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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 駱尚廉(Shang-Lien Lo) | |
dc.contributor.author | Yu-Chu Chen | en |
dc.contributor.author | 陳又楚 | zh_TW |
dc.date.accessioned | 2021-06-16T16:21:38Z | - |
dc.date.available | 2018-02-21 | |
dc.date.copyright | 2013-02-21 | |
dc.date.issued | 2013 | |
dc.date.submitted | 2013-01-29 | |
dc.identifier.citation | Adam, C., Kley, G., and Simon, F. G. (2007). 'Thermal treatment of municipal sewage sludge aiming at marketable P-fertilisers'. Materials Transactions, 48(12), 3056-3061.
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'Transport of perchlorate (ClO4−) through NF and UF membranes'. Desalination, 147(1–3), 11-17. | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/63078 | - |
dc.description.abstract | 焚化下水污泥灰中富含磷,使用酸淋洗法可將磷溶出,但同時也會溶出重金屬。因此本研究目的為發展兩段式奈米薄膜法來分離重金屬,並求出最佳操作參數。
第一段過濾控制pH低於5.0值,目的為利用奈米薄膜的選擇性使重金屬截留,並使磷酸通過;第二段過濾控制pH高於4.0值下將磷酸截留並濃縮。實驗控制因子除了pH值,尚有過濾之操作壓力。 實驗結果顯示,第一段過濾於pH值2.0下操作,可得鉛離子截留率約95.9%;銅離子截留率約88.0%,及磷酸離子截留率約12.6%,故第一段過濾設定最佳pH值為2.0。而操作壓為10 bar ,於滲透液回收率90%時,可得到磷酸質量回收率84.6%,以及銅離子質量截留率79.2%,和鉛離子的98.8%。 第二段過濾於pH值6.0下操作,可得磷酸離子截留率約98.5%,故設定最佳pH值為6.0。第二段最佳操作參數為操作壓10 bar下,於滲透液回收率87%時可得到磷酸質量截留率90.1%,濃縮倍數為7.4。 | zh_TW |
dc.description.abstract | Incinerated sewage sludge ash contains rich phosphorus. Recovery of phosphorus from sewage sludge can also be carried out through an acidic leaching procedure. However, heavy metals also be carried out, therefore the objectives of this study are developing two-stage nanofiltration processes to separate heavy metals and to find the optimal factors.
In the first stage, the pH is lower than 5.0. The objective is to utilize the selectivity of nanofiltration membrane (NF270) to remove heavy metals and to make phosphate pass through the membrane. In the second stage, the pH is higher than 4.0. The objective is to reject and to concentrate phosphate. The influencing factors contain pressure and pH. The results of the first stage that pH was 2.0, was obtained the Pb2+ retention was 95.9 %, the Cu2+ retention was 88.0%, and the phosphate retention was 12.6%. Consequently, the pH value in the first stage could be determined as 2.0. The optimal results showed that at a pressure of 10 bar and permeate recovery 90% could recover 84.6% mass of phosphate, removed 79.2% mass of Cu2+ and 98.8% mass of Pb2+. The results of the second stage that pH was 6.0, was obtained the phosphate retention was 98.5%, therefore the pH value in the second stage could be determined as 6.0. The optimal result showed that at a pressure of 10 bar and permeate recovery 87% can recover 90.1% mass of phosphate, and the concentrate ratio was 7.4. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T16:21:38Z (GMT). No. of bitstreams: 1 ntu-102-R00541133-1.pdf: 30348770 bytes, checksum: 167f59acc78bddba418295dce74b896d (MD5) Previous issue date: 2013 | en |
dc.description.tableofcontents | 口試委員會審定書 I
