C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/332
C01B 17/04 (2006.01)
Patent
CA 1305845
PROCESS FOR PRODUCING ELEMENTAL SULPHUR A B S T R A C T The present invention relates to the production of elemental sulphur from sulphur dioxide and hydrogen sulphide by the Claus reaction. To obtain elemental sulphur, into a catalyst bed di- vided into at least two parts the reaction gas having tem- perature of not less than 120°C is introduced in the direc- tion perpendicular to the cross-section along which the catalyst bed is divided. At least into one part of the catalyst bed sulphur dioxide and hydrogen sulphide are introduced at a temperature below the dew point of sulphur. Between parts of the catalyst bed resulting from its divi- sion intermixing and/or cooling of the reaction gas is effected. In at least one part of the catalyst bed the direction of supply of the reaction gas is effected to the opposite when the difference in temperatures of this gas at the inlet and outlet of the catalyst bed reaches 50-150°C. Gaseous sulphur formed as a result of interaction of the reaction gas with the catalyst is withdrawn from the catalyst bed and subjected to a further condensation.
549448
Eremin Oleg G.
Malakhova Irina V.
Matros Jury S.
Zagoruiko Andrei N.
Eremin Oleg G.
Institut Kataliza Sibirskogo Otdelenia Akademii Nauk Sssr
Malakhova Irina V.
Matros Jury S.
Swabey Ogilvy Renault
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