Combined process and industrial application, residue hydrodesulfurization-residue catalytic cracking combined process residue hydrodesulfurization tail oil is used as the feedstock for residue catalytic cracking, which improves the feedstock composition of catalytic cracking (increases the ratio of hydrogen to carbon, and removes Impurities), which greatly improves the processing depth, greatly improves the yield of light oil, reduces the sulfur content of catalytic gasoline, and improves the economic benefits of the refinery. Maoming Petrochemical Company uses this process to process a blend of Arabian light crude oil and Arabian heavy crude oil.
Wax oil hydrodesulfurization-wax oil catalytic cracking combined process This combined process is mainly used in refineries that process sour crude oil or high-sulfur crude oil. After wax oil hydrodesulfurization is used as a catalytic cracking feedstock, the sulfur content in the catalytic cracking flue gas can be increased. Meets environmental protection requirements, and gasoline sulfur content meets standard requirements. Dalian West Pacific Petrochemical Company uses this process to process Iranian light crude oil.
The use of heavy oil catalytic cracking gasoline MCSP deodorization technology to successfully transform the raw liquid and liquid extraction oxidation refining system has been successful. The transformation investment is small, the construction time is short, and the processing capacity is greatly improved. The actual production index exceeds the design value. Heavy oil catalytic cracking gasoline MCSP deodorization device has the characteristics of long operation cycle of catalyst bed, simple operation, stable quality of refined gasoline products, good refining effect, high qualified rate of refined oil doctor test, and no alkali residue emissions. The second-generation active agent has high activity and small addition amount, has a cleaning effect on the deodorization bed, and prolongs the operation period of the catalyst bed. The use of heavy oil catalytic cracking gasoline MCSP deodorization technology greatly reduces alkali consumption, reduces costs and reduces environmental pollution, and has certain economic and social benefits.
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