Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2005-07-20
2009-02-17
Menon, Krishnan S (Department: 1797)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S650000, C210S651000, C210S653000, C210S321690, C210S501000
Reexamination Certificate
active
07491334
ABSTRACT:
The present invention provides a method of treating a reverse osmosis membrane for boron rejection enhancement, comprising contacting the reverse osmosis membrane with a chemical coating such as PHMB, wherein the reverse osmosis membrane is part of a single-pass reverse osmosis system is configured to reduce the boron concentration of normal seawater or brackish water to less than a predetermined amount.
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Menon Krishnan S
North Pacific Research, LLC
Sheppard Mullin Richter & Hampton LLP
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