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7361326 Process for the production of sulfuric acid  
A process of producing sulfuric acid from feed gases containing 0.1-30% SO 2 . The process produces concentrated sulfuric acid from a feed gas containing 0.1 vol % to 30 vol % SO 2 , in particular...
5591417 Removing SOx, CO and NOx from flue gases  
Removing sulfur oxide, carbon monoxide and nitrogen oxide in a flue gas stream by combusting fuel in the combustor with a reduced amount of oxygen to convert all sulfur-containing species in the...
5514351 Desulfurizing tailgas from sulfur recovery unit  
With sufficient oxygen but with no added fuel gas, recovering sulfur from a gas stream containing hydrogen sulfide by oxidizing the gas stream with heat exchange from heat generated in a thermal...
5458861 Desulfurizing a gas stream  
A multi-bed process of removing sulfur oxides and/or other combustible sulfur-containing compounds from a gas stream including combusting the other combustible sulfur-compounds when present in the...
5292492 Recovering sulfur from ammonia acid gas stream  
Method and system for recovering sulfur from an ammonia acid gas stream containing hydrogen sulfide comprising the steps of combusting the ammonia acid gas stream with air or oxygen to convert the...
4915912 Apparatus for the generation of sulfur trioxide reagent and sulfonation of the surface of polymeric resins  
The present invention provides an apparatus for generating a reagent of sulfur trioxide in a carrier which includes a reagent generator. The reagent generator has associated therewith means for...
4902493 Process for the generation of sulfur trioxide reagent and sulfonation of the surface of polymeric resins  
The present invention provides a process for generating a reagent of sulfur trioxide in a carrier. A source of sulfur trioxide, a carrier, and oleum are introduced into a reagent generator. The...
Matches 1 - 7 out of 7