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題 名 | Isopropyl Alcohol Dehydration over Chrominophosphate Catalysts(Ⅰ)--A Kinetic Study=磷酸鉻觸媒上之異丙醇脫水反應(Ⅰ)--動力研究 |
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作 者 | 郭勇志; 陳郁文; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 30:5 1999.09[民88.09] |
頁 次 | 頁421-429 |
分類號 | 468.8 |
關鍵詞 | 磷酸鉻觸媒; 異丙醇; 脫水反應; 動力; Chromia; Chrominophosphate; Kinetics; Dehydration; Isopropyl alcohol; |
語 文 | 英文(English) |
中文摘要 | 磷酸鉻觸媒上之異丙醇脫水反應動力研究係在一連續式微反應上進行實驗,反應溫 度為423-573K。反應主要產物(>99%)為丙烯和水,幾乎沒有其它產物產生,反應對異丙醇之分 壓為一階反應,反應可以用Langmuir-Hinshelwood模式來描述,而其速率限制步驟為吸附態 異丙醇之表面反應步驟。 |
英文摘要 | The dehydration of isopropyl alcohol, IPA, over the chrominophosphate catalysts was studied by a continuous flow micro-reactor in the temperature range of 423-573 K. The reaction is very specific with greater than 99 % conversions to propylene and water. The reaction kinetics is first order with respect to the partial pressure of IPA. The reaction mechanism can be described by the Langmuir-Hinshelwood model and the corresponding rate determining step can be justified by the surface reaction of adsorbed IPA on the active sites of the catalyst surface. |
本系統中英文摘要資訊取自各篇刊載內容。