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What should be the quality of Desalter wash water make-up?
Please clarify in terms of Hardness, PH , H2S,Alkalinity and Chloride content.
Deaerated water is not available only limited quantity of Boot water from accumulator is available.
 
Answers
26/03/2014 A: sam lordo, Becht Engineering, salordo@comcast.net
Typical Wash Water Sources
Stripped Sour Water
Condensates
Typical Wash Water Quality
pH 6 - 8
NH3 < 10 ppm
Cl – < 25 ppm
Temp. > 180°F(82°C)
Oil Nil
In some cases (it is expensive) boiler feedwater is used.