| 摘要 |
crude oil treatment. SUBSTANCE: composition contains, wt.%: glycol-based ethylene oxide/propylene oxide block copolymer, 10-40; glycerol-based ethylene oxide/propylene oxide block copolymer with 1-50 ethylene oxide units and 50-130 propylene oxide units, 20-50; polyether- tolylenediisocyanate interaction product, 5-15; and solvent, the balance. Residual level of water in treated oil is about 0.20 wt.% and that of salts 15-20 mg/l. EFFECT: enhanced dehydration and desalting activity and achieved deposit protection. 2 tbl, 17 ex
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