INHIBITION OF COKE FORMATION DURING VAPORIZATION OF HEAVY HYDROCARBONS
An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins, wherein such feedstock is preheated, in one or more stages, in the convection section of a tubular steam cracking furnace, characterized...
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| creator | CHIEN, JO-LUNG FERNANDEZ-BAUJIN, JORGE, M SUNDARAM, KANDASAMY, M |
| description | An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins, wherein such feedstock is preheated, in one or more stages, in the convection section of a tubular steam cracking furnace, characterized by conducting the preheating in the presence of a small amount of hydrogen, preferably at a hydrogen/feed ratio of from about 0.01 to about 0.15 wt. %, so as to inhibit coke formation. |
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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</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930310&DB=EPODOC&CC=EP&NR=0397853B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930310&DB=EPODOC&CC=EP&NR=0397853B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHIEN, JO-LUNG</creatorcontrib><creatorcontrib>FERNANDEZ-BAUJIN, JORGE, M</creatorcontrib><creatorcontrib>SUNDARAM, KANDASAMY, M</creatorcontrib><title>INHIBITION OF COKE FORMATION DURING VAPORIZATION OF HEAVY HYDROCARBONS</title><description>An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins, wherein such feedstock is preheated, in one or more stages, in the convection section of a tubular steam cracking furnace, characterized by conducting the preheating in the presence of a small amount of hydrogen, preferably at a hydrogen/feed ratio of from about 0.01 to about 0.15 wt. %, so as to inhibit coke formation.</description><subject>CHEMISTRY</subject><subject>CRACKING HYDROCARBON OILS</subject><subject>FUELS</subject><subject>LUBRICANTS</subject><subject>METALLURGY</subject><subject>MINERAL WAXES</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION</subject><subject>RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES</subject><subject>REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS</subject><subject>REFORMING OF NAPHTHA</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDz9PPwdPIM8fT3U_B3U3D293ZVcPMP8nUEi7iEBnn6uSuEOQb4B3lGOcJUebg6hkUqeES6BPk7OwY5-fsF8zCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSSeNcAA2NLcwtTYydDYyKUAAB12iw_</recordid><startdate>19930310</startdate><enddate>19930310</enddate><creator>CHIEN, JO-LUNG</creator><creator>FERNANDEZ-BAUJIN, JORGE, M</creator><creator>SUNDARAM, KANDASAMY, M</creator><scope>EVB</scope></search><sort><creationdate>19930310</creationdate><title>INHIBITION OF COKE FORMATION DURING VAPORIZATION OF HEAVY HYDROCARBONS</title><author>CHIEN, JO-LUNG ; 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| subjects | 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 |
| title | INHIBITION OF COKE FORMATION DURING VAPORIZATION OF HEAVY HYDROCARBONS |
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