Process for the continuous production of petroleum-derived pitch

A process for the continuous production of petroleum-derived pitch comprising the steps of subjecting a heavy fraction boiling at not lower than 150 DEG C., the heavy fraction being obtained by the steam cracking of petroleum-derived hydrocarbons, to a specified first-step heat treatment, subjecting...

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Bibliographische Detailangaben
Hauptverfasser:	TAKASHIMA, HIROAKI, HIROSE, TAKAO, KATO, OSAMU, NAGI, MINORU, YAMAMOTO, SYUNICHI, UEMURA, SEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	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 PYROLIGNEOUS ACID RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE WORKING-UP PITCH, ASPHALT, BITUMEN, TAR
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Beschreibung
Zusammenfassung:	A process for the continuous production of petroleum-derived pitch comprising the steps of subjecting a heavy fraction boiling at not lower than 150 DEG C., the heavy fraction being obtained by the steam cracking of petroleum-derived hydrocarbons, to a specified first-step heat treatment, subjecting the first-step treated fraction to a specified second-step heat treatment and then removing the light fraction from the second-step treated fraction thereby to obtain the petroleum-derived pitch.