1 實驗材料 25
3.1.1 碧沙觀光漁港市場之廢水 25
3.1.2 台中市漁市場之廢水 26
3.1.3 台中梧棲觀光漁港之市場廢水 27
3.1.4 台北漁產運銷股份有限公司之市場廢水 28
3.2 實驗藥品 30
3.3 實驗設備與裝置 32
3.3.1 溶解式空氣浮除裝置 33
3.3.2 微過濾裝置 33
3.4 實驗項目與步驟 37
3.4.1 混凝-沈澱實驗 37
3.4.2 溶解式空氣浮除實驗 38
3.4.3 微過濾實驗 40
3.5 分析測定方法 41
3.5.1 懸浮固體濃度分析 41
3.5.2 化學需氧量測定 42
3.5.3 生化需氧量測定 42
3.5.4 水中油脂檢測方法 43
3.5.5 氨氮分析 44
3.5.6 粒徑分佈分析 45
第四章 結果與討論 47
4.1 碧沙觀光漁港市場廢水 47
4.2 台中市漁市場廢水 49
4.3 台中梧棲觀光漁港市場廢水 51
4.4 台北漁產運銷股份有限公司市場廢水 53
4.4.1 台北漁產運銷股份有限公司市場廢水特性 53
4.4.2 台北漁產運銷股份有限公司廢水粒徑分析 54
4.4.3 混凝-沈澱試驗 56
4.4.4 溶解空氣浮除試驗 60
4.4.4.1 不添加藥劑之浮除試驗 60
4.4.4.2 添加混凝藥劑之浮除試驗 62
4.4.4.3 添加高分子絮凝劑之浮除試驗 63
4.4.5 微過濾試驗 65
4.4.5.1 魚市場廢水過濾 65
4.4.5.2 微過濾數學模式 76
4.4.5.3 過濾後水質 91
第五章 結論與建議 97
參考文獻 98
符號說明 110
作者簡介 112

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