METHOD OF WAX HYDROCRACKING

ACCORDING TO THE WAX HYDROCRACKING METHOD OF THE INVENTION, A FIRST HYDROCRACKING CATALYST LAYER IS PROVIDED UPSTREAM OF A FIXED BED REACTOR AND A SECOND HYDROCRACKING CATALYST LAYER IS PROVIDED DOWNSTREAM OF THE FIXED BED REACTOR, RESPECTIVELY, SO THAT THE CONDITION EXPRESSED BY THE FOLLOWING EQUAT...

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Hauptverfasser:	SEKI, HIROYUKI, KONNO, HIROFUMI
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 RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Zusammenfassung:	ACCORDING TO THE WAX HYDROCRACKING METHOD OF THE INVENTION, A FIRST HYDROCRACKING CATALYST LAYER IS PROVIDED UPSTREAM OF A FIXED BED REACTOR AND A SECOND HYDROCRACKING CATALYST LAYER IS PROVIDED DOWNSTREAM OF THE FIXED BED REACTOR, RESPECTIVELY, SO THAT THE CONDITION EXPRESSED BY THE FOLLOWING EQUATION (1) IS SATISFIED; HYDROGEN AND WAX ARE MADE TO FLOW THROUGH THE FIRST HYDROCRACKING CATALYST LAYER, AND HYDROGEN IS RE-ADDED TO THE DECOMPOSITION PRODUCT FROM THE FIRST HYDROCRACKING CATALYST LAYER FURTHER UPSTREAM THAN THE UPSTREAM END THE SECOND HYDROCRACKING CATALYST LAYER, AND A MIXTURE CONTAINING THE DECOMPOSITION PRODUCT AND RE-ADDED HYDROGEN IS MADE TO FLOW THROUGH THE SECOND HYDROCRACKING CATALYST LAYER: D1/(D1+D2) >1/3 (1) WHEREIN D1 IS THE DISTANCE FROM THE UPSTREAM END TO THE DOWNSTREAM END OF THE FIRST HYDROCRACKING CATALYST LAYER, AND D2 IS THE DISTANCE FROM THE UPSTREAM END TO THE DOWNSTREAM END OF THE SECOND HYDROCRACKING