Liquid purification or separation – Processes – Separating
Patent
1998-02-17
2000-10-17
Reifsnyder, David A.
Liquid purification or separation
Processes
Separating
210787, 210806, 494 37, C02F 100, C02F 102, B01D 2126
Patent
active
061326305
ABSTRACT:
A method has been invented for separating components of a wastewater stream, the stream containing water, oil (e.g. heavy oil and/or light oil), undesirable organic material (solid and/or liquid), and contaminating solids, the method including feeding a wastewater stream to a first pre-treatment unit producing a first pretreated stream, feeding the first pretreated stream to a first centrifuge for centrifugal separation, producing a first liquid centrifuged stream, and a second liquid stream, and feeding the first liquid centrifuged stream to a second centrifuge producing a resultant centrifuged stream of recoverable oil and a water phase centrifuged stream which can be treated further or fed back to a source for re-use. The source may be a facility from the group including refineries, chemical plants, paper mill plants, and oil and gas processing facilities.
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Baker Barbara L.
Briant John Charles
DeBenedetto Ronald P.
Reifsnyder David A.
Tuboscope Vetco International Inc.
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