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研究生:楊子毅
研究生(外文):Zih-Yi Yang
論文名稱:二氧化碳在醇胺(AMP)與促進劑(PZ)水溶液之氣液平衡量測研究
論文名稱(外文):Measurement of Equilibrium Solubility of Carbon Dioxide in Aqueous AMP/PZ Solutions
指導教授:李夢輝李夢輝引用關係
指導教授(外文):Meng-Hui Li
學位類別:碩士
校院名稱:中原大學
系所名稱:化學工程研究所
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:99
中文關鍵詞:對二氮已環2-氨基 2-甲基 1-丙醇摻和醇胺二氧化碳吸收氣液平衡
外文關鍵詞:PZAMPCarbon dioxide absorptionBlended amine
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本研究完成了二氧化碳在立體障礙醇胺AMP水溶液及混合醇胺AMP + PZ水溶液氣液平衡溶解度量測,氣液平衡數據量測在一控制溫度之平衡槽內進行,所量測的系統濃度包括:2.0 M (kmol•m-3) 和3.0 M (kmol•m-3) AMP水溶液及2.0 M和3.0 M AMP水溶液分別加入0.5、1.0及1.5 M PZ水溶液;溫度分別為40、60、80℃;二氧化碳分壓範圍:1 ~ 150 kPa。
以Kent and Eisenberg (1976)模式,加上Hu and Chakma (1990)與Li and Shen (1993)所提出的熱力學模式來建立適用於本系統CO2/AMP/H2O及CO2/AMP/PZ/H2O的氣液平衡模式。模式所預測的範圍為溫度20 ~ 120℃,酸性氣體分壓0.1 ~ 10000 kPa,PZ濃度範圍由0 M ~ 2.0 M。在本研究中所完成之氣液平衡溶解度數據及氣液平衡模式可作為設計吸收設備時的參考使用,提供一符合經濟效益設計的依據。
In this work, the solubility of carbon dioxide in aqueous mixture containing different concentrations of 2-amino-2-methyl-1-propanol (AMP), a sterically hindered amine, and piperazine (PZ), an activator, were carefully measured in a 1.0-L stainless steel vapor-recirculation equilibrium cell at 40, 60, and 80 oC, and pressures of 1 kPa up to 150 kPa. The AMP concentrations in the binary and ternary mixtures considered were 2.0 M (kmol•m-3) and 3.0 M (kmol•m-3); those of PZ’s were 0.5 M, 1.0 M, and 1.5 M.
The measured equilibrium loading – partial pressure pairs at different temperatures and concentration levels were compared against the corresponding values predicted by modified Kent-Eisenberg model which based on previous works of Hu and Chakma (1990) and Li and Shen (1993). This study is useful for the vapor-liquid equilibrium calculations of acid gas processes design, as the absorption fluid.
目錄
摘要 I
Abstract II
誌謝 III
目錄 IV
表目錄 VII
圖目錄 IX
第1章 緒論 1
1-1 前言 1
1-2 常用氣體捕捉方法 1
1-3 醇胺的使用 2
1-4 掺合醇胺的使用 4
1-5 研究目的 5
第2章 原理 9
2-1 平衡常數概述 9
2-2 熱力學模式文獻回顧 10
2-2-1 Ideal Solution Model 11
2-2-2 Activity Coefficient Model 12
2-3 熱力學模式之推導 14
第3章 實驗 20
3-1 實驗設備 20
3-2 實驗藥品 21
3-3 實驗步驟 25
3-4 液相分析 25
3-5 氣相分析 26
第4章 結果討論 28
4-1 對照實驗 28
4-2 雙成份系統中氣液平衡溶解度之量測 31
4-3 三成份系統中氣液平衡溶解度之量測 50
第5章 結論 79
符號說明 80
參考文獻 82
自述 87


表目錄
Table 1 1 Commonly used alkanolamines 6
Table 1 2 Comparison of alkanolamines 7
Table 1 3 Literature review of thermophysical property data for AMP/PZ/H2O system 8
Table 3 1 Absorbent details in this study 24
Table 4 1 Solubility of CO2 in aqueous 3.0 M AMP solutions at 40oC 29
Table 4 2 Solubility of CO2 in aqueous 2.0 M AMP solutions 32
Table 4 3 Solubility of CO2 in aqueous 3.0 M AMP solutions 33
Table 4 4 Equilibrium constants and Henry's law constant used in this study 39
Table 4 5 Vapor-liquid equilibrium data CO2/AMP/H2O system used in this study 41
Table 4 6 Solubility of CO2 in aqueous 2.0 M AMP + 0.5 M PZ solutions 53
Table 4 7 Solubility of CO2 in aqueous 2.0 M AMP + 1.0 M PZ solutions 54
Table 4 8 Solubility of CO2 in aqueous 2.0 M AMP + 1.5 M PZ solutions 55
Table 4 9 Solubility of CO2 in aqueous 3.0 M AMP + 0.5 M PZ solutions 56
Table 4 10 Solubility of CO2 in aqueous 3.0 M AMP + 1.0 M PZ solutions 57
Table 4 11 Solubility of CO2 in aqueous 3.0 M AMP + 1.5 M PZ solutions 58
