Processes and systems for treating sour water

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United States of America Patent

PATENT NO 11897794
APP PUB NO 20230100630A1
SERIAL NO

18061147

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Processes for producing olefins may include electrolyzing an aqueous solution comprising metal chloride, where electrolyzing the aqueous solution causes at least a portion of the metal chloride to undergo chemical reaction to produce a treatment composition comprising hypochlorite. The processes may further include contacting at least a portion of the treatment composition with the sour water at a pH from 8 to 12, where the sour water comprises sulfides and the contacting causes reaction of the sulfides in the sour water with the hypochlorite to produce a treated aqueous mixture comprising at least metal sulfates and metal chlorides, where the metal sulfates are present in the treated aqueous mixture as precipitated solids. The processes may further include separating the precipitated solids from the treated aqueous mixture to produce a treated effluent comprising at least the metal chloride.

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Patent Owner(s)

Patent OwnerAddress
SAUDI ARABIAN OIL COMPANYP O BOX 5000 DHAHRAN 31311

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raynel, Guillaume Robert Jean-Francois Dhahran, SA 27 54

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