MECHANICAL WALL-TREATMENT METHOD THAT REDUCES COKE FORMATION, AND HYDROCARBON TREATMENT METHOD

The invention relates to a process for the treatment of a wall made of Fe-Ni-Cr metal alloy of an industrial reactor which reduces the formation of coke on the said wall when it is subjected to operational conditions favourable to coking, the metal alloy comprising, within its structure, carbides, s...

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Bibliographische Detailangaben
Hauptverfasser:	CAZOTTES, Sophie, VACHÉ, Nicolas, DURET THUAL, Claude, STEYER, Philippe, AUGUSTIN, Christel, DUPOIRON, François
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL APPARATUS THEREFOR CHEMISTRY CRACKING HYDROCARBON OILS ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FUELS GRINDING LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES POLISHING PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS 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 TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a process for the treatment of a wall made of Fe-Ni-Cr metal alloy of an industrial reactor which reduces the formation of coke on the said wall when it is subjected to operational conditions favourable to coking, the metal alloy comprising, within its structure, carbides, some of which show on the surface. The process comprises a mechanical stage of impact surface treatment, during which a surface of the wall is hammered by projection of particles under conditions suitable for obtaining covering of the carbides initially present at the surface by permanent plastic deformation of the surface, in particular of the chromium carbides.