Process and apparatus for the catalytic oxidation of SO 2...

Details Process and apparatus for the catalytic oxidation of SO 2... Process and apparatus for the catalytic oxidation of SO 2...

2011-01-18

2011-01-18

Vanoy, Timothy C (Department: 1734)

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

C423S533000, C422S129000, C422S160000, C422S198000, C422S200000, C422S211000

Reexamination Certificate

active

07871593

ABSTRACT:
Process for the continuous catalytic complete or partial oxidation of a starting gas containing from 0.1 to 66% by volume of sulphur dioxide plus oxygen, in which the catalyst is kept active by means of pseudoisothermal process conditions with introduction or removal of energy; apparatus for the continuous catalytic complete or partial oxidation of a starting gas containing sulphur dioxide and oxygen having at least one tube contact apparatus in the form of an upright heat exchanger composed of at least one double-walled tube whose catalyst-filled inner tube forms a reaction tube, with heat being transferred in cocurrent around the reaction tube and an absorber for separating off SO3downstream of the tube contact apparatus; the reactivity of the catalyst being preset by mixing with inert material.

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