FIELD: petrochemical processes. SUBSTANCE: petroleum goudron is oxidized by air oxygen in presence of fine iron-containing catalyst, in particular pellets from concentration plants in amounts 0.5-2.0 wt. % of starting goudron. EFFECT: reduced air feed velocity and consumption of catalyst, and improved adhesion index of product. 1 tbl
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Authors
Dates
2002-01-20—Published
2000-07-04—Filed