Fixed bed reactor assembly having a guard catalyst bed
A method, and a reactor, for hydroprocessing a hydrocarbon feed stream through multistage fixed catalyst beds contained within a single onstream reactor vessel, with a separate catalyst addition and a separate catalyst withdrawal system for the upper or top essentially fixed catalyst bed. The upper...
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| creator | CASH DENNIS R TRIMBLE HAROLD J |
| description | A method, and a reactor, for hydroprocessing a hydrocarbon feed stream through multistage fixed catalyst beds contained within a single onstream reactor vessel, with a separate catalyst addition and a separate catalyst withdrawal system for the upper or top essentially fixed catalyst bed. The upper or top essentially fixed catalyst bed functions as a guard catalyst bed for removing a major proportion of contaminants (e.g. organometallic constituents) from a hydrocarbon feed stream in order to extend the life of one or more fixed catalyst beds serially disposed underneath the upper or top essentially fixed catalyst bed. Catalyst particles are withdrawn from the essentially fixed catalyst bed by slurrying or liquifying the catalyst particles in a container disposed within the reactor. A method for retrofitting a reactor assembly having two or more fixed catalyst beds in order to place a guard catalyst bed in the upper or top portion of the reactor assembly. |
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The upper or top essentially fixed catalyst bed functions as a guard catalyst bed for removing a major proportion of contaminants (e.g. organometallic constituents) from a hydrocarbon feed stream in order to extend the life of one or more fixed catalyst beds serially disposed underneath the upper or top essentially fixed catalyst bed. Catalyst particles are withdrawn from the essentially fixed catalyst bed by slurrying or liquifying the catalyst particles in a container disposed within the reactor. A method for retrofitting a reactor assembly having two or more fixed catalyst beds in order to place a guard catalyst bed in the upper or top portion of the reactor assembly.</description><edition>6</edition><language>eng</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; CRACKING HYDROCARBON OILS ; FUELS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; PEAT ; PERFORMING OPERATIONS ; PETROLEUM, GAS OR COKE INDUSTRIES ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; 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 ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1999</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=19990309&DB=EPODOC&CC=US&NR=5879642A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990309&DB=EPODOC&CC=US&NR=5879642A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CASH; DENNIS R</creatorcontrib><creatorcontrib>TRIMBLE; HAROLD J</creatorcontrib><title>Fixed bed reactor assembly having a guard catalyst bed</title><description>A method, and a reactor, for hydroprocessing a hydrocarbon feed stream through multistage fixed catalyst beds contained within a single onstream reactor vessel, with a separate catalyst addition and a separate catalyst withdrawal system for the upper or top essentially fixed catalyst bed. 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| language | eng |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FUELS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL 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 TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Fixed bed reactor assembly having a guard catalyst bed |
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