A PROCESS FOR PREPARING PROPYLENE OXIDE
The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprisin...
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| creator | MUELLER, CHRISTIAN MUELLER, ULRICH URBANCZYK, DANIEL KELLER, TOBIAS PARVULESCU, ANDREI-NICOLAE WITZL, WERNER KRAMP, MARVIN SCHELLING, HEINER LUECKE, KARSTEN METZEN, BERND RIEDEL, DOMINIC WEGERLE, ULRIKE WOERZ, NICOLAI TONIO WEIDENBACH, MEINOLF TELES, JOAQUIM HENRIQUE WEBER, MARKUS |
| description | The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream S0 enriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream S01 enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream S0 to an upper part of the distillation unit. |
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MUELLER, ULRICH ; URBANCZYK, DANIEL ; KELLER, TOBIAS ; PARVULESCU, ANDREI-NICOLAE ; WITZL, WERNER ; KRAMP, MARVIN ; SCHELLING, HEINER ; LUECKE, KARSTEN ; METZEN, BERND ; RIEDEL, DOMINIC ; WEGERLE, ULRIKE ; WOERZ, NICOLAI TONIO ; WEIDENBACH, MEINOLF ; TELES, JOAQUIM HENRIQUE ; WEBER, MARKUS</creatorcontrib><description>The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream S0 enriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream S01 enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream S0 to an upper part of the distillation unit.</description><language>eng ; pol</language><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2021</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=20210406&DB=EPODOC&CC=PL&NR=3487844T3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210406&DB=EPODOC&CC=PL&NR=3487844T3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MUELLER, CHRISTIAN</creatorcontrib><creatorcontrib>MUELLER, ULRICH</creatorcontrib><creatorcontrib>URBANCZYK, DANIEL</creatorcontrib><creatorcontrib>KELLER, TOBIAS</creatorcontrib><creatorcontrib>PARVULESCU, ANDREI-NICOLAE</creatorcontrib><creatorcontrib>WITZL, WERNER</creatorcontrib><creatorcontrib>KRAMP, MARVIN</creatorcontrib><creatorcontrib>SCHELLING, HEINER</creatorcontrib><creatorcontrib>LUECKE, KARSTEN</creatorcontrib><creatorcontrib>METZEN, BERND</creatorcontrib><creatorcontrib>RIEDEL, DOMINIC</creatorcontrib><creatorcontrib>WEGERLE, ULRIKE</creatorcontrib><creatorcontrib>WOERZ, NICOLAI TONIO</creatorcontrib><creatorcontrib>WEIDENBACH, MEINOLF</creatorcontrib><creatorcontrib>TELES, JOAQUIM HENRIQUE</creatorcontrib><creatorcontrib>WEBER, MARKUS</creatorcontrib><title>A PROCESS FOR PREPARING PROPYLENE OXIDE</title><description>The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream S0 enriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream S01 enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream S0 to an upper part of the distillation unit.</description><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB3VAgI8nd2DQ5WcPMPArJdAxyDPP3cQaIBkT6ufq4K_hGeLq48DKxpiTnFqbxQmptB0c01xNlDN7UgPz61uCAxOTUvtSQ-wMfYxMLcwsQkJMTYmBg1APLRJGo</recordid><startdate>20210406</startdate><enddate>20210406</enddate><creator>MUELLER, CHRISTIAN</creator><creator>MUELLER, ULRICH</creator><creator>URBANCZYK, DANIEL</creator><creator>KELLER, TOBIAS</creator><creator>PARVULESCU, ANDREI-NICOLAE</creator><creator>WITZL, WERNER</creator><creator>KRAMP, MARVIN</creator><creator>SCHELLING, HEINER</creator><creator>LUECKE, KARSTEN</creator><creator>METZEN, BERND</creator><creator>RIEDEL, DOMINIC</creator><creator>WEGERLE, ULRIKE</creator><creator>WOERZ, NICOLAI TONIO</creator><creator>WEIDENBACH, MEINOLF</creator><creator>TELES, JOAQUIM HENRIQUE</creator><creator>WEBER, MARKUS</creator><scope>EVB</scope></search><sort><creationdate>20210406</creationdate><title>A PROCESS FOR PREPARING PROPYLENE OXIDE</title><author>MUELLER, CHRISTIAN ; 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(ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream S0 enriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream S01 enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream S0 to an upper part of the distillation unit.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | A PROCESS FOR PREPARING PROPYLENE OXIDE |
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