Table 4 12 Vapor-liquid equilibrium data CO2/AMP/PZ/H2O system in this study 59


圖目錄
Figure 3 1 Experimental setup 23
Figure 4 1 Solubility of CO2 in aqueous 3.0 M AMP solutions at 40oC 30
Figure 4 2 Solubility of CO2 in aqueous 2.0 M AMP solutions at 40, 60 and 80oC 34
Figure 4 3 Solubility of CO2 in aqueous 3.0 M AMP solutions at 40, 60 and 80oC 35
Figure 4 4 Solubility of CO2 in aqueous 2.0 M and 3.0 M AMP solutions at 40oC 36
Figure 4 5 Solubility of CO2 in aqueous 2.0 M and 3.0 M AMP solutions at 60oC 37
Figure 4 6 Solubility of CO2 in aqueous 2.0 M and 3.0 M AMP solutions at 80oC 38
Figure 4 7 Solubility of CO2 in aqueous 2.0 M AMP solutions at 40, 60 and 80oC 42
Figure 4 8 Solubility of CO2 in aqueous 3.0 M AMP solutions at 40, 60 and 80oC 43
Figure 4 9 Correlation of literature solubility data for CO2 in aqueous 2.0 M AMP solutions at 40 and 100oC 44
Figure 4 10 Correlation of literature solubility data for CO2 in aqueous 3.0 M AMP solutions at 40oC 45
Figure 4 11 Correlation of literature solubility data for CO2 in aqueous 3.43 M AMP solutions at 50oC 46
Figure 4 12 Correlation of literature solubility data for CO2 in aqueous 2.0 M AMP solutions at 40 and 70oC 47
Figure 4 13 Comparison of calculated and measured partial pressure for 48
Figure 4 14 Comparison of calculated and measured partial pressure for 49
Figure 4 15 Solubility of CO2 in aqueous 2.0 M AMP + 0.5 M PZ solutions at 40, 60 and 80oC 60
Figure 4 16 Solubility of CO2 in aqueous 2.0 M AMP + 1.0 M PZ solutions at 40, 60 and 80oC 61
Figure 4 17 Solubility of CO2 in aqueous 2.0 M AMP + 1.5 M PZ solutions at 40, 60 and 80oC 62
Figure 4 18 Solubility of CO2 in aqueous 3.0 M AMP + 0.5 M PZ solutions at 40, 60 and 80oC 63
Figure 4 19 Solubility of CO2 in aqueous 3.0 M AMP + 1.0 M PZ solutions at 40, 60 and 80oC 64
Figure 4 20 Solubility of CO2 in aqueous 3.0 M AMP + 1.5 M PZ solutions at 40, 60 and 80oC 65
Figure 4 21 Solubility of CO2 in aqueous 2.0 M AMP + 0.5 M PZ and 3.0 M AMP + 0.5 M PZ solutions at 40, 60 and 80oC 66
Figure 4 22 Solubility of CO2 in aqueous 2.0 M AMP + 1.0 M PZ and 3.0 M AMP + 1.0 M PZ solutions at 40, 60 and 80oC 67
Figure 4 23 Solubility of CO2 in aqueous 2.0 M AMP + 1.5 M PZ and 3.0 M AMP + 1.5 M PZ solutions at 40, 60 and 80oC 68
Figure 4 24 Solubility of CO2 in aqueous 2.0 M AMP and 2.0 M AMP + PZ solutions at 40oC 69
Figure 4 25 Solubility of CO2 in aqueous 2.0 M AMP and 2.0 M AMP + PZ solutions at 60oC 70
Figure 4 26 Solubility of CO2 in aqueous 2.0 M AMP and 2.0 M AMP + PZ solutions at 80oC 71
Figure 4 27 Solubility of CO2 in aqueous 3.0 M AMP and 3.0 M AMP + PZ solutions at 40oC 72
Figure 4 28 Solubility of CO2 in aqueous 3.0 M AMP and 3.0 M AMP + PZ solutions at 60oC 73
Figure 4 29 Solubility of CO2 in aqueous 3.0 M AMP and 3.0 M AMP + PZ solutions at 80oC 74
Figure 4 30 Comparison of calculated and measured partial pressure for aqueous 2.0 M AMP + PZ solutions 75
Figure 4 31 Comparison of calculated and measured partial pressure for aqueous 3.0 M AMP + PZ solutions 76
Figure 4 32 Prediction of solubility data for CO2 in aqueous 2.0 M AMP + 0.5 M PZ solutions at various temperatures 77
Figure 4 33 Prediction of solubility data for CO2 in aqueous 3.0 M AMP and 3.0 M AMP + PZ solutions at 60oC 78
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