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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 鄭福田(Fu-Tien Jeng) | |
| dc.contributor.author | Yi-Hsien Yu | en |
| dc.contributor.author | 余奕賢 | zh_TW |
| dc.date.accessioned | 2021-06-13T00:00:52Z | - |
| dc.date.available | 2008-08-01 | |
| dc.date.copyright | 2007-08-01 | |
| dc.date.issued | 2007 | |
| dc.date.submitted | 2007-07-31 | |
| dc.identifier.citation | 參考文獻
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REV.—SCI. ENG., 35(4), 457-481 34. Zotin, F. M. Z., Gomes, O. d. F. M., Oliveira, C. H. d., Neto, A. A., Cardoso, M. J. B. 2005, Automotive Catalyst deactivation: Case studies. Catalysis Today 107-108, 157-167 35. Zwinkels, M. F.M., Heginuz, G.M. E., Gregertsen B. H., Sjostrom K., Jaras, S. G. 1997, Catalytic combustion of gasified biomass over Pt/Al2O3. Applied Catalysis A: General 148, 325-341 36. 吳啟明 1997, 汽車排氣淨化裝置，全國工商出版社。 37. 歐陽華 1993, 鈰鋯複合氧化物對一氧化碳氧化影響之研究, 逢 甲大學紡織工程研究所碩士論文 38. 劉育穎 2001, 機車排放醛酮化合物特徵與光化反應性研究, 國立成功大學環境工程學系碩士論文 39. 劉鎧仲 2001, 以觸媒還原一氧化氮之研究：氧濃度及促進劑對銅觸媒之效能影響, 國立中山大學環境工程研究所碩士論文 40. 顏駿翔 2001, 添加Mn/γ-Al2O3 於觸媒濕式氧化程序處理2,4-二氯酚水溶液之研究, 國立中山大學環境工程研究所碩士論文 41. 楊昇府 2002, 以Cu/Ce 觸媒應用於氣相氨氧化及其反應動力之研究, 國立中山大學環境工程研究所碩士論文 42. 彭柏鈞 2003, 都會區機車行車型態與空氣污染物特性之調查, 國立成功大學環境工程學系碩士論文 43. 李秋煌 2003, 專題報導-生活中的神燈-觸媒, 科學發展2003年10月，370期 44. 林雍傑 2004, 電子噴射機車引擎省油低污染及高性能動力特性EC U M a p之建立, 國立雲林科技大學機械工程所碩士論文 45. 葉惠芬 2004, 冷熱啟動測試機車排放揮發性有機物特徵之差異研究, 國立成功大學環境工程學系碩士論文 46. 陳昱豪 2006, 油品成分對機車引擎排放揮發性有機物之影響, 國立台灣大學環境工程所碩士論文 47. 張安伶 2006, 油品成分對機車引擎排放氣態污染物影響研究, 國立成功大學環境工程學系碩士論文 48. ARTC 財團法人車輛研究測試中心 2001, 替代清潔燃料車輛種類介紹 49. 交通銀行 2004, 交通銀行產業調查與技術季刊150期—機車工業 50. TOYOTA 汽車教室網, URL: http://tech.toyota.com.tw/index.asp 51. 交通部統計處網站, URL: http://www.motc.gov.tw/hypage.cgi?HYPAGE=stat.asp 52. 行政院環保署移動污染源管制網, URL: http://mobile.epa.gov.tw/restrain.asp | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/28083 | - |
| dc.description.abstract | 機車為我國廣為應用之交通工具，然而以往移動源研究對象以汽車為多，機車相關研究十分有限。以往探討三元觸媒轉化器劣化機制
之研究，亦多侷限以汽車為對象。有鑑於此，本研究利用配製模擬廢氣及實驗室加速劣化程序，檢討操作溫度、操作時間及廢氣含氧量對三元觸媒轉化器之影響。本研究利用排氣分析儀配製模擬廢氣通入觸媒中並加以高溫進行劣化程序，再將經劣化後之觸媒樣品，進行特性分析及相關檢討。 觸媒因高溫操作導致熱劣化之機制主要分為載體燒結、活性金屬 燒結及具有活性之結晶因高溫轉變成不具活性。由比較面積分析儀、X光粉末繞射儀、掃瞄式電子顯微鏡—能量分散光譜儀分析結果顯示：在機車操作溫度範圍內，主要熱劣化機制為載體燒結，不論在何種劣化條件下，觸媒之比表面積及孔徑分佈隨劣化溫度提高而往低比表面積及大孔徑分佈方向成長。 在不同劣化條件劣化之觸媒，其起燃溫度曲線呈現不同特性的改變，經5 小時劣化之觸媒活性測試結果與其他條件劣化之觸媒呈趨勢不規則之變化。經當量點及氧化性劣化之觸媒活性測試結果相似，而經還原性劣化之觸媒，活性指標T75 優於其餘二者。溫度與廢氣含氧量對觸媒熱劣化影響較劣化時間顯著。在本研究設定之劣化條件範圍內，本研究建構之模式可合理推估觸媒經長時間操作後之比表面積變化情形。 | zh_TW |
| dc.description.abstract | Motorcycles constitute important parts of air pollution emission in Taiwan. However, only limited studies were focused on the deactivation mechanisms of three-way catalyst converters used in motorcycles.
