Process for the separation of glycols
The invention provides a process for the separation of MEG and 1,2-BDO from a first mixture comprising MEG and 1,2-BDO in a first solvent by the steps of: (i) combining said first mixture with a second solvent stream comprising a second solvent in a first extraction column; (ii) recovering (a) a sec...
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| creator | Veldhuizen, Dorien Fischer, Kai Jürgen De Villiers, Waldo Eugene Huizenga, Pieter Bus, Karin |
| description | The invention provides a process for the separation of MEG and 1,2-BDO from a first mixture comprising MEG and 1,2-BDO in a first solvent by the steps of: (i) combining said first mixture with a second solvent stream comprising a second solvent in a first extraction column; (ii) recovering (a) a second mixture of MEG and 1,2-BDO in the second solvent, wherein the molar ratio of MEG:1,2-BDO is lower in the second mixture than in the first mixture; and (b) a solution comprising MEG in the first solvent; (iii) combining said second mixture with a first washing stream, said first washing stream also comprising the first solvent in a second extraction column; (iv) recovering (c) a first extract stream comprising the second solvent and 1,2-BDO and (d) a third mixture comprising MEG and, optionally, 1,2-BDO in the first solvent. |
| format | Patent |
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(ii) recovering (a) a second mixture of MEG and 1,2-BDO in the second solvent, wherein the molar ratio of MEG:1,2-BDO is lower in the second mixture than in the first mixture; and (b) a solution comprising MEG in the first solvent; (iii) combining said second mixture with a first washing stream, said first washing stream also comprising the first solvent in a second extraction column; (iv) recovering (c) a first extract stream comprising the second solvent and 1,2-BDO and (d) a third mixture comprising MEG and, optionally, 1,2-BDO in the first solvent.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; TRANSPORTING</subject><creationdate>2018</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=20180731&DB=EPODOC&CC=US&NR=10035744B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180731&DB=EPODOC&CC=US&NR=10035744B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Veldhuizen, Dorien</creatorcontrib><creatorcontrib>Fischer, Kai Jürgen</creatorcontrib><creatorcontrib>De Villiers, Waldo Eugene</creatorcontrib><creatorcontrib>Huizenga, Pieter</creatorcontrib><creatorcontrib>Bus, Karin</creatorcontrib><title>Process for the separation of glycols</title><description>The invention provides a process for the separation of MEG and 1,2-BDO from a first mixture comprising MEG and 1,2-BDO in a first solvent by the steps of: (i) combining said first mixture with a second solvent stream comprising a second solvent in a first extraction column; (ii) recovering (a) a second mixture of MEG and 1,2-BDO in the second solvent, wherein the molar ratio of MEG:1,2-BDO is lower in the second mixture than in the first mixture; and (b) a solution comprising MEG in the first solvent; (iii) combining said second mixture with a first washing stream, said first washing stream also comprising the first solvent in a second extraction column; (iv) recovering (c) a first extract stream comprising the second solvent and 1,2-BDO and (d) a third mixture comprising MEG and, optionally, 1,2-BDO in the first solvent.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMISTRY</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>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFANKMpPTi0uVkjLL1IoyUhVKE4tSCxKLMnMz1PIT1NIz6lMzs8p5mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhgYGxqbmJiZORsbEqAEAPMQnPw</recordid><startdate>20180731</startdate><enddate>20180731</enddate><creator>Veldhuizen, Dorien</creator><creator>Fischer, Kai Jürgen</creator><creator>De Villiers, Waldo Eugene</creator><creator>Huizenga, Pieter</creator><creator>Bus, Karin</creator><scope>EVB</scope></search><sort><creationdate>20180731</creationdate><title>Process for the separation of glycols</title><author>Veldhuizen, Dorien ; Fischer, Kai Jürgen ; De Villiers, Waldo Eugene ; Huizenga, Pieter ; Bus, Karin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10035744B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Veldhuizen, Dorien</creatorcontrib><creatorcontrib>Fischer, Kai Jürgen</creatorcontrib><creatorcontrib>De Villiers, Waldo Eugene</creatorcontrib><creatorcontrib>Huizenga, Pieter</creatorcontrib><creatorcontrib>Bus, Karin</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Veldhuizen, Dorien</au><au>Fischer, Kai Jürgen</au><au>De Villiers, Waldo Eugene</au><au>Huizenga, Pieter</au><au>Bus, Karin</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for the separation of glycols</title><date>2018-07-31</date><risdate>2018</risdate><abstract>The invention provides a process for the separation of MEG and 1,2-BDO from a first mixture comprising MEG and 1,2-BDO in a first solvent by the steps of: (i) combining said first mixture with a second solvent stream comprising a second solvent in a first extraction column; (ii) recovering (a) a second mixture of MEG and 1,2-BDO in the second solvent, wherein the molar ratio of MEG:1,2-BDO is lower in the second mixture than in the first mixture; and (b) a solution comprising MEG in the first solvent; (iii) combining said second mixture with a first washing stream, said first washing stream also comprising the first solvent in a second extraction column; (iv) recovering (c) a first extract stream comprising the second solvent and 1,2-BDO and (d) a third mixture comprising MEG and, optionally, 1,2-BDO in the first solvent.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING |
| title | Process for the separation of glycols |
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