OIL SANDS PROCESS WATER TREATMENT FOR REUSE
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United States of America Patent
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Issued Date -
Jun 2, 2011
app pub date -
Nov 2, 2010
filing date -
Nov 3, 2009
priority date (Note) -
Abandoned
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Abstract
A process for treating oil sands process water is provided, comprising removing free oil and grease from the oil sands process water to produce de-oiled process water; reducing the total suspended solids by subjecting the de-oiled process water to filtration using a membrane system to produce filtered process water; and removing dissolved ions such as chloride ions and sulfate ions present in the filtered process water by reverse osmosis to produce a treated water stream and a concentrated salt stream.
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