Efficient coupling hydro-upgrading method for producing gasoline with ultra-low sulfur and high octane number
A high-octane gasoline, hydrogenation and upgrading technology, applied in the fields of hydrotreating process, petroleum industry, hydrocarbon oil treatment, etc., can solve the problems of catalyst strength reduction, high processing cost, unsatisfactory catalyst stability, etc., to achieve Effect of improving octane number and avoiding octane number loss
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Embodiment 1
[0054] In this embodiment, the sulfur content is 1250 μg g -1 , 42.7v% ultra-high-sulfur, high-olefin low-quality full-cut FCC gasoline (full-cut feedstock 1) with an olefin content of 42.7v% was subjected to hydroreforming treatment.
[0055] Wherein, the composition ratio of various catalysts is as follows, respectively based on the total weight of each catalyst:
[0056] Hydroselective sweetening catalyst: 15wt% NiO-5wt% CoO-2wt% K 2 O / 50wt%HZSM-5-28wt%Al 2 o 3 -SiO 2 ;
[0057] Hydrocarbon multi-branched isomerization catalyst: 6wt% MoO 3 -3wt%NiO-3wt%CoO-2wt%B 2 o 3 / 62wt%SAPO-11-20wt%Al 2 o 3 -4wt%TiO 2 ;
[0058] Selective Hydrodesulfurization Catalyst: 12wt% MoO 3 -3wt%CoO-3wt%K 2 O-2wt%P 2 o 5 / 68wt%Al 2 o 3 -6wt%TiO 2 - 3wt% MgO - 3wt% ZnO;
[0059] Supplementary Desulfurization-Hydrocarbon Isomerization / Aromatization Catalyst: 6wt% MoO 3 -3wt%CoO-3wt%NiO-2wt%B 2 o 3 / 50wt%HZSM-5-20wt%SAPO-11-16wt%Al 2 o 3 .
[0060] The specific preparation ...
Embodiment 2
[0093] This example provides a sulfur content of 2210μg.g -1 Hydro-upgrading effect of ultra-high-sulfur, high-olefin inferior full-cut FCC gasoline (full-cut feedstock 2) with a hydrocarbon content of 51.3 v%.
[0094] Wherein, the composition ratio of various catalysts is as follows, respectively based on the total weight of each catalyst:
[0095] Hydroselective sweetening catalyst: 15wt% NiO-6wt% ZnO-3wt% K 2 O / 50wt%ZSM-5-26wt%Al 2 o 3 -SiO 2 ;
[0096] Hydrocarbon multi-branched isomerization catalyst: 6wt% MoO 3 -3wt%NiO-3wt%CoO-3wt%B 2 o 3 / 55wt%SAPO-11-25wt%Al 2 o 3 -5wt%TiO 2 ;
[0097] Selective Hydrodesulfurization Catalyst: 12wt% MoO 3 -2wt%CoO-2wt%K 2 O-2wt%P 2 o 5 / 70wt%Al 2 o 3 -6wt%TiO 2 - 3wt% MgO - 3wt% ZnO;
[0098] Supplementary Desulfurization-Hydrocarbon Isomerization / Aromatization Catalyst: 4wt% MoO 3 -3wt%CoO-3wt%NiO-3wt%B 2 o 3 / 55wt%ZSM-5-25wt%SAPO-11-7wt%Al 2 o 3 .
[0099] The preparation method of above-mentioned catalyst i...
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