誌謝 II 摘要 III Abstract IV 第一章 前言 1 第二章 文獻回顧 2 2.1 污泥、污泥灰之選擇 2 2.1.1 以污泥作為來源 2 2.1.2 以污泥灰渣作為來源 4 2.2 酸或鹼淋洗液之選擇 5 2.2.1 酸與鹼淋洗之比較 5 2.2.2 酸淋洗之最佳操作 5 2.3 磷酸鹽與重金屬分離方式 6 2.3.1 吸附法 6 2.3.3 化學沈澱法 8 2.3.4 奈米薄膜分離法 9 2.4 奈米薄膜特性及機制 12 2.4.1 薄膜材質特性 12 2.4.2 奈米薄膜分離機制 13 2.4.3 奈米薄膜影響參數 15 2.5 污泥處理現況 22 第三章 實驗材料與方法 23 3.1 藥品與設備 23 3.1.1 實驗使用試劑 23 3.1.2 實驗使用之NF膜型號 24 3.1.3 實驗使用儀器裝置 25 3.2 實驗設計 27 3.2.1 實驗流程 27 3.2.2 實驗設計架構 28 3.3 分析 32 3.3.1 紫外光/可見光分光光度計(UV/VIS Spectrophotometer) 32 3.3.2 火焰式原子吸收光譜儀(AA) 33 第四章 結果與討論 34 4.1 pH值於奈米薄膜截留影響探討 34 4.1.1 第一段薄膜過濾pH值對磷酸截留效率之影響 34 4.1.2 第一段薄膜過濾pH值對重金屬截留效率之影響 36 4.1.3 第二段薄膜過濾pH值對磷酸截留效率之影響 37 4.2 操作壓於奈米薄膜截留影響探討 38 4.2.1 薄膜過濾操作壓對純水通量之影響 38 4.2.2 第一段薄膜過濾操作壓對離子截留率之影響 39 4.2.3 第二段薄膜過濾操作壓對離子截留率之影響 41 4.3 第一段奈米薄膜過濾實驗 42 4.3.1 操作壓及滲透液回收率對銅、鉛離子去除效率之影響 43 4.3.2 操作壓及滲透液回收率對磷酸離子回收效率之影響 48 4.3.3 第ㄧ段薄膜過濾最佳操作參數 50 4.4 第二段奈米薄膜過濾實驗 53 4.4.1 操作壓及滲透液回收率對磷酸離子回收效率之影響 54 4.4.2 第二段薄膜過濾最佳操作參數 56 4.5 經濟性評估 58 第五章 結論與建議 59 5.1 結論 59 5.2 建議 61 第六章 參考文獻 62 附錄 66 圖目錄 圖 2.1 污泥中磷回收之簡易流程圖 2 圖 2.2 HCl或NaOH淋洗污泥灰渣與SCWO殘渣之比較 3 圖 2.3 以HCl及NaOH淋洗污泥灰之磷釋出濃度 5 圖 2.4 以廢橘子凝膠對磷之吸附、脫附、再生之磷回收流程 6 圖 2.5 重金屬於不同溫度下之氣化分率 7 圖 2.6 以鹼液分別沈澱磷酸鹽及重金屬之流程圖 8 圖 2.7 磷酸於不同pH下之物種組成 10 圖 2.8 二段式NF薄膜回收廢電鍍液鉻酸之流程 10 圖 2.9 硝酸鹽截留率與操作壓之變化 16 圖 2.10 截留率與進料硝酸根濃度之變化 17 圖 2.11 單位操作壓力之膜面電位與pH變化圖 18 圖 2.12 重金屬截留率與進料鈣鎂濃度之關係 19 圖 2.13截留率與進料高價陽離子電荷濃度關係 20 圖 2.14 離子接合水分子示意圖 20 圖 3.1 UV/VIS Spectrophotometer 25 圖 3.2 AA-800 25 圖 3.3 平板式薄膜過濾裝置 26 圖 3.4 pH meter 26 圖 3.5 實驗流程圖 27 圖 3.6 實驗設計架構圖 28 圖 4.1 第一段進料pH變化於磷酸截留率之影響 35 圖 4.2 第一段進料pH變化於銅鉛截留率之影響 36 圖 4.3 第二段進料pH變化於磷酸截留率之影響 37 圖 4.4 操作壓與去離子水通量變化 38 圖 4.5 第一段銅、鉛離子之截留率隨操作壓之變化 39 圖 4.6 第一段磷酸離子之截留率隨操作壓之變化 40 圖 4.7 第二段磷酸離子之截留率隨操作壓之變化 41 圖 4.8 第一段過濾於10 bar 操作壓下通量隨滲出液回收率變化圖 42 圖 4.9 銅離子截留率隨滲透液回收率變化圖 43 圖 4.10 銅離子質量截留率隨滲透液回收率變化圖 44 圖 4.11 鉛離子截留率隨滲透液回收率變化圖 44 圖 4.12 鉛離子質量截留率隨滲透液回收率變化圖 45 圖 4.13 銅離子總質量損失隨滲透液回收率變化圖 47 圖 4.14 鉛離子總質量損失隨滲透液回收率變化圖 47 圖 4.15 第一段過濾磷酸離子截留率隨滲透液回收率變化圖 48 圖 4.16 第一段磷酸離子質量回收率隨滲透液回收率變化圖 49 圖 4.17 第一段磷酸離子總質量損失隨滲透液回收率變化圖 50 圖 4.18 銅、鉛離子之收集滲出液濃度變化圖 51 圖 4.19 磷酸離子之收集滲出液濃度變化圖 51 圖 4.20 第二段過濾於10 bar 操作壓下通量隨滲出液回收率變化圖 53 圖 4.21 第二段過濾磷酸離子截留率隨滲透液回收率變化圖 54 圖 4.22 第二段磷酸離子總質量損失隨滲透液回收率變化圖 55 圖 4.23 第二段磷酸離子質量回收率隨滲透液回收率變化圖 56 圖 4.24 第二段磷酸離子之濃縮倍數隨滲透液回收率變化圖 57 表目錄 表 2.1 不同來源之污泥灰組成 4 表 2.2 銅、鎘與硝酸根、氯根、硫酸根之水合能與截留率關係 21 表 3.1 實驗使用之NF膜型號 24 表 3.2 污泥灰組成成分 29 表 4.1 銅離子於不同操作壓之進料濃度變化 46 表 4.2 鉛離子於不同操作壓之進料濃度變化 46 | |
dc.language.iso | zh-TW | |
dc.title | 酸淋洗及二段式奈米薄膜於污泥灰渣之磷回收 | zh_TW |
dc.title | Phosphorus Recovery from Sewage Sludge Ash by Acidic Leaching and Two-stage Nanofiltration Processes | en |
dc.type | Thesis | |
dc.date.schoolyear | 101-1 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 胡景堯,吳曉芬 | |
dc.subject.keyword | 奈米薄膜,磷回收,下水污泥灰,銅,鉛, | zh_TW |
dc.subject.keyword | Nanofiltration,Phosphorus recovery,Sewage sludge ash,Copper,Lead, | en |
dc.relation.page | 74 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2013-01-30 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 環境工程學研究所 | zh_TW |
顯示於系所單位: | 環境工程學研究所 |
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