本研究透過實驗和理論以探討胺溶液吸收CO2於中空纖維膜接觸器之順流和逆流操作，並利用四階Runge-Kutta方法求得一維數學模型之聯立方程式的數值解於不同操作條件下之CO2吸收速率，包括流過殼側的胺溶液之吸收劑流速、CO2進料流速和進氣CO2濃度。同時，也獲得平均謝塢數的回歸經驗式，可計算中空纖維膜接觸器中CO2吸收的傳質係數。CO2吸收量之增益率預測值與實驗結果的比較，皆在相當精確度範圍。本研究的目的是(1)研發不同纖維管數的傳質係數相關性；(2)建立一維數學模型，提出一種預測中空纖維膜組件CO2吸收效率的回歸經驗式；(3)探討各種操作參數對CO2吸收通量和吸收率改善的影響。

The CO2 absorption with the use amine solution flowing through the shell side of the hollow fiber membrane contactor under both concurrent-flow and countercurrent-flow operations was investigated experimentally and theoretically in this research. The one-dimensional mathematical modeling equation for predicting the absorption rate under various absorbent flow rate, CO2 feed flow rate and inlet CO2 concentration in the gas feed was solved numerically using the fourth Runge–Kutta method with the shooting strategy.  The correlated equation of average Sherwood number to predict the mass transfer coefficient of the CO2 absorption in hollow fiber membrane contactor was obtained and the theoretical predictions showed that the considerable CO2 absorption rate improvement was represented graphically and validated by experimental results within acceptable accuracy.  The purposes of this study are (1) to develop the mass-transfer coefficient correlation equation with various number of fibers; (2) to develop a one-dimensional mathematical model and find the numerical solution for predicting the CO2 absorption efficiency in hollow fiber membrane modules; (3) to study the effects of various operation parameters on the CO2 absorption flux and absorption rate.

目錄
中文摘要		I
英文摘要		II
目錄		III
圖目錄		VI
表目錄		X
第一章 緒論	1
1-1前言	1
1-2薄膜分離原理	3
1-2-1氣體吸收原理與種類	5
1-2-2氣體分離吸收方法	7
1-2-3二氧化碳吸收於醇胺水溶液性質	8
1-3薄膜吸收系統簡介	10
1-4 研究動機、目的與方向	11
第二章 文獻回顧	13
2-1 文獻回顧	13
第三章 理論分析	17
3-1 中空纖維型薄膜氣體吸收系統模組之質量傳送機制	17
3-1-1薄膜吸收系統模組質傳機制之理論分析	20
3-1-2中空纖維型薄膜吸收系統之理論分析	27
3-1-3濃度極化現象與濃度極化係數	28
3-2中空纖維型吸收系統之根數增益與謝塢數經驗式建立	30
3-3中空纖維型薄膜吸收系統模組之一維理論模型之建立	33
3-3-1中空纖維型薄膜吸收系統模組一維理論模型	33
3-3-2理論數據取得與計算分析流程-朗吉庫塔數值解析	38
3-3-3實驗數據之取得與分析計算流程	41
3-4水力損耗	47
3-5數學模擬參數之設定	49
第四章 實驗分析	51
4-1 中空纖維型薄膜吸收系統	51
4-2中空纖維型薄膜吸收模組	57
4-3實驗步驟	60
4-3-1順流型式氣體吸收實驗	60
4-3-2逆流型式氣體吸收實驗	60
4-3-3薄膜逆洗程序	61
4-3-4中空纖維薄膜改質程序	61
第五章 結果與討論	62
5-1新型中空纖維薄膜根數增益之謝塢數經驗公式與迴歸分析	62
5-2單根中空纖維型薄膜吸收系統模組系統	65
5-2-1系統操作變因對莫耳吸收通量與吸收速率之影響	65
5-2-2濃度分佈與濃度極化現象	65
5-3多根中空纖維型薄膜吸收系統模組系統	73
5-3-1中空纖維根數增益因子對莫耳吸收通量與吸收速率之影響	73
5-3-2濃度分佈與濃度極化現象	74
5-4模組設計參數於吸收速率與水力損耗之影響	92
5-4-1莫耳吸收通量增益程度與水力損耗提升程度	92
5-4-2吸收速率與水力損耗提升程度之比較	94
第六章 結論	100
6-1 新型增益因子之謝塢數經驗公式	101
6-2單根中空纖維型薄膜吸收系統	101
6-3多根中空纖維型薄膜吸收系統	101
6-4模組設計參數於吸收速率與水力損耗之影響	102
符號說明		103
參考文獻		106

