Maryland's Defense Patent Database

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Catalyst-free removal of NOx from combustion exhausts using intense pulsed electron beams

Patent image
NRL

A process and apparatus for removing NOx from exhaust gases produced by combustion-based energy sources. An array of high voltage pulsed electron beams are repetitively generated and transported through a thin foil into the exhaust gas containing NOx. The electron beam deposits its energy into the gas and produces reactive radicals N2+, N+, e, N2 from the NOx in the gas. These radicals recombine through chemical reactions to produce benign by-products nitrogen N2 and oxygen O2 which are output into the atmosphere.

Inventors: 
Sethian, John D.; Myers, Matthew; Wolford, Mathew; Hegeler, Frank
Patent Number: 
Technical domain: 
Chemical engineering
FIle Date: 
2012-10-05
Grant Date: 
2015-07-28
Grant time: 
1,026 days
Grant time percentile rank: 
18
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY