聚苯胺固態吸附劑對二氧化碳吸附之實驗研究｜國立中央大學博碩士論文系統

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研究生：	鄭乃棋 Nai-chi Cheng
論文名稱：	聚苯胺固態吸附劑對二氧化碳吸附之實驗研究
指導教授：	周正堂 cheng-tung chou 楊閎舜
口試委員:
學位類別：	碩士 Master
系所名稱：	工學院 - 化學工程與材料工程學系 Department of Chemical & Materials Engineering
畢業學年度：	100
語文別：	中文
論文頁數：	144
中文關鍵詞：	二氧化碳吸附、煙氣、聚苯胺、變溫吸附
相關次數：	點閱：13 下載：0
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根據聯合國氣候變化政府間專家委員會(IPCC)調查指出人為造成溫室
效應的氣體主要以二氧化碳為主。在台灣地區，二氧化碳的排放最主要來
自於工業上化石燃料的燃燒，所以如何濃縮及回收電廠煙氣中的二氧化碳
變成為解決此問題的首要之務。
本論文首先利用實驗的方式，使用微量天平量測聚苯胺固態吸附劑其
CO2 飽和吸附量，再藉由Langmuir-Freundlich isotherm 等溫吸附平衡關係式
利用數學分析的方式，獲得等溫吸附平衡曲線圖及其參數。接著以單塔進
行貫流曲線實驗，藉由改變不同的操作條件(如：塔內溫度、進料組成及進
料流速)，觀察其對貫流曲線的影響。
最後本研究以電廠煙氣的組成為目標，利用單塔變溫吸附程序進行二
氧化碳濃縮純化。使用進料組成為15.03%CO2 和84.97%N2 的混合氣體，藉
由改變不同的操作條件(如：進料壓力，吸附溫度及脫附溫度)，探討二氧化
碳濃度和回收率的變化，進而找出最佳操作條件。

According to the investigation of Intergovernmental Panel on Climate
Change (IPCC), carbon dioxide is the most important greenhouse gas from
human activities. CO2 released into the atmosphere in Taiwan are mainly
attributed to fossil fuel combustion, so the concentration and recovery of CO2
from power plant flue gas is the first important step in solving CO2 problem.
This study obtained single component adsorption equilibrium data of CO2
on solid polyaniline sorbent by used Micro-Balance Thermo D-200. Then this
study obtained the isotherm curve and the parameters by numerical method. The
adsorption is expressed by the Langmuir-Freundlich isotherm. Then
breakthrough curve experiment was done with single bed by changing the
different operating conditions (bed temperature, feed composition, feed flow rate,
etc) to observe their influence on breakthrough curve.
Finally, we experimental study the use of temperature swing adsorption
process in power plant flue gas. We used mixture gas which is composed of
15.03% CO2 and 84.97% N2 to investigate the change of CO2 concentration and
recovery by changing the different operating conditions(feed gas pressure,
adsorption temperature, desorption temperature, etc), and then found the best
operating conditions.

摘要...................................................... i
Abstract ................................................ ii
誌謝 ................................................... iii
目錄 .................................................... iv
圖目錄 ................................................. viii
表目錄 .................................................. xii
第一章、緒論 ............................................... 1
第二章、簡介及文獻回顧 ....................................... 4
2-1 吸附現象簡介............................................ 4
2-2 變溫吸附法的基本原理 .................................... 5
2-3 吸附劑及其選擇性 ........................................ 6
2-4 再生方法 .............................................. 7
2-5 等溫平衡吸附曲線 ........................................ 8
2-6 貫流曲線 ............................................. 10
2-7 研究背景 ............................................. 11
2-7-1 胺基表面改質處理技術之相關文獻 ......................... 11
2-7-2 變溫吸附程序處理煙道氣之相關文獻 ........................ 13
第三章、實驗設備及方法 ...................................... 15
3-1 聚苯胺固態CO2 吸附劑之製備 .............................. 15
3-1-1 化學藥品 ........................................... 15
3-1-2 矽膠固著苯胺聚合物吸附劑製備流程 ........................ 15
3-2 等溫吸附平衡曲線實驗 ................................... 17
3-2-1 實驗裝置 ........................................... 17
3-2-2 實驗步驟 ........................................... 22
3-2-3 天平校正 ........................................... 23
3-2-4 空白實驗 ........................................... 23
3-3 貫流曲線實驗........................................... 24
3-3-1 實驗裝置、各部規格及特性 .............................. 24
3-3-2 實驗系統參數與操作條件 ................................ 28
3-3-3 實驗步驟 ........................................... 29
3-4 變溫吸附實驗........................................... 30
3-4-1 實驗裝置、各部規格及特性 .............................. 33
3-4-2 實驗步驟 ........................................... 37
第四章、實驗結果與討論 ...................................... 40
4-1 等溫吸附平衡曲線實驗結果與討論 ........................... 40
4-1-1 空白實驗結果 ....................................... 41
4-1-2 平衡吸附重量實驗結果 ................................. 46
4-1-3 等溫吸附平衡曲線的回歸 ................................ 50
4-2 貫流曲線實驗結果與討論 .................................. 54
4-2-1 塔內溫度對貫流行為的影響 .............................. 55
4-2-2 進料組成對貫流行為的影響 .............................. 62
4-2-3 進料流速對貫流行為的影響 .............................. 66
4-3 變溫吸附實驗結果與討論 .................................. 67
4-3-1 吸附、脫附溫度及進料壓力對變溫吸附程序Step3 產物中CO2濃度之影響 ......................................................... 70
4-3-2 吸附、脫附溫度及進料壓力對變溫吸附程序Step3 產物中CO2回收率之影響 ...................................................... 78
4-3-3 吸附、脫附溫度及進料壓力對變溫吸附程序Step4 產物中CO2濃度之影響 ......................................................... 86
4-3-4 吸附、脫附溫度及進料壓力對變溫吸附程序Step4 產物中CO2回收率之影響 ...................................................... 94
4-3-5 吸附、脫附溫度及進料壓力對變溫吸附程序總產物中CO2濃度之影響 ........................................................ 102
4-3-6 吸附、脫附溫度及進料壓力對變溫吸附程序總產物中CO2回收率之影響 ........................................................ 110
第五章、結論 ............................................. 118
參考文獻 ................................................ 120
附錄A、Thermo Cahn D-200 操作流程 ........................ 124
附錄B GC 操作步驟 ........................................ 126

                                

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