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  1. Article: Sour Water system

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    I just pasted that I summaries before.

    What is the specification for the phenolic and non-phenolic sour water or how it is classified?
    -> The two product specs. differs in terms of ammonia because the phenols have a weak acid behavior, influencing the pH of the solution, therefore at the same operating conditions (P, T and NH3/H2S concentration) and the same specific stripping steam consumption (kg of steam/ m3 of sour water) the phenolic stripper will show a better performance in terms H2S removal (removal of H2S is promoted by low pH) and a worst performance in terms of NH3 removal (removal of NH3 is inhibited by low pH)

    Is phenols removed in sour water stripper ? If not then where it is removed ?
    ->In the desalter the phenols in the stripped sour water (100-150 mg/l depending on the severity of -----ing in FCC) are transferred to the crude due to their affinity to crude oil rather than waste water. The desalter effluent may contain from 30 to 50 mg/l of phenols. The desalter effluent can then be further stripped to remove Sulphides and Ammonia before sending to the wastewater treatment plant. No stripper is designed to remove phenols.
    Last edited by spacer; 03-16-2011 at 11:57 AM.

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