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  • 學位論文

液晶顯示面板製程廢水污泥特性分析 及其再利用技術評析之研究

Characteristics and Recycling Assessment for the Sludge Discharged From TFT-LCD Process

指導教授 : 章裕民

摘要


本研究以台灣區光電廠之廢水處理廠所產生污泥為主題,利用現場調查資料及技術評析方法,以期達成以下目的:1.探討TFT-LCD光電廠之廢水處理汙泥性質。2.清潔生產技術影響廢水量及水質進而影響廢水處理系統之汙泥產量。3.評估TFT-LCD光電廠之廢水處理汙泥再利用技術與資源化可行性方法。 經本研究結果發現該產業之廢水系統汙泥分為有機汙泥、無機汙泥及氟化鈣汙泥,而廢水汙泥產生量與廢水處理系統之廢水進流量與廢水進流濃度皆呈正比線性遞減,故於生產線上實施清潔生產管理並減少用水量實屬廢水處理系統汙泥減量之上策。而該產業之一般無機汙泥目前皆與氟化鈣汙泥混合脫水後清運,由於氟化鈣污泥中之氟化鈣成分與自然界開採之螢石之成分相似,而氟化鈣汙泥與酸鹼無機汙泥目前各廠皆一併清除處理,此方式不符合廢棄物盡可能回收再利用之原則,因氟化鈣汙泥之特性及均勻程度之再利用用途較廣,與一般酸鹼汙泥混合後將失去氟化鈣汙泥原有之特性。 另外,TFT-LCD光電廠之有機生物汙泥產量已達設置沼氣發電經濟規模,光電廠亦可規劃厭氧生物處理產生沼氣供廠內能源使用。

並列摘要


In this study, the Taiwan TFT-LCD generated sludge by water pollution treatment plant, using the site survey data and technical analysis methods, with a view to achieving the following objectives: 1. to explore the TFT-LCD optical of the sludge characteristics of waste pollution. 2. to reduce sludge from the quality of water pollution. 3. to assess water pollution treatment and discharge form TFT-LCD. By the results of this study revealed that the industry is divided into organic sludge water pollution sludge, inorganic calcium fluoride sludge and sludge. The sludge production and water pollution concentration flow into the positive decreasing. The production of clean management can reduce sludge. And the industry are generally inorganic sludge mixed with calcium fluoride removal after dehydration, as calcium fluoride sludge composition and the fluorite extraction, and calcium fluoride sludge and inorganic acid are removal of processing plant, this method does not waste as much as possible in line with the principles of recycling, due to the characteristics of calcium fluoride sludge and even the extent of use of a wider recycling, with the general acid sludge mixed alkali calcium fluoride sludge will lose the original characteristics. Furthermore, TFT-LCD optical of the organic sludge production has set the gas to generate electricity and economies of scale, light plant anaerobic biological treatment planning can also produce methane gas for energy use in the factory.

參考文獻


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被引用紀錄


劉暐廷(2010)。影像顯示產業廢棄物資材化之研究〔博士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2010.10442

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