کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
75899 | 49127 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modified temperature programmed desorption evaluation of hydrocarbon trapping by CsMOR zeolite under cold start conditions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
A cesium-exchanged mordenite zeolite was tested as a hydrocarbon trap for cold-start automotive applications using a modified temperature programmed desorption (TPD) procedure. In the modified TPD procedure, a step increase in feed concentration was performed simultaneously with the start of the temperature ramp to more closely mimic cold start conditions. The feed stream contained mixtures of toluene, propane, and water. The cesium-exchanged mordenite trapped propane under these dynamic conditions, demonstrated improved propane trapping when toluene was coadsorbed, and retained its trapping capacity after nearly 40 h of hydrothermal treatment.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Microporous and Mesoporous Materials - Volume 125, Issues 1–2, 1 October 2009, Pages 35–38
Journal: Microporous and Mesoporous Materials - Volume 125, Issues 1–2, 1 October 2009, Pages 35–38
نویسندگان
Paul J. Wesson, Randall Q. Snurr,