圖目錄
圖1-4-1中空纖維型二氧化碳吸收薄膜模組之研究架構圖	12
圖3-1-1 中空纖維薄膜堆疊排列方式	18
圖3-1-2 薄膜氣體吸收系統質量傳送機制示意圖	20
圖3-1-3 薄膜內部之質量傳送阻力模式示意圖	24
圖3-1-4質量傳送阻力示意圖	26
圖3-1-5 質量傳送阻力串連模式	27
圖3-1-6 濃度極化示意圖	29
圖3-3-1中空纖維型薄膜吸收系統示意圖(順流型式)	35
圖3-3-2 工作流體流經模組示意圖	36
圖3-3-3 吸收劑流經單一根中空纖維薄膜示意圖	36
圖3-3-4中空纖維型薄膜吸收系統示意圖(逆流型式)	37
圖3-3-5朗吉庫塔法求解聯立方程組之計算示意圖(a)順流(b)逆流	41
圖3-3-6質傳系數運算流程圖	44
圖3-3-7中空纖維型薄膜吸收系統運算流程圖(順流操作)	45
圖3-3-8中空纖維型薄膜吸收系統運算流程圖(逆流操作)	46
圖4-1-1中空纖維型薄膜吸收二氧化碳模組系統簡圖(順流型式)	52
圖4-1-2中空纖維型薄膜吸收二氧化碳模組系統簡圖(逆流型式)	52
圖4-1-3中空纖維型模組於乙醇胺水溶液吸收二氧化碳設備圖	53
圖4-1-4氣體質量控制器	54
圖4-1-5氣相層析儀	55
圖4-2-1中空纖維型薄膜吸收模組示意圖(a)陶瓷無機薄膜	57
圖4-2-2 中空纖維薄膜實際圖	58
圖4-2-3 3D列印之封頭(a)填充7根纖維；(b)填充19根纖維	58
圖4-2-4 中空纖維型薄膜吸收模組實際圖(a)7根；(b)19根	59
圖5-2-1 1根纖維模組於不同參數下對莫耳通量之影響(順流操作)	68
圖5-2-2 1根纖維模組於不同參數下對莫耳通量之影響(逆流操作)	68
圖5-2-3 1根纖維模組於不同參數下對吸收速率之影響(順流操作)	69
圖5-2-4 1根纖維模組於不同參數下對吸收速率之影響(逆流操作)	69
圖5-3-1 7根纖維模組於不同參數下對莫耳通量之影響(順流操作)	75
圖5-3-2 7根纖維模組於不同參數下對莫耳通量之影響(逆流操作)	75
圖5-3-3 7根纖維模組於不同參數下對吸收速率之影響(順流操作)	76
圖5-3-4 7根纖維模組於不同參數下對吸收速率之影響(逆流操作)	76
圖5-3-5 19根纖維模組於不同參數下對莫耳通量之影響(順流操作)	77
圖5-3-6 19根纖維模組於不同參數下對莫耳通量之影響(逆流操作)	77
圖5-3-7 19根纖維模組於不同參數下對吸收速率之影響(順流操作)	78
圖5-3-8 19根纖維模組於不同參數下對吸收速率之影響(逆流操作)	78
圖5-3-9 不同根數薄膜於操作參數下對莫耳通量之影響-CO2=30% (順流操作)	79
圖5-3-10 不同根數薄膜於操作參數下對莫耳通量之影響-CO2=30% (逆流操作)	79
圖5-3-11 不同根數薄膜於操作參數下對莫耳通量之影響-CO2=35% (順流操作)	80
圖5-3-12 不同根數薄膜於操作參數下對莫耳通量之影響-CO2=35% (逆流操作)	80
圖5-3-13 不同根數薄膜於操作參數下對莫耳通量之影響-CO2=40% (順流操作)	81
圖5-3-14 不同根數薄膜於操作參數下對莫耳通量之影響-CO2=40% (逆流操作)	81
圖5-3-15 不同根數薄膜於操作參數下對吸收速率之影響-CO2=30% (順流操作)	82
圖5-3-16 不同根數薄膜於操作參數下對吸收速率之影響-CO2=30% (逆流操作)	82
圖5-3-17 不同根數薄膜於操作參數下對吸收速率之影響-CO2=35% (順流操作)	83
圖5-3-18 不同根數薄膜於操作參數下對吸收速率之影響-CO2=35% (逆流操作)	83
圖5-3-19 不同根數薄膜於操作參數下對吸收速率之影響-CO2=40% (順流操作)	84
圖5-3-20 不同根數薄膜於操作參數下對吸收速率之影響-CO2=40% (逆流操作)	84
圖5-3-21 單根纖維系統與多根中空纖維薄膜吸收模組於主流區域與薄膜表面濃度分佈之影響 (順流操作)	89
圖5-3-22 單根纖維系統與多根中空纖維薄膜吸收模組於主流區域與薄膜表面濃度分佈之影響 (逆流操作)	89
圖5-4-1 順流形式操作下，不同模組設計參數之吸收速率增益程度與水力損耗提升程度比較圖	99
圖5-4-2 逆流形式操作下，不同模組設計參數之吸收速率增益程度與水力損耗提升程度比較圖	99

