Question

In not more than 150 words, Discuss the importance of removing salts (desalting) during the refining...

In not more than 150 words, Discuss the importance of removing salts (desalting) during the refining process.

Homework Answers

Answer #1

Answer: The salts that are most frequently present in crude oil are calcium, sodium and magnesium chlorides. If these compounds are not removed from the oil several problems arise in the refining process. The high temperatures that occur downstream in the process could cause water hydrolysis, which in turn allows the formation of corrosive hydrochloric acid. Sand, silts and salt cause deposits and foul heat exchangers. The need to supply heat to vaporize water reduces crude pre-heat capacity. Sodium, arsenic and other metals can poison catalysts. By removing the suspended solids, they are not carried into the burner and eventually flue gas, where they would cause problems with environmental compliance such as flue gas opacity norms.

Hence it is all about the given question . Thank you :)

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