FIELD: oil processing industry. SUBSTANCE: hydrogen sulfide-containing crude oil is prepared for transportation by way of multistep separation process. Into final separation step, 5-20 cu.m of blowing-off separation gas is fed at 30-70 C, the gas having been set free from hydrogen sulfide via the air oxygen catalytic oxidation at hydrogen sulfide to oxygen ratio 1: (0.55-0.60) with subsequent sulfur removal from reaction gas. EFFECT: improved commercial quality of crude oil and environmental condition. 1 tbl, 1 dwg
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