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US 2010/0237010 A1Published application
Use of pvpp to remove contaminants from produced water of an oil or gas well
AssigneeISP Investments Inc.
InventorRobert Gibbison
Life of this patent
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Abstract
In accordance with the present invention there is provided a method of removing acidic and/or aromatic contaminants, such as benzene, xylene, toluene, phenols and polyphenols, from produced water of an oil or gas well. The method comprises the step of contacting the produced water with polyvinylpolypyrrolidone (PVPP) to remove the contaminants from said water.
Claims7
A method of removing contaminants from produced water of an oil or gas well comprising the step of contacting said produced water with polyvinylpolypyrrolidone (PVPP) to remove said contaminants from said water.
Dependencies are inferred from the claim text.