NO2-NH3-O2 reaction over TiO2 based catalysts

被引：2

作者：

Kato, A ^{[1
]}

Matsuda, S ^{[1
]}

机构：

[1] Hitachi Ltd, Hitachi Res Lab, Hitachinaka 3120034, Japan

来源：

NIPPON KAGAKU KAISHI | 1998年 / 06期

关键词：

D O I：

10.1246/nikkashi.1998.406

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Activity of TiO2 based catalysts on the NO2-NH3-O-2 reaction was studied in the temperature range of 150-420 degrees C. The formation of NH4NO3 in the presence or absence of the catalysts has also been investigated. The following activity order was obtained at 250 degrees C. Cr>Mn>Co>Pt>>Cu, Fe, Ce>V>Mo>W Durability test for continuous NO2-NH3-O-2 reaction over V2O5-TiO2 and Cr2O3-TiO2 catalyst was carried for 20 hows at 250 degrees C. V2O5-TiO2 catalyst lost its activity drastically after 4 hours mainly by the formation of NH4NO3. On the other hand Cr2O3-TiO2 catalyst maintained the initial activity and the accumulation of NH4NO3 was negligible.

引用

页码：406 / 411

页数：6