Effect of O3 on NO2 sorption from gas over H-Y zeolite:: Supposition on the nitrate anion formation with NO2 and O3 as coreactants

被引：5
|
作者：
Gal, A [1 ]
Kurahashi, M [1 ]
Kuzumoto, M [1 ]
机构：
[1] Mitsubishi Elect Corp, Adv Technol R&D Ctr, Environm Technol & Syst Dept, Amagasaki, Hyogo 6618661, Japan
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2000年 / 104卷 / 46期
关键词：
D O I：
10.1021/jp0029010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The effect of O-3 presence on NO2 sorption over Y-type zeolite ion exchanged with H+ was studied. The experiments with a gas-flow system have been performed where the profiles of NO2 sorption and temperature-programmed desorption were registered. Nitrogen dioxide was removed from a stream of humid air with dew point 0 degreesC by the sorbent saturated with moisture. The distinct influence of ozone presence on the characteristics of NO2 sorption/desorption has been observed. Significant enhancement of NO2 uptake has been obtained by the injection of O-3, which has brought about, as it seems, the formation of Stable nitrate anions within the sorbent. Also, the probability of the practical application of the observed effect has been considered.
引用
收藏
页码：10821 / 10824
页数：4
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