Method and apparatus for reducing the ammonia concentration of sulfur recovery facility gas streams
 Ammonium compounds deposited on catalyst in a sulfur recovery facility are removed by passing a hot regeneration stream in contact with the catalyst to produce a regeneration effluent stream containing ammonia followed by combustion or catalysis to reduce the concentration of ammonia in the regeneration effluent stream. 
Standard Oil Company (Indiana)
C Y
C01B Y02P
inventional additional
Robert L. John W.
Reed Palm