Liquid purification or separation – Processes – Separating
Patent
1995-09-14
1996-09-24
Fortuna, Ana
Liquid purification or separation
Processes
Separating
210805, 210790, 210767, 62 66, 62532, 62541, B01D 3518
Patent
active
055587780
ABSTRACT:
A process for the treatment of a wastewater feed originating from a styrene/propylene oxide production plant and containing hydrocarbons, aldehydes, ketones, alcohols, phenols and salts, by freeze-concentration combined with salt crystals removal, thereby separating the wastewater feed into an at least two-fold concentrated waste product, salt crystals, and a substantially pure water product.
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Janssen Johannes J.
Mos Arie L.
Simons Theodoor J. L. W.
Fortuna Ana
Shell Oil Company
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