A "Nitrate Route'' for the low temperature "Fast SCR'' reaction over a V2O5-WO3/TiO2 commercial catalyst

被引：129

作者：

Ciardelli, C

Nova, I

Tronconi, E

Chatterjee, D

Bandl-Konrad, B

机构：

[1] Politecn Milan, Dip Chim Mat & Ing Chimica G Natta, I-20133 Milan, Italy

[2] DaimlerChrysler AG, ABT RBP C, D-70546 Stuttgart, Germany

来源：

CHEMICAL COMMUNICATIONS | 2004年 / 23期

关键词：

D O I：

10.1039/b411613e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel mechanism is proposed for the Fast SCR reaction of NH3, NO and NO2 at low temperature involving the formation of ammonium nitrate as intermediate and its subsequent reaction with NO as the rate determining step.

引用

页码：2718 / 2719

页数：2

共 9 条

[1]

CIARDELLI C, 2004, CHEM ENG SCI

[2]

KATO A, 1981, J PHYS CHEM-US, V85, P4099, DOI 10.1021/j150626a029

[3] Enhanced reoxidation of vanadia by NO2 in the fast SCR reaction [J].

Koebel, M ;

Madia, G ;

Raimondi, F ;

Wokaun, A .

JOURNAL OF CATALYSIS, 2002, 209 (01) :159-165

[4] Selective catalytic reduction of NO and NO2 at low temperatures [J].

Koebel, M ;

Madia, G ;

Elsener, M .

CATALYSIS TODAY, 2002, 73 (3-4) :239-247

[5] Reaction pathways in the selective catalytic reduction process with NO and NO2 at low temperatures [J].

Koebel, M ;

Elsener, M ;

Madia, G .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2001, 40 (01) :52-59

[6] Side reactions in the selective catalytic reduction of NOx with various NO2 fractions [J].

Madia, G ;

Koebel, M ;

Elsener, M ;

Wokaun, A .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2002, 41 (16) :4008-4015

[7] The effect of an oxidation precatalyst on the NOx reduction by ammonia SCR [J].

Madia, G ;

Koebel, M ;

Elsener, M ;

Wokaun, A .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2002, 41 (15) :3512-3517

[8] Spectroscopic evidence for a nitrite intermediate in the catalytic reduction of NOx with ammonia on Fe/MFI [J].

Sun, Q ;

Gao, ZX ;

Wen, B ;

Sachtler, WMH .

CATALYSIS LETTERS, 2002, 78 (1-4) :1-5

[9] NOx reduction from diesel emissions over a nontransition metal zeolite catalyst:: A mechanistic study using FTIR spectroscopy [J].

Yeom, YH ;

Wen, B ;

Sachtler, WMH ;

Weitz, E .

JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (17) :5386-5404

← 1 →