Preparation of Offgas for SO2 Oxidation and H2SO4 Making

Its dust is removed by aqueous scmbbing and wet electrostatic precipitation. [Pg.54]

Its H20(g) is removed by condensation with cool water and dehydration with strong sulfuric acid (Chapter 6). [Pg.54]

Its O2 content is raised by adding air just before dehydration. [Pg.54]

Gas source Waste heat boiler Waste heat boiler [Pg.55]

Gas composition (volume%) after scrubbing, cmidensing, and precipitation [Pg.55]

After the above treatments, spent acid regeneration gas typically contains [Pg.54]

Component Concentration entering catalytic SO2 oxidation volume % [Pg.54]

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