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公开(公告)号：EP0110457A1
公开(公告)日：1984-06-13
申请号：EP83201587.9
申请日：1983-11-04
Applicant: STAUFFER CHEMICAL COMPANY
Inventor： Canales, Manuel Julio , Reynolds, John
CPC classification number: C01B17/05 , B01D53/501
Abstract: Sulfur dioxide (S0 2 ) is absorbed from waste gases by absorbing S0 2 in an aqueous absorbent comprising soluble sulfite in an absorber: stripping the S0 2 from the absorbent: absorbing the stripped S0 2 in a separate absorbent for the S0 2 ; and reacting the thus absorbed S0 2 in a liquid Claus reactor forming sulfur. In a preferred embodiment, the gas from the stripping step is subjected to a condensation step in a heat exchanger boiler where steam ingoing to the stripper is generated.
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