Liquid purification or separation – Processes – Chemical treatment
Reexamination Certificate
2005-11-01
2010-02-16
Barry, Chester T (Department: 1797)
Liquid purification or separation
Processes
Chemical treatment
C210S765000, C210S670000, C210S671000, C210S695000, C210S748080, C210S223000
Reexamination Certificate
active
07662295
ABSTRACT:
A method and an apparatus for removing dissolved organic substances from an oily water obtained as a by-product from an oilfield, characterized in that an oily water obtained as a by-product from an oilfield by separating a crude oil from a crude oil/brine mixture is brought into contact with an adsorbent to adsorptively remove organic substances dissolved in the water containing oil suspended therein and that the adsorbent is regenerated.
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Arato Toshiaki
Honji Akio
Iizuka Hidehiro
Isogami Hisashi
Komatsu Shigesaburo
Antonelli, Terry Stout & Kraus, LLP.
Barry Chester T
Hitachi , Ltd.
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