Method for reducing the selenium concentration in an oil refiner

Liquid purification or separation – Processes – Ion exchange or selective sorption

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210672, 210684, 210688, C02F 142

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active

056017219

ABSTRACT:
Selenium exists in oil refinery stripped sour water as selenocyanate and can be effectively removed using an acrylic, strong base, anion exchange column or stannous chloride. The acrylic, strong base, anion exchange column can also be employed to remove arsenic, iron, and vanadium from an aqueous fluid.

REFERENCES:
patent: 4518504 (1985-05-01), Wolcott
patent: 4790945 (1988-12-01), Baker
patent: 4915928 (1990-04-01), Marcantonio
patent: 5071568 (1991-12-01), Bennett et al.
patent: 5264133 (1993-11-01), Forschner et al.
patent: 5279745 (1994-01-01), Jeffers et al.
patent: 5290589 (1994-03-01), Clough et al.
patent: 5352517 (1994-10-01), Clough et al.
Bailey et al., "Sorption Onto and Recovery of Cr(VI) Using Iron-Oxide-Coated Sand", Wat. Sc. Tech. vol. 26, No. 5-6, pp. 1239-1244 (1992).
Technical Bulletin Fluid Process Chemicals, "Ion Exchange Resin-Countercurrent Regeneration Engineering Notes", Rohm and Haas Co., Philadelphia, PA., pp. 1-18, (Jan., 1986).
Avery et al., "Ion Exchange Treatment Process for Selective Removal of Cyanide", Rohm and Haas Co. Philadelphia, PA.
Technical Bulletin Fluid Process Chemicals, "Ion Exchange Resin-Cocurrent Regeneration Engineering Notes", Rohm and Haas Co., Philadelphia, PA. pp. 1-11 (Jan., 1986).
Separation Technologies, "Anion Exchange Resin", Rohm and Haas Co., Philadelphia, PA. (Sep., 1990).
Pontius, F. W. American Water Works Assoc., "Water Quality and Treatment", McGraw-Hill, Inc., 4th Edition, pp. 624-626.
Hayes, K. F. et al., "In Situ X-ray Absorption Study of Surface Complexes: Selenium Oxyanions on .alpha.-FeOOH, Science", vol. 238, pp. 783-785, (Nov., 1987).
Lien, R. H. et al., Proceedings of the Gold '90 Symposium, "chemical and Biological Cyanide Destruction and Selenium Removal From Precisious Metals Tailings Pond Water", Society for Mining, Metallurgy and Exploration, Inc. Littleton, Colorado, (1990).
Gottlieb, M. C., "Fundamentals of Ion Exchange", pp. 87-115.
Chevron's Mar. 31, 1989 report to the Regional Water Quality Control Board entitled "Control Stratregy for Selenium".
"Resintech.TM. SBACR1 Acrylic Anion Exchange Resin Type One".
EPA/540/SR-93/515 (Sep., 1993).
Boegel et al, "Selenium Oxidation and Removal by Ion Exchange", EPA/600/2-86/031, Mar. 1986.

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