Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2005-03-01
2005-03-01
Cecil, Terry K. (Department: 1723)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S749000, C208S203000, C208S230000
Reexamination Certificate
active
06860999
ABSTRACT:
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising:(a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment composition containing water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates and having at least two phases, (i) the first phase containing water, alkali metal alkylphenylate, dissolved alkali metal hydroxide, and dissolved sulfonated cobalt phthalocyanine, and (ii) the second phase containing water and dissolved alkali metal hydroxide; and then (b) separating an upgraded hydrocarbon.
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Begasse John N.
Greaney Mark A.
Huang Charles T.
Le Bihn N.
Leta Daniel P.
Cecil Terry K.
ExxonMobil Research and Engineering Company
Hughes Gerard J.
Merichem Company
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