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2010•Unpublished venueRequires access

Problems in engineering of FCC gasoline hydrotreating process and countermeasures

Sinopec Luoyang

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Abstract

Based upon the operation of FCC gasoline hydrotreating units in China,the problems encountered in the engineering of FCC gasoline hydrotreating process are described such as great loss of gasoline octane number,higher mercaptan in hydrtreated heavy gasoline,off-specification of mixed hydrotreated gasoline in doctor test,coke deposition on top of hydrotreating reactor,rising pressure drop of reactor and shorter operating cycle.The root causes of the problems are analyzed and countermeasures are recommended.

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What this paper is about

Based upon the operation of FCC gasoline hydrotreating units in China,the problems encountered in the engineering of FCC gasoline hydrotreating process are described such as great loss of gasoline octane number,higher mercaptan in hydrtreated heavy gasoline,off-specification of mixed hydrotreated gasoline in doctor test,coke deposition on top of hydrotreating reactor,rising pressure drop of reactor and shorter operating cycle.The root causes of the problems are analyzed and countermeasures are recommended.

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Available abstract

Based upon the operation of FCC gasoline hydrotreating units in China,the problems encountered in the engineering of FCC gasoline hydrotreating process are described such as great loss of gasoline octane number,higher mercaptan in hydrtreated heavy gasoline,off-specification of mixed hydrotreated gasoline in doctor test,coke deposition on top of hydrotreating reactor,rising pressure drop of reactor and shorter operating cycle.The root causes of the problems are analyzed and countermeasures are recommended.

Key concepts: Hydrodesulfurization, Gasoline, Octane rating, Waste management, Fluid catalytic cracking, Petroleum, Environmental science, Engineering

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