研究生: |
楊麟鈞 Lin-Chun Yang |
---|---|
論文名稱: |
碳酸二苯酯反應蒸餾程序之設計與控制 Design and Control of Diphenyl Carbonate Reactive Distillation Process |
指導教授: |
周宜雄
Yi-Shyong Chou 錢義隆 I-Lung Chien |
口試委員: |
李明哲
Ming-Jer Lee |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 化學工程系 Department of Chemical Engineering |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 142 |
中文關鍵詞: | 碳酸二苯酯 、反應蒸餾 、設計與控制 |
外文關鍵詞: | Diphenyl Carbonate, Reactive Distillation, Design and Control |
相關次數: | 點閱:251 下載:7 |
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本研究係探討由碳酸二甲酯進行轉酯化反應產生碳酸二苯酯之製程設計與控制,碳酸二苯酯為製造聚碳酸酯塑膠(PC)的前驅物,可以取代傳統上使用光氣製造聚碳酸酯塑膠的製程,來避免製造聚碳酸酯塑膠上產生的環境汙染與毒害。研究中首先選擇合適的熱力學及動力學模式來描述程序,並使用Aspen Plus 進行穩態模擬。本研究以最小年度總成本(TAC)為目標提出系統最適化流程,分別討論了反應蒸餾塔、前置塔、萃取蒸餾系統設計概念與最適化結果,再將各個最適化操作連結成整廠系統,並且將未反應之反應物與萃取劑回收利用,同時改動內部規格來找到最小年度總成本(TAC)之設計。
本研究接著將最適化整廠系統利用Aspen Dynamic 進行動態模擬及控制,在控制策略上,使用基本的控制環路,並且利用敏感度分析找到每一單元最適合的操作點,並且給予進料組成的干擾與產量增減的干擾,找到一個控制策略能使整個系統在干擾下快速回穩,並且確保產物品質沒有太大的偏差,研究中並探討了在產量增減干擾時同時改變溫度設定點,發現可以使產品濃度保持一定。
This research studied about design and control of diphenyl carbonate (DPC) reactive distillation process. Diphenyl carbonate is a precursor in the production of polycarbonate (PC). DPC is considered as a substitution for phosgene to synthesize PC. Due to the phosgen-base process have many drawbacks. At first, suitable thermodynamic and kinetic model are chosen to describe this process, and perform the steady-state simulation by Aspen Plus. In the research, the optimum process design flowsheet is obtained by minimizing the Total Annual Cost (TAC) of this process. After the optimum design of Reactive Distillation Column, Pre- Distillation Column, and Extractive Distillation System are obtained. We connect each unit into a plant-wide process, and recover the un-reacted reactants and entrainer to the process. We also changing some inter specifications to find the optimum process.
After that, the research do the dynamic simulation and control by Aspen Dynamic. A simple control strategy has been proposed, and the sensitivity analysis is performed to find the suitable control point of each unit. The proposed control strategy works effectively to hold the product compositions despite feed flow rate and feed composition changes. A set-point temperature adjustment scheme is proposed to maintain the purity of product composition when throughput change .
[中文]
郭建麟,「丙烯酸乙酯製程之設計與控制」,國立台灣科技大學化學工程所碩士論文(2005)
徐愷懌,「碳酸二甲酯反應蒸餾系統之設計與控制」,國立台灣科技大學化學工程所碩士論文(2009)
羅安妮,「碳酸二乙酯反應蒸餾系統之設計」國立台灣科技大學化學工程所碩士論文(2009)
魏泓煜,「碳酸二乙酯反應蒸餾系統之設計與控制」,國立台灣科技大學化學工程所碩士論文(2010)
[英文]
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