Corrosion Behavior of Naphthenic Acids Isolated from Vacuum Gas Oil Fractions

• Published in: NACE International Corrosion Conference Proceedings pp. 1 - 15
• Main Authors: Kurapati, Yathish, Robbins, Winston, Bota, Gheorghe, Young, David
• Format: Conference Proceeding
• Language: English
• Published: Houston NACE International 01.01.2018
• Subjects: Acetic acid; Acids; Aminopropyl silica; Carboxylic acids; Corrosion tests; Crude oil; Crude oil prices; Evaluation; Gas oil; High temperature; Laboratories; Mineral oils; Naphthenic acids; Pretreatment; Scanning electron microscopy; Silicon dioxide; Solid phases; Sulfidation; Sulfur; Sulfur compounds; Toluene

Most opportunity crudes have increased acidity and reactive sulfur compounds, making high temperature (~220-400°C) sulfidation-naphthenic acid (SNAP) corrosion a key concern for process and corrosion engineers.1'2 Naphthenic acids (NAP) are naturally occurring carboxylic acids in crude oil that...