Journal
FUEL
Volume 334, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2022.126404
Keywords
Hydrotreating; Heavy oil; Residue; Kinetics; Modeling
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The need to upgrade heavy oil and residue into cleaner fuel and more valuable products is continuously increasing in refineries. Hydrotreating is the most common and essential process for this purpose. Understanding the kinetics of hydrotreating is important for improving the upgrading chemistry and petroleum refining process.
The necessity to upgrade the bottom of the barrel into cleaner fuel and more valuable products is continuously increasing. The most common and essential process in refineries to upgrade heavy oil and residue is hydrotreating (HDT). The kinetics of HDT provides valuable information for upgrading chemistry and petroleum refining process. The scope of the present review is to cover the recent progress in HDT kinetics of petroleum heavy oil and residue, including hydroconversion kinetics of some representative model compounds, single/ integral kinetic models, lumping models and molecular reconstruction models for HDT of heavy oil and residue. The advantages and disadvantages of various kinetic models are discussed. The discrete lumping models based on data fitting combined with the single event concept are promising. More approaches are needed to develop more accurate and concise kinetic models based on a better understanding of HDT chemistry of the complicated heavy oil and residue.
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