METHOD FOR PRODUCTION OF HIGH-INDEX AND WAXY EXTRACT
FIELD: petroleum processing. SUBSTANCE: lube fractions are deparaffinated according to integrated three-step filtration, third-step filtrate being withdrawn in the form of a separate stream and second-step filtrate returned into the beginning of process. Deparaffinated oil is subjected to extraction...
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| creator | NIGMATULLIN V.R ZOLOTAREV P.A NIGMATULLIN R.G KALIMULLIN M.M SAJFULLIN N.R |
| description | FIELD: petroleum processing. SUBSTANCE: lube fractions are deparaffinated according to integrated three-step filtration, third-step filtrate being withdrawn in the form of a separate stream and second-step filtrate returned into the beginning of process. Deparaffinated oil is subjected to extraction by N- methylpyrrolidone. Process gives oils with pour point below -15 C and waxy extract with pour point below -25 C. EFFECT: increased yield of oils with viscosity index above 100 and enabled production of waxy extract. 10 tbl, 5 ex |
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SUBSTANCE: lube fractions are deparaffinated according to integrated three-step filtration, third-step filtrate being withdrawn in the form of a separate stream and second-step filtrate returned into the beginning of process. Deparaffinated oil is subjected to extraction by N- methylpyrrolidone. Process gives oils with pour point below -15 C and waxy extract with pour point below -25 C. EFFECT: increased yield of oils with viscosity index above 100 and enabled production of waxy extract. 10 tbl, 5 ex</description><edition>7</edition><language>eng</language><subject>CHEMISTRY ; CRACKING HYDROCARBON OILS ; FUELS ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES ; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS ; REFORMING OF NAPHTHA ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>2003</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030210&DB=EPODOC&CC=RU&NR=2198201C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030210&DB=EPODOC&CC=RU&NR=2198201C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NIGMATULLIN V.R</creatorcontrib><creatorcontrib>ZOLOTAREV P.A</creatorcontrib><creatorcontrib>NIGMATULLIN R.G</creatorcontrib><creatorcontrib>KALIMULLIN M.M</creatorcontrib><creatorcontrib>SAJFULLIN N.R</creatorcontrib><title>METHOD FOR PRODUCTION OF HIGH-INDEX AND WAXY EXTRACT</title><description>FIELD: petroleum processing. SUBSTANCE: lube fractions are deparaffinated according to integrated three-step filtration, third-step filtrate being withdrawn in the form of a separate stream and second-step filtrate returned into the beginning of process. Deparaffinated oil is subjected to extraction by N- methylpyrrolidone. Process gives oils with pour point below -15 C and waxy extract with pour point below -25 C. 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SUBSTANCE: lube fractions are deparaffinated according to integrated three-step filtration, third-step filtrate being withdrawn in the form of a separate stream and second-step filtrate returned into the beginning of process. Deparaffinated oil is subjected to extraction by N- methylpyrrolidone. Process gives oils with pour point below -15 C and waxy extract with pour point below -25 C. EFFECT: increased yield of oils with viscosity index above 100 and enabled production of waxy extract. 10 tbl, 5 ex</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | METHOD FOR PRODUCTION OF HIGH-INDEX AND WAXY EXTRACT |
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