Control system for an absorption column
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Disposal of hydrogen sulfide gas by conversion to sulfate ions in an aqueous solution Patent #: 6017501
ApplicationNo. 801814 filed on 03/09/2001
US Classes:423/220, Carbon dioxide or hydrogen sulfide component422/106, Responsive to liquid level422/108, Control element responds proportionally to a variable signal from a sensor423/228, Amine423/229Ethanolamine
ExaminersPrimary: Silverman, Stanley S.
Assistant: Vanoy, Timothy C.
Attorney, Agent or Firm
Foreign Patent References
International ClassesB01D 053/62
Foreign Application Priority Data2000-03-10 JP
AbstractA method for controlling absorbent at a decarboxylation facility with an absorption tower having an amine recovery section and a regeneration tower, including controlling a temperature controller for controlling a temperature of circulating water forwarded to the amine recovery section of the absorption tower by a controller which controls a liquid level at the bottom of the absorption tower, whereby the concentration of amine in the absorbent is regulated.