Combination of hydrotreating and delayed coking technologies for conversion of residue

doi:10.1016/j.cjche.2023.03.029

Chinese Journal of Chemical Engineering ›› 2023, Vol. 63 ›› Issue (11): 209-219.DOI: 10.1016/j.cjche.2023.03.029

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Combination of hydrotreating and delayed coking technologies for conversion of residue

José A.D. Muñoz, Gabriel Páez, Jorge Ancheyta

Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas Norte 152, Col. San Bartolo Atepehuacan, México City 07730, México

Received:2022-11-18 Revised:2023-03-01 Online:2024-01-08 Published:2023-11-28
Contact: Jorge Ancheyta,E-mail:jancheyt@imp.mx
Supported by:
The authors thank the Mexican Institute of Petroleum (IMP) for the financial support. Gabriel Páez also thanks the National Council for Science and Technology (CONACYT) for the scholarship for MSc studies.

Combination of hydrotreating and delayed coking technologies for conversion of residue

José A.D. Muñoz, Gabriel Páez, Jorge Ancheyta

Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas Norte 152, Col. San Bartolo Atepehuacan, México City 07730, México

通讯作者: Jorge Ancheyta,E-mail:jancheyt@imp.mx
基金资助:
The authors thank the Mexican Institute of Petroleum (IMP) for the financial support. Gabriel Páez also thanks the National Council for Science and Technology (CONACYT) for the scholarship for MSc studies.

Abstract

Abstract: Residue conversion by combining catalytic hydrotreating and delayed coking has been evaluated comparatively with both processes alone. Optimal operating conditions are defined to achieve the greatest economic benefit for upgrading an atmospheric residue from a heavy crude oil. A literature model was adapted to simulate the hydrotreating reactor, and for delayed coking, correlations reported in the literature were used. The results with both approaches were employed to calculate the techno-economic feasibility of the combined process scheme. The combination of hydrotreating and delayed coking presented an increase in light fractions of 29% and a reduction in coke production of 47.8%. Based on the calculated net benefit values, it was demonstrated that the combination of hydrotreating and delayed coking is technically and economically better than using each process alone, with highest benefit of 57.7 USD·m^-3.

Key words: Economic benefit, Heavy oil, Hydrotreating, Delayed coking

摘要： Residue conversion by combining catalytic hydrotreating and delayed coking has been evaluated comparatively with both processes alone. Optimal operating conditions are defined to achieve the greatest economic benefit for upgrading an atmospheric residue from a heavy crude oil. A literature model was adapted to simulate the hydrotreating reactor, and for delayed coking, correlations reported in the literature were used. The results with both approaches were employed to calculate the techno-economic feasibility of the combined process scheme. The combination of hydrotreating and delayed coking presented an increase in light fractions of 29% and a reduction in coke production of 47.8%. Based on the calculated net benefit values, it was demonstrated that the combination of hydrotreating and delayed coking is technically and economically better than using each process alone, with highest benefit of 57.7 USD·m^-3.

关键词: Economic benefit, Heavy oil, Hydrotreating, Delayed coking

José A.D. Muñoz, Gabriel Páez, Jorge Ancheyta. Combination of hydrotreating and delayed coking technologies for conversion of residue[J]. Chinese Journal of Chemical Engineering, 2023, 63(11): 209-219.

José A.D. Muñoz, Gabriel Páez, Jorge Ancheyta. Combination of hydrotreating and delayed coking technologies for conversion of residue[J]. 中国化学工程学报, 2023, 63(11): 209-219.

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Combination of hydrotreating and delayed coking technologies for conversion of residue

Combination of hydrotreating and delayed coking technologies for conversion of residue

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