Furthermore, the performance of deactivated catalyst converters on motorcycles has not been extensively studied. In this study, thermal aging of the catalyst is simulated in laboratory scale. Based on results of several surface characterization techniques, the effects of aging test exhaust, temperature, and time were examined. Thermal deactivation mechanism is a combination of several aging phenomena, including sintering of active phase, the collapse in surface area and the thermal deactivation of solid phase. According to the measurement results of specific surface area, XRPD, SEM-EDS, the main mechanism of thermal deactivation is deduced as the collapse in surface area. For all thermal aging operating modes studied, the temperature increase reduced the specific surface area and increased the pore size. For all thermal aging operating modes studied, light-off curves of aged catalysts were different. The activity test results of 5 hours aged catalysts were differ from others. The results of activity test of during stochiometric and oxidative aging were similar, and the activity indicator, T75 of during reductive aging catalysts, was lower than the others. The aging temperature and composition of test exhaust are more effective than aging time. The constructed model has good performance on predictions within the thermal aging operating range studied. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T00:00:52Z (GMT). No. of bitstreams: 1 ntu-96-R94541116-1.pdf: 15912775 bytes, checksum: 721903b7e0b4f86936b6003797c148c5 (MD5) Previous issue date: 2007 | en |
| dc.description.tableofcontents | 第一章 前言·························································································· 1
1.1 研究緣起························································································· 1 1.2 研究目標························································································ 2 第二章 文獻回顧·················································································· 3 2.1 機動車輛排氣特性及貢獻····························································· 3 2.1.1 台灣機車現況分析·································································· 3 2.1.2 機動車輛排放特性·································································· 3 2.1.3 移動源廢氣排放成因與對人體健康危害······························ 6 2.1.4 機動車輛排氣特性影響因子·················································· 8 2.1.5 我國機車排氣管制措施························································ 10 2.2 三元觸媒轉化器··········································································· 14 2.2.1 活性金屬················································································ 15 2.2.2 基材························································································ 18 2.2.3 載體························································································ 19 2.2.4 促進劑···················································································· 20 2.3 觸媒熱劣化················································································· 22 2.3.1 熱劣化機制············································································ 22 2.3.2 熱劣化影響因子···································································· 24 2.3.3 加速劣化試驗方法································································ 25 2.4 三元觸媒其他劣化機制······························································· 26 2.4.1 化學性劣化—毒化································································ 26 2.4.2 物理性劣化—阻塞、固相反應與機械磨損························ 27 2.5 觸媒劣化預測模式之探討··························································· 28 第三章 研究方法················································································ 32 3.1 研究規劃······················································································ 32 3.2 試驗參數設定·············································································· 36 3.3 機車使用觸媒熱劣化方法··························································· 40 3.3.1 熱劣化設備介紹···································································· 41 3.3.2 熱劣化程序············································································ 41 3.4 三元觸媒特性分析······································································· 42 3.4.1 表面特性分析儀器及基本原理············································· 42 3.4.2 活性測試設備········································································ 43 3.4.3 活性測試分析程序································································ 45 第四章 結果與討論············································································ 46 4.1 熱劣化對觸媒表面特性之影響··················································· 46 4.1.1 熱劣化對觸媒比表面積之影響············································ 46 4.1.2 熱劣化對觸媒孔徑之影響·················································· 54 4.2 熱劣化引起之固相反應······························································· 58 4.3 熱劣化對觸媒活性之影響························································· 72 4.3.1 活性測試前置試驗······························································ 72 4.3.2 經劣化後之觸媒活性測試····················································· 81 4.4 觸媒比表面積燒結動力模式······················································· 92 4.4.1 燒結動力模式建構································································ 92 4.4.2 經驗模式適用性探討···························································· 98 第五章 結論與建議·········································································· 104 5.1 結論···························································································· 104 5.2 建議···························································································· 106 參考文獻 ···························································································· 107 附 錄 ···························································································· 112 附錄一 儀器分析原理···································································· 113 附錄二 觸媒孔徑分佈圖································································ 119 附錄三 觸媒SEM-EDS 圖譜························································· 122 附錄四 劣化預測模式模擬結果···················································· 149 | |
| dc.language.iso | zh-TW | |
| dc.title | 機車使用觸媒熱劣化現象之探討 | zh_TW |
| dc.title | Thermal Deactivation of Catalyst Converters on Motorcycles | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 95-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 蔡俊鴻,謝祝欽,張艮輝,林文印,陳律言 | |
| dc.subject.keyword | 三元觸媒轉化器,實驗室加速劣化程序,熱劣化,活性測試,起燃溫度曲線,熱劣化預測模式, | zh_TW |
| dc.subject.keyword | three-way catalyst,laboratory scale aging,thermal deactivation,activity test,light-off curve,thermal deactivation,predictive model, | en |
| dc.relation.page | 151 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2007-07-31 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 環境工程學研究所 | zh_TW |
| 顯示於系所單位： | 環境工程學研究所 | |
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