公开(公告)号：EP0643668A4

公开(公告)日：1994-06-27

申请号：EP92919814

申请日：1992-08-26

申请人： CUMMINS POWER GENERATION INC

发明人： SLONE RALPH J ,  MAY DAVID F ,  WATSON STEPHEN W

IPC分类号： B01D53/34 ,  B01D53/56 ,  F02B3/06 ,  C01B21/00 ,  B01J8/00

CPC分类号： B01D53/56 ,  F02B3/06 ,  F02B2275/14 ,  Y02C20/10

摘要： A process and apparatus are disclosed in which cyanuric acid is utilized to remove nitrogen oxides (or ''NOx'') from exhaust gases or the like. In one embodiemnt, particles of cyanuric acid (14) are contacted with the exhaust gas under conditions in which the cyanuric acid decomposes and the NOx is reduced. A venturi (24) is utilized to controllably convey the particles of cyanuric acid into the exhaust gas (38). Supplemental fuel such as diesel or other fuels may be added to control reaction conditions such as temperature. In other embodiments, a liquid cyanuric acid slurry is formed, with the liquid comprising diesel fuel, water or other suitable liquid. The liquid cyanuric acid slurry may be heated and/or catalyzed prior to contact with the exhaust gas. In certain embodiments, the liquid-cyanuric acid slurry is heated and/or catalyzed in a manner so as to produce decomposition products including reactive species such as free radicals, which are subsequently contacted with the exhaust gas.