Direct Decomposition of N2O Emitted from Nitric Acid Plant Tail Gases Using Noble Metal Supported Mordenite-Zeolite Catalysts

被引：1
|
作者：
Kwon, Byung-Chan [1 ]
Cho, Sung-Su [1 ]
Seo, Minhye [1 ]
Lee, Sungkyu [1 ]
Song, Jinho [1 ]
机构：
[1] Adv Mat & Proc Ctr, Inst Adv Engn, Yongin, South Korea
来源：
MATERIALS TESTING | 2013年 / 55卷 / 04期
关键词：
FE-ZSM-5; CATALYSTS; REDUCTION; O-2;
D O I：
10.3139/120.110440
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Mordenite based catalysts for direct decomposition of N2O have been successfully prepared and their direct decomposition performance characterized at the operating temperature of 300-400 degrees C commonly encountered in the nitric acid plants tail gases. The catalyst was prepared in 2 steps: 1. Precursor wet ion exchange, 2. Precursor impregnation. In addition to the previous contribution, it is shown here that the bimetallic Rh-, Pd-, Ir-Fe-MOR catalysts thus prepared exhibited an excellent N2O decomposition performance: total conversion efficiency of Rh-Fe-MOR catalyst has been achieved at 400 degrees C and between 7500 h(-1) and 10 000 h(-1) space velocity.
引用
收藏
页码：305 / 309
页数：5
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