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研究生: 邱芳榆
Chiu, Fang-Yu
論文名稱: 含銅污泥調質及水泥固化之研究
Study on copper-containing sludges condition and sequential solidification
指導教授: 張祖恩
Chang, Juu-En
學位類別: 碩士
Master
系所名稱: 工學院 - 環境工程學系
Department of Environmental Engineering
論文出版年: 2004
畢業學年度: 92
語文別: 中文
論文頁數: 80
中文關鍵詞: 重金屬污泥調質固化溶出
外文關鍵詞: Heavy metal sludge, Condition, Solidification, Leach
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  •   現階段國內對於含重金屬污泥之中間處理技術選擇基於經濟性與操作方便性,以固化/穩定化為主。而污泥中存在許多金屬、鹽類與有機物,可能於固化處理過程中對水泥水化產生干擾。
      本研究透過高溫熱處理、添加Ca(OH)2及添加不同濃度的H2O2三種不同調質程序對含銅污泥進行調質,並設計不同水泥/污泥配比製作水泥固化體。探討污泥調質對後續固化程序之影響,檢討含銅重金屬污泥合適之污泥固化前處理程序與水泥添加配比。
      研究結果發現,污泥中有機物的破壞去除,有助於提昇後續固化處理成效,而且原污泥與三種調質污泥固化體之抗壓強度均隨水泥添加量增加而增加。3天齡期之抗壓強度依序為:經高溫熱處理污泥固化體>添加6000 mg/L H2O2污泥固化體>添加3000 mg/L H2O2污泥固化體>原污泥固化體>添加Ca(OH)2污泥固化體。此外,由固化體重金屬溶出試驗發現,固化體抗壓強度越低者,其水泥固化體之TCLP銅離子溶出量較高,顯示透過污泥調質程序,確實能去除部份干擾水泥水化因子,增益固化效能。

      In the present stage, the choice for intermediate treatment technique of the sludge containing heavy metals is always according to the economic and operating convenience. Solidification/stabilization processes are the major technologies to handle these disposed sludges. However, the existence of metals, salts and organic matters in the sludge may lead to the disturbance of hydration of cement during solidification process.
      The main purpose of this work was to study the effect of high temperature treatments, the addition of Ca(OH)2 and various concentrations of H2O2 on conditioning copper-containing sludges. In addition, the different cement/sludge ratios were designed to manufacture cement matrix. The influence of follow-up solidification process by conditioning sludges, the appropriate procedures before solidification and amounts of cements added in the sludges were also investigated.
      The results indicated that the efficiency of solidification processes may be increased by the breakage of organic matters. The compressive strength of the raw sludge and three kinds of treated sludge matrix can be enhanced by increased quality of cement. The compressive resistance of the age period of three days is increased by the following order: high temperature treatment of sludge matrix> addition of the 6000 mgs/L H2O2 in sludge matrix > addition of the 3000 mgs/L H2O2 in sludge matrix > the raw sludge matrix > addition of Ca(OH)2 in sludge matrix. In the TCLP test experiments, it was found that the TCLP concentration of copper ion dissolved greatly while the compressive strength of matrix in decreased, which suggesting the interference of hydration of cement factors really can be removed and thus enhance the solidification effect by conditioning sludges.

    中文摘要 I 英文摘要 II 誌謝 III 目錄 V 表目錄 VIII 圖目錄 ..IX 第一章 前言 1 1-1研究動機及目的 1 1-2研究內容 2 第二章 文獻回顧 3 2-1無機污泥污泥之現況 3 2-1-1無機污泥之種類、產量與特性 3 2-1-2無機污泥之處理現況 7 2-2污泥調質與處理處置 9 2-2-1污泥之熱處理 9 2-2-2 Ca(OH)2調理 10 2-2-3 H2O2調理 10 2-2-4污泥處置 11 2-3水泥固化之理論與干擾因子 12 2-3-1水泥固化之理論 12 2-3-2水泥固化之機制與應用 14 2-3-3影響水泥固化之干擾因子 16 2-3-4水泥固化體重金屬之溶出 23 2-4 小結 27 第三章實驗材料、設備及方法 28 3-1研究架構及實驗流程 28 3-1-1污泥取樣 28 3-1-2污泥調質 31 3-1-3實驗藥品 32 3-2水泥/污泥固化體配比設計製作 34 3-2-1水泥/污泥配比設計 34 3-2-2固化體製作 34 3-3實驗設備與分析方法 34 3-3-1原污泥及調質污泥物化特性分析 34 3-3-2固化體特性分析 37 第四章 結果與討論 39 4-1原污泥與調質污泥之特性 39 4-1-1原污泥之特性 39 4-1-2調質污泥之特性 42 4-1-3小結 46 4-2調質污泥對水泥固化體抗壓強度之影響 47 4-2-1養護齡期與水泥/污泥配比之影響 47 4-2-2影響抗壓強度因素之探討 50 4-2-3小結 57 4-3調質污泥固化體溶出之影響因子 58 4-3-1養護齡期與水泥/污泥配比之影響 58 4-3-2污泥調質方式對固化體銅溶出之影響 60 4-3-3污泥調質方式對固化體長期穩定銅之影響 62 4-3-4小結 65 第五章 結論與建議 66 參考文獻 68

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