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Transitioning Refineries from Sweet to Extra Heavy Oil

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Abstract

A sweet–sour petroleum refinery shifting to heavy crude processing will face a number of challenges, many requiring investment to overcome. The difficulty in processing these feeds is related to the properties of extra-heavy oil, including a high aromatics content and a relatively high concentration of contaminants that pose a threat to reliability and product quality.

In this chapter, the relationship between feed composition and unit design is explored, with unit revamp and new-build strategies discussed for process units to adapt to the new crudes. Among other investments, significant scope is likely to include fractionation upgrading for improved removal of asphaltenes, volatile metals, and salts, as well as hydrotreaters modifications to deal with contaminants and counter the hydrogen deficiency of the oil.

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Correspondence to Martin R. Gonzalez .

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Gonzalez, M.R. (2017). Transitioning Refineries from Sweet to Extra Heavy Oil. In: Hsu, C.S., Robinson, P.R. (eds) Springer Handbook of Petroleum Technology. Springer Handbooks. Springer, Cham. https://doi.org/10.1007/978-3-319-49347-3_31

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