A process and a device for reducing the nitrous oxide which is formed during the catalytic combustion of ammonia and {HEAD ~ oxygen} to form {TAIL ~ nitrogen oxides} 
to form
A process and a device for reducing the nitrous oxide which is formed during the catalytic combustion of ammonia and { HEAD ~ oxygen } to form { TAIL ~ nitrogen oxides }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL