PRODUCTION OF NAPHTHENIC LUBRICANT BASE OIL

PURPOSE:To obtain a naphthenic lubricant base oil having a high viscosity- pressure coefficient, a low viscosity and a low flow point at a low cost by specifically treating a tar or heavy oil obtd. by the quick thermal decomposition of coal. CONSTITUTION:A tar or heavy oil obtd. by the quick thermal...

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Bibliographische Detailangaben
1. Verfasser:	HOTTA ZENJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CRACKING HYDROCARBON OILS FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS 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 USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a naphthenic lubricant base oil having a high viscosity- pressure coefficient, a low viscosity and a low flow point at a low cost by specifically treating a tar or heavy oil obtd. by the quick thermal decomposition of coal. CONSTITUTION:A tar or heavy oil obtd. by the quick thermal decomposition of coal (e.g. subbituminous coal) pref. at 800 deg.C or lower is subjected to nuclear hydrogenation pref. after being refined by hydrogenation.