臺灣博碩士論文加值系統

因應現階段飲用水砷含量水質標準由0.05mg/L提升至0.01mg/L之要求，自來水公司第五區檢驗室自民國90年起，在雲林縣大北勢、二崙、馬光三個傳統處理淨水場進行含砷量降解資料分析及在雲林縣北港第二、四湖、三條崙、新興淨水場進行加混凝劑之除砷試驗。
對新興場之除砷混凝杯瓶試驗結果顯示加混凝劑種類及加處理劑後之酸鹼值為影響除砷處理最重要因子，氯化鐵混凝劑對水質處理條件較聚氯化鋁較有彈性。在大北勢、二崙淨水場進行之現場處理測試中，除砷處理之各項因子二崙淨水場均優於大北勢淨水場，但大北勢場水質酸鹼值約為7.0，較二崙場酸鹼值8.0低，除砷效果反而優於二崙場。馬光淨水場為傳統慢濾設備，雖然濾床截留效果佳但酸鹼值約為8.0，無法截留溶解性砷、除砷效果不如大北勢場。
在北港第二淨水場進行氯化鐵與聚氯化鋁混凝劑實場比較試驗，結果顯示欲使清水含砷量處理至飲用水水質標準0.01mg/L以下，聚氯化鋁加藥量大於氯化鐵2倍以上，加藥成本大於3.4倍以上。
於四湖、三條崙、新興三個傳統處理淨水場進行加氯化鐵混凝劑實場試驗，結果顯示欲使清水處理至含砷量在飲用水水質標準0.01mg/L以下，氯化鐵加藥量為15-20ppm。

It is because that the standard of the quality of the containing of arsenic in the drinking water has been risen from 0.05mg/L to 0.01mg/L, therefore; dated from 2001,The Water Quality Inspection Office of the 5th Branch of the Running Water Company has set up three traditional water treatment plant in Dabeishih, Erlun and Maguang in Yunlin County for progressing for data analyzing on the containing of arsenic quantity degeneration. In addition, experiments on Coagullation for arsenic removal have been progressing in Baigang, Sihhu and Santiaolun in Yunlin County.
The result of the experiments of the Jar Test for romoving arseenic in Sinsing water treatment plant shows that the kinds of coagulant and the pH values after adding treatment reagent plays an important role in influencing arsenic removal. In purifying water, Ferric Chloride is more flexible than poly-aluminum chloride.In the experiments that took place in the water treatment plant of Dabeishih and Erlun, the factors that influence arsenic removal in Erlun water treatment plant are better than the ones in Dabeishih water treatment plant. However, the pH value of the quality of water in Dabeishih water treatment plant is around pH 7.0 while the pH value of the quality of water in Erlun water treatment plant is about pH 8.0. The effect of arsenic removal in Dabeishih water treatment plant is better than it in Erlun water treatment plant.
Makuang water treatment plant is equipped with the traditional slow filter facility. Although it’s Interception effect of filter bed is good, yet the pH value is around 8.0 and is unable to stop Insoluble arsenic and the effect of arsenic removal is not as effective as it in Dabeishih water treatment plant.
The plant experiments on the comparisons between Ferric Chloride and poly-aluminum chloride in the 2nd Baigang water treatment plant and it shows if we want to make the containing of arsenic in water to the standard of drinking water below 0.01mg/L, the dose of poly-aluminum chloride doubles Ferric Chloride and the cost of coagulant is more than 3.4 times.
The experiments that took place in the traditional water treatment plant in Sihhu, Santiaolun and Sinsing on addingand it shows if we want to make the containing of arsenic in water reach the standard of drinking water below 0.01mg/L, the dose of Ferric Chloride is 15-20ppm.

目錄
摘 要…………………………………...........................i
Abstract……………………..……...........................ii
誌 謝……………………….................................iii
目 錄……………..........................................iv
表目錄………………………….…………......................vi
圖目錄………………………………………....................vii
第一章 緒論……………………………….......................1
1.1 研究動機與目的………...........................1
1.2 文獻回顧…………….............................2
1.3 研究方法與步驟……………………........................4
1.4 章節介紹…………………………….…..............5
第二章 傳統淨水處理設備簡介………………….................7
2.1混凝沉澱…………..………………….......................7
2.2過濾……………. ……………………….....................7
第三章 試驗室杯瓶試驗…………………………..……….........9
3.1 試驗方法、設備與材料……………........................9
3.2 試驗結果與討論………………...........................11
第四章 現場淨水處理設備除砷探討…..….………………….....16
4.1大北勢淨水場及二崙淨水場除砷探討………................16
4.2馬光淨水場除砷探討………………........................23
4.3北港第二淨水場除砷探討………………....................27
4.4三條崙淨水場、四湖淨水場與新興淨水場除砷探討………...33
第五章 結論與建議………….………..……….................41
5.1 結論…………...……………………………................41
5.2 建議…………………..………………….………………......42
參考文獻……………………………………………………………….43

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