Selective removal of hydrogen sulfide from gaseous mixtures
Process for acid gas removal Patent #: 4093701
ApplicationNo. 06/281798 filed on 07/09/1981
US Classes:423/228, Amine261/116, Aspirating261/126, Upflowing gases261/79.2, Noncarburetor423/220, Carbon dioxide or hydrogen sulfide component423/229Ethanolamine
ExaminersPrimary: Meros, Edward J.
Assistant: Leeds, Jackson
Attorney, Agent or Firm
International ClassB01D 53/18 (20060101)
Foreign Application Priority Data1980-07-09 FR
AbstractProcess for separating H2 S from CO2, both contained in a treated gas, wherein said gas is contacted with a solution which selectively absorbs H2 S, wherefrom H2 S is separated in a regeneration zone, CO2 being released, said contact step being effected in a contact apparatus comprising 1 to 10 stages each formed of parallel vertical tubes whose bottom portion is provided with injection means of the cyclonic type imparting to the supplied gas and liquid a swirling ascending motion.