Method of recovering sulfur component in sulfur recovery process

摘要

In the present invention, by a process that (1) reacts SO _{2 (24)} gas rich H _{2 S} content of a gas rich H _{2 S} content of the reactor to the presence of a catalyst and organic solvent (101) in _{2 S} H is removed, sulfur (60) is generated. Is removed from the reactor (101) (5) H ₂ S-containing gas, to produce (10) (104), the combustion gas high SO ₂ content is combusted. Preferably, the combustion gas to also include sulfur vapor and water vapor, the reactor exhaust gas is burned in oxygen of substoichiometric amounts. Combustion gas, is cooled by indirect heat exchange, or (234) direct cooling, generating (31) a (Wackenroder solution, for example) an aqueous stream comprising a polythionic acid and solid sulfur which water and suspended primarily , the aqueous stream is subjected to cooling of the reaction ₂ H ₂ S-SO. Problems associated with the generation and processing of Wackenroder solution is resolved, sulfur valuables in these materials are recovered.