高科技產業不但需水量高，而且產生的廢水排放更是國內環保之重要議題。環保署計畫將於2016年將氨氮納入廢水排放管制，因此盡快提出可行的廢水處理方法以因應氨氮之問題。
　　本文以某高科技廢水處理廠為案例，實驗初期使用該廠初沉池出水來馴養本研究之生物濾床。將該廠已處理過廢水通過一套已填充網狀PU泡綿之生物濾床，目的為探討廢水中氨氮之轉化效率。操作條件範圍為空床停留時間(EBCT)(從1 hr至8 hr)及水中溶氧量(兼氧:1~2 mg/L至好氧:3~4 mg/L)。結果顯示，生物濾床在好氧條件下轉化率隨EBCT增加而增加,EBCT八小時之氨氮轉化率高達95%。當在足夠的水力停留時間或EBCT下,溶氧量降低至兼氧條件1~2 mg/L,氨氮轉化率比起溶氧量3~4 mg/L低約30%。初步顯示本研究方法對某高科技廢水之氨氮為有效的處理方法。

　　Along with the technical progress, the people live are getting more and more convenient, however, behind the gorgeous high tech product there is depletion of resources and huge waste. The water resource, which people are closely linked, is indispensable for the producing processes of high-technology industry. The high-technology industry not only has the huge requirement to the water resources, the wastewater produced from producing processes is an important topic. In recent years, with the environmental consciousness upward in Taiwan, the wastewater emission standard of high-technology industry is sterner, and the ammonia nitrogen in the wastewater will be limited in 2016.
　　The treatment of high-technology industrial wastewater in a PU-net sponge mediated biofilter was investigated. The experimental parameters comprised the dissolved oxygen and empty bed residence time, i.e. Facultative,1~2 mg/L,1 hr~8 hr; aerobic,3~4 mg/L,1 hr~8 hr.In this study,the conversion in the aerobic condition of ammonia nitrogen were 95% in EBCT 8 hr. The procedures of aerobic condition provided a 30% greater conversion compared to facultative condition. Therefore,the results indicated that the ammonia nitrogen can be effectively conversion using the PU-net sponge mediated biofilter .

論文審定書　ii
摘要　iii
Abstract　iv
目錄　v
圖目錄　viii
表目錄　x
第一章 前言 1
　1-1研究緣起 1
　1-2研究目的 3
　1-3研究內容 3
第二章 文獻回顧 4
　2-1高科技產業 4
　　2-1-1科技廠工業廢水來源及處理特性 4
　　2-1-2 科學園區污水處理廠簡介 11
　　2-1-3 科學園區污水處理廠之成效 11
　2-2 生物除氮 13
　　2-2-1 水中含氮污染物 13
　　2-2-2 硝化作用 16
　　2-2-3 脫硝作用 19
　2-3生物除氮最新技術 21
　　2-3-1部分硝化程序： 22
　　2-3-2 SHARON程序: 23
　　2-3-3厭氧氨氧化程序化 24
　　2-3-4 CANON 程序 25
　　2-3-5固定式生物處理系統（EMMC） 26
　2-4廢水氨氮與總氮控制之未來法規因應 29
　　2-4-1國內廢水氨氮與總氮控制之未來法規因應 29
　　2-4-2中國廢水氨氮與總氮控制之未來法規因應 29
　　2-4-3國外廢水氨氮與總氮控制之法規 30
　2-5廢水生物濾床之硝化脫硝菌相 35
　3-1 研究流程之規劃 36
　3-2 生物濾床處理程序實驗方法 37
　3-3 水質分析項目與方法 39
　　3-3-1水溫 41
　　3-3-2導電度 41
　　3-3-3 氨氮 41
　　3-3-4 硝酸鹽氮 42
　　3-3-5 懸浮固體物 42
　　3-3-6 總有機碳 42
　　3-3-7 溶解性有機碳 43
　　3-3-8 生物需氧量(BOD) 43
　　3-3-9化學需氧量(COD) 43
　　3-3-10 溶氧 44
　　3-3-11氧化還原電位（ORP） 44
　　3-3-12 UV254 44
　　3-3-13 SUVA 44
　　3-3-14 鹼度 44
　3-4 實驗分析儀器設備 45
第四章 結果與討論 48
　4-1生物濾床之微生物馴養 48
　　4-1-1 入流水氨氮濃度變化 48
　4-2實驗原水之介紹及現場監測 50
　　4-2-1原水介紹 50
　　4-2-2 現場監測 50
　4-3生物濾床之處理效能 52
　　4-3-1在不同溶氧及不同EBCT之氨氮轉化率 52
　　4-3-2在不同溶氧及不同EBCT之硝酸鹽轉化率 55
　　4-3-3在不同溶氧及不同EBCT之化學需氧量去除率 57
　　4-3-4在不同溶氧及不同EBCT之生化需氧量去除率 59
　　4-3-5在不同溶氧及不同EBCT之總有機碳去除率 61
　　4-3-6在不同溶氧及不同EBCT之溶解性有機碳去除率 63
　　4-3-7在不同溶氧及不同EBCT之懸浮固體物去除率 65
　　4-3-8固定溶氧下以不同EBCT之UV254去除 67
　　4-3-9固定溶氧下以不同EBCT之SUVA變化 69
第五章 結論與建議 72
　5-1結論 72
　5-2建議 74
參考文獻 75

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