PROCESS OF SELECTIVE HYDROGENATION OF ACETYLENE HYDROCARBONS IN OLEFIN-RICH GAS MIXTURES
FIELD: petrochemical processes. ^ SUBSTANCE: invention relates to hydrogenation of acetylene hydrocarbons in olefin-rich gas mixtures on heterogeneous catalysts. Hydrogen and olefin containing stream with admixtures of acetylene hydrocarbons is passed through catalyst bed, which is composed of (a) g...
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| creator | BAL'ZHINIMAEV BAIR SADYPOVICH ZAGORUJKO ANDREJ NIKOLAEVICH PAUKSHTIS EVGENIJ ALEKSANDROVICH SIMONOVA LJUDMILA GRIGOR'EVNA |
| description | FIELD: petrochemical processes. ^ SUBSTANCE: invention relates to hydrogenation of acetylene hydrocarbons in olefin-rich gas mixtures on heterogeneous catalysts. Hydrogen and olefin containing stream with admixtures of acetylene hydrocarbons is passed through catalyst bed, which is composed of (a) geometrically structured system including fibers of high-silica fibrous carrier characterized by presence in IR specter of hydroxyl group absorption band having wavelength upsilon=3620-3650 cm-1 and half-width 65-75 cm-1, having specific surface SAr=0.5-30 m2/g as measured by BET method from thermal desorption of argon, surface area SNa=5-150 m2/g as measured by alkali titration method, at ratio SNa/SAr=5-50; and (b) active element. Active element is made in the form of charged either metallic or bimetallic clusters characterized in diffuse-reflection UV-Vis specter by specific bands in region 34000-42000 cm-1 and ratio of (i) integral intensiveness of the band related to charged either metallic or bimetallic clusters to (ii) integral intensiveness of the band related, respectively, either to metallic or bimetallic particles is at least 1.0. ^ EFFECT: increased activity and selectivity of process at high ethylene/acetylene ratios. ^ 5 cl, 1 dwg, 3 tbl |
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Hydrogen and olefin containing stream with admixtures of acetylene hydrocarbons is passed through catalyst bed, which is composed of (a) geometrically structured system including fibers of high-silica fibrous carrier characterized by presence in IR specter of hydroxyl group absorption band having wavelength upsilon=3620-3650 cm-1 and half-width 65-75 cm-1, having specific surface SAr=0.5-30 m2/g as measured by BET method from thermal desorption of argon, surface area SNa=5-150 m2/g as measured by alkali titration method, at ratio SNa/SAr=5-50; and (b) active element. Active element is made in the form of charged either metallic or bimetallic clusters characterized in diffuse-reflection UV-Vis specter by specific bands in region 34000-42000 cm-1 and ratio of (i) integral intensiveness of the band related to charged either metallic or bimetallic clusters to (ii) integral intensiveness of the band related, respectively, either to metallic or bimetallic particles is at least 1.0. ^ EFFECT: increased activity and selectivity of process at high ethylene/acetylene ratios. ^ 5 cl, 1 dwg, 3 tbl</description><language>eng ; rus</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2006</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=20061220&DB=EPODOC&CC=RU&NR=2289565C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20061220&DB=EPODOC&CC=RU&NR=2289565C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BAL'ZHINIMAEV BAIR SADYPOVICH</creatorcontrib><creatorcontrib>ZAGORUJKO ANDREJ NIKOLAEVICH</creatorcontrib><creatorcontrib>PAUKSHTIS EVGENIJ ALEKSANDROVICH</creatorcontrib><creatorcontrib>SIMONOVA LJUDMILA GRIGOR'EVNA</creatorcontrib><title>PROCESS OF SELECTIVE HYDROGENATION OF ACETYLENE HYDROCARBONS IN OLEFIN-RICH GAS MIXTURES</title><description>FIELD: petrochemical processes. ^ SUBSTANCE: invention relates to hydrogenation of acetylene hydrocarbons in olefin-rich gas mixtures on heterogeneous catalysts. 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Hydrogen and olefin containing stream with admixtures of acetylene hydrocarbons is passed through catalyst bed, which is composed of (a) geometrically structured system including fibers of high-silica fibrous carrier characterized by presence in IR specter of hydroxyl group absorption band having wavelength upsilon=3620-3650 cm-1 and half-width 65-75 cm-1, having specific surface SAr=0.5-30 m2/g as measured by BET method from thermal desorption of argon, surface area SNa=5-150 m2/g as measured by alkali titration method, at ratio SNa/SAr=5-50; and (b) active element. Active element is made in the form of charged either metallic or bimetallic clusters characterized in diffuse-reflection UV-Vis specter by specific bands in region 34000-42000 cm-1 and ratio of (i) integral intensiveness of the band related to charged either metallic or bimetallic clusters to (ii) integral intensiveness of the band related, respectively, either to metallic or bimetallic particles is at least 1.0. ^ EFFECT: increased activity and selectivity of process at high ethylene/acetylene ratios. ^ 5 cl, 1 dwg, 3 tbl</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PROCESS OF SELECTIVE HYDROGENATION OF ACETYLENE HYDROCARBONS IN OLEFIN-RICH GAS MIXTURES |
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