10
1.
SCR-Reaction
NO
x
+ NH
3
=
N
2
+ ...
Side Reactions:
2.
NH
3
Oxidation
NH
3
+ O
2
=
NO
x
+ ...
3.
SO
2
Oxidation
SO
2
+ O
2
= SO
3
+ ...
All 3 reactions catalysed by V
2
O
5
(1)
without (2),
theoretically
(2)
(3)
Catalyst Performance vs T