PROCESS FOR STEAM CRACKING HYDROCARBONS

A steam cracking process for converting hydrocarbons into smaller hydrocarbons, particularly olefins, in a tube reactor comprising a convection section, a cross-over section, and a radiant section. The process includes heating the fluid mixture inside the tube to a temperature at the end of the conv...

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Bibliographische Detailangaben
Hauptverfasser:	SPICER, David, B, JANDA, Gary, F
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES ORGANIC CHEMISTRY 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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Beschreibung
Zusammenfassung:	A steam cracking process for converting hydrocarbons into smaller hydrocarbons, particularly olefins, in a tube reactor comprising a convection section, a cross-over section, and a radiant section. The process includes heating the fluid mixture inside the tube to a temperature at the end of the convection section where significant cracking occurs in the cross-over section. The high convection section and cross-over section temperatures allow for lower tube wall temperature in the radiant section resulting in less coke deposition on the inner wall of the tube, and hence extended run-lengths between adjacent decoking sessions.