表目錄
表1-2-1 常見輸送現象方程式	4
表1-2-2 常用醇胺類種類	9
表3-2-1 謝塢數經驗式參數	31
表3-5-1 薄膜吸收模組系統相關參數	49
表3-5-2 疏水陶瓷無機薄膜相關參數	49
表3-5-3 流體相關參數	50
表4-1疏水性陶瓷無機薄膜基本性質規格	53
表5-1-1 謝塢數經驗公式所需實驗數據之操作變因表	63
表5-2-1 順、逆流操作下單根中空纖維型薄膜吸收模組系統莫耳通量實驗值與理論值之相對誤差表	70
表5-2-2順、逆流操作下單根中空纖維型薄膜吸收模組系統吸收速率實驗值與理論值之相對誤差表	71
表5-2-3 不同操作參數於單根中空纖維薄膜吸收系統之平均濃度極化係數影響比較表	72
表5-3-1 順、逆流操作下7根中空纖維型薄膜吸收模組系統莫耳通量實驗值與理論值之相對誤差表	85
表5-3-2 順、逆流操作下19根中空纖維型薄膜吸收模組系統莫耳通量實驗值與理論值之相對誤差表	86
表5-3-3 順、逆流操作下7根中空纖維型薄膜吸收模組系統吸收速率實驗值與理論值之相對誤差表	87
表5-3-4 順、逆流操作下19根中空纖維型薄膜吸收模組系統吸收速率實驗值與理論值之相對誤差表	88
表5-3-5 不同操作參數於7根中空纖維薄膜吸收系統之平均濃度極化係數影響比較表	90
表5-3-6 不同操作參數於19根中空纖維薄膜吸收系統之平均濃度極化係數影響比較表	91
表5-4-1 順流操作下單根纖維型與多根中空纖維型薄膜吸收系統模組系統，不同根數薄膜之理論吸收速率增益比例表	95
表5-4-2 逆流操作下單根纖維型與多根中空纖維型薄膜吸收系統模組系統，不同根數薄膜之理論吸收速率增益比例表	96
表5-4-3添加不同根數之水力損耗提升程度比較表	97
表5-4-4 順、逆流操作下，不同模組設計參數之理論吸收速率增益程度與水力損耗提升程度比值表	98

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