目前所知之管式膜模組多半將膜束置於一管殼內，以致該管殼內之流道空間相對狹小，然後藉由高壓差方式將待過濾溶液輸入管殼內，且進口方式乃從管殼中間進入，造成不必要之動量損失。
  本研究於管式膜過濾模組中將進料口方式改為與管殼切線方向進入，並將管殼空間變大，使得進料溶液不會因碰撞到膜管而產生不必要之紊流以及動量損失，降低壓差節省能源。此外，企圖改變流場中的流力狀態、增加膜面上的剪應力，使膜阻力降低進而提升濾速。實驗方面，採用平均孔徑為0.8um的複合陶瓷膜，過濾平均粒徑為30~40um的馬鈴薯澱粉聚粉體，探討以不同過濾壓力、不同懸浮液濃度、不同體積流率以及相同進料速度下之操作條件，比較管式膜過濾基本系統和切線系統之效率。

Presently, we know that tubular membrane modules are set up a inner of pipe, so space of channel is narrow relatively at inner of pipe that suspension was used to high pressure transport to inner of pipe, furthermore, suspension was conveyed from medium of pipe shell, therefore, the inner-in way would cause needless momentum losses.In the study, we made suspensions inner-in way to improve on tangent feed way from outside of pipe shell on tubular membrane filtration module, besides, made channel of pipe shell to be wide so that feed suspension was unable to contact tubular membrane to product turbulences and momentum losses, moreover, reduced transmembrane pressure and economized power. Aside from, we attempted to alter fluid state at the system of filtration and increased sheer-strss on membrane then decrease the resistance and promoted the filtration rate. This experiment used a made of Zirconia filter membrane with a mean pore size of 0.8um was used to filter Potato Starch particles of 30um to 40um and we compared with basic system and tangent system of tubular membrane filtration efficiencies by different operating conditions from transmembrane pressure, suspension concentration, volume flow rate and uniform feed velocity.

中文摘要 I
英文摘要 II
目錄 III
圖表目錄 VI
符號說明 X
第一章 緒論 1
1.1 前言	1
1.2 薄膜過濾 2
1.3 薄膜過濾之方式	7
1.4 研究動機與目的	9
第二章 文獻回顧 10
2.1 掃流過濾 12
2.2 影響濾速之原因	16
2.3 濾速提高之方法	17
2.4 掃流過濾濾速分析 19
2.5 結垢現象 20
2.6 濃度極化 21
2.7 減緩結垢阻塞之策略 23
第三章 理論基礎 25
3.1 阻力串連分析 25
3.2 阻塞分析 28
第四章 實驗裝置與步驟 32
4.1 實驗物料 32
4.2 濾材 33
4.3 實驗裝置 34
4.3.1 管式膜過濾模組基本構造	 34
4.3.2 切線進料口之管式膜過濾構造 38
4.4 實驗分析儀器 41
4.5 實驗步驟 41
4.6 實驗操作條件 42
4.7 薄膜之清洗 43
4.8 注意事項 44
第五章 結果與討論 45
5.1 管式膜過濾基本系統 45
5.1.1 過濾壓差對濾速之影響 45
5.1.2 體積流率對濾速之影響 50
5.1.3 懸浮液濃度對濾速之影響	 53
5.2 管式膜過濾切線系統 58
5.2.1 過濾壓差對濾速之影響 58
5.2.2 體積流率對濾速之影響 63
5.2.3 懸浮液濃度對濾速之影響	 66
5.3 管式膜過濾基本系統與切線系統之效率比較 71
5.3.1 不同過濾壓差之濾速比較	 71
5.3.2 不同體積流率之濾速比較	 76
5.3.3 不同懸浮液濃度之濾速比較 81
5.3.4 相同進料速度與不同過濾壓差操作之濾速比較 86
5.3.5 相同進料速度與不同懸浮液濃度操作之濾速比較 91
5.4 管式膜過濾系統之整體分析比較 96
第六章 結論 99
參考文獻 101

