FIELD: industry of building materials. SUBSTANCE: heated crude oil with thinner - wood resin - in the amount of 3.0-4.5 % of crude oil is oxidized by blowing with air at 150-165 C for 60-90 min. Resin is introduced into petroleum feedstock immediately after blowing. EFFECT: higher efficiency. 5 dwg, 7 tbl
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Authors
Dates
1995-03-10—Published
1992-02-19—Filed