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研究生： 蔡孟然
Tsai, Meng-Jan
論文名稱： 可攜式氣相層析儀應用於工業製程及排放物監控之研究
The Applications of Portable GC on Industrial Processes and Emission Monitoring
指導教授： 呂家榮
Lu, Chia-Jung
口試委員： 林震煌
Lin, Cheng-Huang
劉茂煌
Liu, Mao-Huang
呂家榮
Lu, Chia-Jung
口試日期： 2022/06/13
學位類別： 碩士
Master
系所名稱： 化學系
Department of Chemistry
論文出版年： 2022
畢業學年度： 110
語文別： 中文
論文頁數： 121
中文關鍵詞： 可攜式氣相層析儀 、揮發性有機物 、吹氣捕捉法 、超吸水聚合物
英文關鍵詞： portable gas chromatograph, volatile organic compounds, purge and trap, superabsorbent polymers
研究方法: 實驗設計法
DOI URL： http://doi.org/10.6345/NTNU202200939
論文種類： 學術論文
相關次數： 點閱：99  下載：6 
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    • 本研究以實驗室自行開發、組裝的可攜式氣相層析儀，搭配桌上型氣相層析質譜儀，對工業製程排放之揮發性有機物(VOCs)進行分析。工業製程產生的揮發性有機物存在於作業場域環境、排放廢水甚至原料及產品等，必須透過合適的樣品前處理方法進行採樣分析。因此本篇研究將分為三個部分，第一部份，針對工業場所逸散之氣體VOCs使用氣袋配製，挑選工業常見十一種VOCs進行儀器性能測試，當中十種VOCs之偵測下限低於1 ppb；第二部份，為水中揮發性有機物之研究，選擇三種半導體製程常用溶劑，使用吹氣捕捉法進行採樣，並根據理論吹氣曲線之基礎，對水中低溶解度及高溶解度之VOCs使用不同定量方法，並設計活性碳過濾管模擬半導體製程廢水處理；第三部份，針對超吸水聚合物產品進行分析，以頂空法採樣，發現超吸水聚合物在吸水過後，有三種化合物之濃度增加為原始數百甚至數千倍以上，推測是造成異味的主因，綜合上述結果，建立以可攜式氣相層析儀為工具，達成快速連續偵測工業製程及排放物監控之系統。

    This research is about a portable gas chromatograph developed and assembled by our laboratory combined with a desktop gas chromatography mass spectrometer to analyze the volatile organic compounds (VOCs) emitted from industrial processes. VOCs from industrial processes exist in workplace environment, wastewater and even raw materials and products, and must be sampled and analyzed through appropriate sample pretreatment methods. Therefore, this research will be divided into three parts. In the first part, we selected 11 common VOC vapors using sampling bag for instrumental performance test, and the detection limit of 10 VOCs was lower than 1 ppb. The second part is the study of VOCs in water, we analyzed 3 commonly used solvents in the semiconductor industry with the purge and trap method, based on the theoretical purge curve, different quantification methods were used for VOCs with low and high solubility respectively, moreover, the activated carbon filter was designed to simulate the wastewater treatment. The last part is about olfactory analysis of superabsorbent polymers, we found that the concentration of three main compounds increased hundreds or even thousands of times after water absorption, which was inferred to the main cause of the unacceptable odor. To sum up, we hope to use the portable gas chromatograph as a tool to establish a system for rapid and continuous analysis on industrial processes and emission monitoring.

    第一章 緒論 1 1.1 前言 1 1.2 揮發性有機物濃縮概念 3 1.2.1 吸附方法 3 1.2.2 吸附劑種類 4 1.3 微型氣相層析儀 6 1.3.1 文獻回顧 6 1.3.2 層析管柱類別 10 1.3.3 氣體偵測器類別 12 1.4 水中揮發性有機物 15 1.4.1 簡介 15 1.4.2 樣品濃縮方法 16 1.4.3 吹氣捕捉法理論 19 1.5 超吸水性聚合物 22 1.6 研究架構圖 24 第二章 實驗部分 25 2.1 實驗藥品與器材 25 2.1.1 實驗藥品 25 2.1.2 實驗儀器與器材 27 2.2 前濃縮-六向閥系統 29 2.2.1 六向閥運作 29 2.2.2 前濃縮管製作 31 2.3 可攜式氣相層析儀 34 2.3.1 硬體介紹與流道設計 35 2.3.2 電路設計 38 2.3.3 LabVIEW程式控制 45 2.4 氣相層析-質譜儀 47 2.4.1 採樣/進樣系統 47 2.4.2 離子碎片圖比對程式 52 2.5 採樣方法 55 2.5.1 吹氣捕捉法(Purge and Trap) 55 2.5.2 頂空採樣法 57 第三章 結果與討論 58 3.1 可攜式氣相層析儀性能測試 58 3.1.1 十一種工業製程常見VOCs 58 3.1.2 十一種VOCs之校正曲線 62 3.1.3 偵測下限 66 3.1.4 再現性/穩定性測試 68 3.2 水中揮發性有機物 71 3.2.1 水中VOCs Purge & Trap規則 71 3.2.2 Toluene/TCE校正曲線 80 3.2.3 Isopropanol校正曲線 82 3.2.4 活性碳吸附管實驗 83 3.3 SAP 超吸水聚合物氣味分析 86 3.3.1 SAP粉末異味來源 86 3.3.2 SAP粉末成分鑑定 92 3.3.3 可攜式氣相層析儀應用於SAP粉末 97 3.3.4 SAP粉吸水前後差異 101 第四章 結論 106 附錄 108 參考文獻 116

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