Abstract
Comparative data on the effectiveness of various process conditions in hydrotreating cat cracker feed, with due regard for the hydrogen consumption, was presented. Vacuum oil from West Siberian crude was hydrotreated at a pressure of 5 MPa, circulation ratio of 400 m/sup 3//m/sup 3/, hydrogen concentration in gas 80%, Al-Co-Mo catalyst; runs were made at different temperatures and feedstock space velocities. The product yield obtained in catalytic cracking of the feed is shown. Data shows that the lowest costs are obtained when the heavy aromatic compounds are removed from the feed down to a level of 10-20% by weight.
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