厭氧生物與薄膜組合程序處理食品廢水之性能研究 吳鴻榮、魏漣邦
E-mail: [email protected]
摘 要
中文摘要 本研究針對現有食品加工廢水處理場，在土地限制的條件下，探討提昇處理容量的可行性。採用的方案是一方面 改良現有上流式厭氧污泥床處理槽(UASB)三相分離器的構造，使能截留較多的厭氧污泥；另一方面則採用薄膜程序，去 除UASB出流水的懸浮固體及膠體。即以厭氧生物與薄膜組合程序處理食品加工廢水。 本研究除進行現有UASB與改良 型UASB實廠測試外，並以無三相分離器的厭氧污泥床Bench-scale加以驗證。薄膜程序則採用中空纖維膜及不織布膜進行 測試。為防止薄膜結垢(碳酸鈣)，UASB出流水先經預曝氣後再進入薄膜程序。 本研究歷經兩個月試驗後，得知改良 型UASB可提昇食品加工廢水至二倍的處理容量；薄膜程序的中空纖維膜及不織布膜二種薄膜性能，短期而言，其溶解 性COD去除率大致相同，長期而言，不織布膜則較早劣化。
關鍵詞 : 食品廢水，厭氧生物處理，薄膜程序
目錄
目錄 封面內頁 簽名頁 授權書 iii 中文摘要 英文摘要 ? 誌謝 ? 目錄 ? 圖目錄 表目錄 ? 第一章 前言 1.1 研究緣由………
………….14 1.2研究範圍及內容 1.2.1 UASB處理能力提昇評估 ……… 15 1.2.2薄膜處理程序可行性評估
……….15 1.2.3UASB與薄膜組合程序評估………..…………..15 1.3研究架構 ………
……….…15 第二章 文獻回顧 2.1 UASB處理程序 2.1.1 厭氣生物處理 2.1.1.1厭氣處理之反應機制………
………17 2.1.1.2影響厭氣處理之因素………19 2.1.1.3厭氣處理程序之發展………
………24 2.1.2 UASB處理槽之特性與構造 2.1.2.1UASB處理槽之特性………..….25 2.1.2.2UASB 處理槽之構造………..……….26 2.2薄膜處理程序 2.2.1薄膜種類………31 2.2.2薄膜材質與型式………32 2.2.3薄膜過濾原理………37 2.3薄 膜生物處理系統（MBR） 2.3.1MBR簡介………..…………39 2.3.1.1程序特點….. ………...…
……….………39 2.3.1.2質傳理論….. ………...………….………42 2.3.1.3工程應用….. ………...……….………
…42 2.3.2MBR型式……… 44 2.3.3MBR廢水處理程序 ………..…….……47 2.3.3.1MBR喜氣程序 ………...……….…47 2.3.3.2MBR厭氣程序 ………...……….…48 2.3.4薄膜積垢 與結垢……….….50 2.3.4.1薄膜積垢………...………...…….50 2.3.4.2薄膜結垢…………
………...………56 第三章 實驗設備與方法 3.1 實驗設備 3.1.1 UASB反應槽….………....….
…57 3.1.1.1 實廠A型及B型UASB反應槽………..…….57 3.1.1.2 Bench-scale（無三相分離器）…..…….……. 58 3.1.2 薄膜系 統…… ……….….…59 3.1.2.1 中空纖維膜 ………...……....……...60 3.1.2.2 不織布膜 ……
………....…...….……..60 3.1.3 UASB與薄膜組合程序………....………60 3.2 廢水水質 3.2.1.分析項目…
……….………...…………62 3.2.2.分析方法……….……....………...63 3.2.3進流水質………
……….………...63 3.3實驗方法 3.3.1UASB處理能力提昇評估……….……….63 3.3.2薄膜處理 程序可行性評估……….…………63 3.3.3UASB與薄膜組合程序評估….……….…………63 第四章 結果與討論 4.1 UASB處理能力提昇評估 4.1.1實廠A型及B型……….……….…64 4.1.2 Bench-scale（無三相分離器） …
…….……….…..65 4.1.3處理能力評估……….……….…….….67 4.2薄膜處理程序可行性評估 4.2.1.中空纖維膜
………….………...68 4.2.2.不織布膜……….………….………..…….68 4.2.3. 中空纖維膜與 不織布膜之比較………69 4.3 UASB與薄膜組合程序評估 4.3.1.UASB與薄膜之介面（預曝）….…………..……
…...72 4.3.2.綜合評估……….………….………...74 第五章 結論與建議 ……….…
…..75 參考文獻………..………...……..77 參考文獻
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