High-acid crude oil
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Recently, the company imported a batch of high-acid crude oil from abroad. What does \"acid\" refer to in high-acid crude oil? What should be noted during processing? Thank you!
High-acid crude oil refers to crude oil with a naphthenic acid TAN value of >0.5 mgKOH.g-1; the content of naphthenic acids is generally expressed by the acid number TAN, which is the number of milligrams of KOH required to neutralize the acidic substances in 1 gram of oil, measured in mgKOH.g-1. High-acid crude oil can exacerbate corrosion in the facility; if naphthenic acid corrosion was not taken into account during design, it may affect the facility’s service life.