کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
52747 | 46885 | 2007 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Promotive effect of Nb2O5 on the catalytic activity of Ir/SiO2 for NO reduction with CO under oxygen-rich conditions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The addition of Nb2O5 was found to promote considerably the catalytic activity of Ir/SiO2 for the selective reduction of NO with CO under excess O2- and SO2-free conditions. Improvement of durability against oxidation of Ir metal by Nb2O5 addition is the main reason for the activity enhancement. Adding Nb2O5 to Ir/SiO2 (Nb2O5/Ir/SiO2) was more effective than using Nb2O5/SiO2 support for Ir (Ir/Nb2O5/SiO2). The excellent activity of Nb2O5/Ir/SiO2 can be attributed to the strong interaction of Ir with Nb2O5 as well as high Ir dispersion.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Catalysis Communications - Volume 8, Issue 6, June 2007, Pages 885–888
Journal: Catalysis Communications - Volume 8, Issue 6, June 2007, Pages 885–888
نویسندگان
Tsukasa Tamai, Masaaki Haneda, Tadahiro Fujitani, Hideaki Hamada,