圖目錄
第一章
圖1.1 薄膜過濾示意圖 3
圖1.2 垂直過濾示意圖 8
圖1.3 掃流過濾示意圖 8
第二章
圖2.1 過濾物質大小與膜過濾之關係圖 11
圖2.2 濾速提高之方法 18
圖2.3 濃度極化分布圖 22
圖2.4 反洗操作圖 23
第三章
圖3.1 薄膜過濾阻力示意圖 26
圖3.2 阻塞模式機制示意圖 30
第四章
圖4.1 馬鈴薯澱粉粉體之SEM圖 32
圖4.2 管式膜基本裝置進流方式之示意圖 35
圖4.3 管式膜過濾基本系統拍攝圖 36
圖4.4 管式膜過濾基本系統之示意圖 37
圖4.5 管式膜切線進料裝置之進流方式示意圖 38
圖4.6 管式膜過濾切線進料系統之實際拍攝圖 39
圖4.7 管式膜過濾切線進料系統之示意圖 40
第五章
圖5.1(a)、(b)定體積流率與定懸浮液濃度過濾壓差對濾速之影響 47
圖5.2(a)、(b)不同過濾壓差下濾液量隨時間之變化情形 48
圖5.3(a)、(b)不同過濾壓差下過濾總阻力隨時間之變化情形 49
圖5.4 定過濾壓差與定懸浮液濃度體積流率對濾速之影響 52
圖5.5 不同體積流率下濾液量隨時間之變化情形 52
圖5.6 不同體積流率下過濾總阻力隨時間之變化情形 52
圖5.7(a)、(b)定體積流率與定過濾壓差懸浮液濃度對濾速之影響 55
圖5.8(a)、(b)不同懸浮液濃度下濾液量隨時間之變化情形 56
圖5.9(a)、(b)不同懸浮液濃度下過濾總阻力隨時間之變化情形	57
圖5.10(a)、(b)定體積流率與定懸浮液濃度過濾壓差對濾速之影響 60
圖5.11(a)、(b)不同過濾壓差下濾液量隨時間之變化情形 61
圖5.12(a)、(b)不同過濾壓差下過濾總阻力隨時間之變化情形 62
圖5.13 定過濾壓差與定懸浮液濃度體積流率對濾速之影響 65
圖5.14 不同體積流率下濾液量隨時間之變化情形 65
圖5.15 不同體積流率下過濾總阻力隨時間之變化情形 65
圖5.16(a)、(b)定體積流率與定過濾壓差懸浮液濃度對濾速之影響 68
圖5.17(a)、(b)不同懸浮液濃度下濾液量隨時間之變化情形 69
圖5.18(a)、(b)不同懸浮液濃度下過濾總阻力隨時間之變化情形 70
圖5.19(a)、(b)、(c)基本系統與切線系統過濾壓差對濾速之影響 73
圖5.20(a)、(b)、(c)基本系統與切線系統過濾壓差對濾液量之影響 74
圖5.21(a)、(b)、(c)基本系統與切線系統過濾壓差對總阻力之影響 75
圖5.22(a)、(b)、(c)基本系統與切線系統體積流率對濾速之影響 78
圖5.23(a)、(b)、(c)基本系統與切線系統體積流率對濾液量之影響 79
圖5.24(a)、(b)、(c)基本系統與切線系統體積流率對總阻力之影響 80
圖5.25(a)、(b)、(c)基本系統與切線系統懸浮液濃度對濾速之影響 83
圖5.26(a)、(b)、(c)基本系統與切線系統懸浮液濃度對濾液量之影響 84
圖5.27(a)、(b)、(c)基本系統與切線系統懸浮液濃度對總阻力之影響 85
圖5.28(a)、(b)、(c)基本系統與切線系統過濾壓差對濾速之影響 88
圖5.29(a)、(b)、(c)基本系統與切線系統過濾壓差對濾液量之影響 89
圖5.30(a)、(b)、(c)基本系統與切線系統過濾壓差對總阻力之影響 90
圖5.31(a)、(b)、(c)基本系統與切線系統懸浮液濃度對濾速之影響 93
圖5.32(a)、(b)、(c)基本系統與切線系統懸浮液濃度對濾液量之影響 94
圖5.33(a)、(b)、(c)基本系統與切線系統懸浮液濃度對總阻力之影響 95
圖5.34 管式膜基本系統與切線系統過濾時間600s之濾速比較 97
圖5.35 管式膜基本系統與切線系統過濾時間7200s之濾速比較 97
圖5.36 管式膜基本系統與切線系統之進料口壓力比較 98
圖5.37 管式膜基本系統與切線系統之轉速比較 98

表目錄
第一章
表1.1 各式過濾模組特性 5
表1.2 薄膜類型與特性分類 6
第二章
表2.1 薄膜程序對於分離溶質之區分表 10
表2.2 常用薄膜清洗溶劑與用途 24
第四章
表4.1 馬鈴薯澱粉之說明 33
表4.2單通道複合陶瓷膜之性質 34

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