METHOD OF PRODUCING ACRYLIC ACID FROM ETHANOL AND FORMALDEHYDE
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing acrylic acid from ethanol and formaldehyde, which involves following operations: passing through first reaction zone A stream of incoming reaction gas mixture A, containing reagents - ethanol and molecular oxygen, as well as iner...
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| creator | KHYUTTEN Frank OTTENBAKHER Markus KHERTSOG Shtefani SHEFER Aleksander VENTINK Annebart Engbert ALTVASSER Shtefan |
| description | FIELD: chemistry.SUBSTANCE: invention relates to a method of producing acrylic acid from ethanol and formaldehyde, which involves following operations: passing through first reaction zone A stream of incoming reaction gas mixture A, containing reagents - ethanol and molecular oxygen, as well as inert diluting gas different from water vapour, and when passing through said reaction zone A ethanol under conditions of heterogeneous catalysis is oxidised to acetic acid and water vapour, so that a gaseous mixture of products A, containing acetic acid, water vapour, molecular oxygen, as well as inert diluting gas different from water vapour is formed, and stream of gaseous mixture of products A leaves reaction zone A, wherein to reaction gas mixture A on its path through reaction zone can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, from a stream of gaseous mixture of products A, leaving reaction zone A, and at least one other stream of substances, which contains at least one source of formaldehyde, receiving stream of incoming reaction gas mixture B containing acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and formaldehyde, wherein molar amount of contained acetic acid nis more than contained therein molar amount of formaldehyde n, through second reaction zone B, in which is loaded a catalyst for aldol condensation B, passing stream of incoming reaction gas mixture B, and when-passing said reaction zone B formaldehyde contained in incoming reaction gas mixture supplied B, together with acetic acid contained in incoming reaction gas mixture supplied B, in conditions of heterogeneous catalysis is condensed to acrylic acid and water, to form a gaseous mixture of products B containing acrylic acid, acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and a stream of gaseous mixture of products B leaves reaction zone B, wherein to reaction gas mixture B on its path through reaction zone B can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, stream of gaseous mixture of products B, leaving reaction zone B is fed into separation zone T, and in said separation zone T is divided at least into three streams substances - X, Y and Z, wherein stream of acrylic acid contained in stream of substance X is larger than flow of acrylic acid contained in streams of substances Y and Z, together taken, stream of acetic |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_RU2606623C2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>RU2606623C2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_RU2606623C23</originalsourceid><addsrcrecordid>eNrjZLDzdQ3x8HdR8HdTCAjydwl19vRzV3B0Dor08XQG0p4uCm5B_r4KQEWOfv4-Co5-QAH_IF9HHxdXj0gXVx4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pckJicmpdaEh8UamRmYGZmZOxsZEyEEgDkaimI</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>METHOD OF PRODUCING ACRYLIC ACID FROM ETHANOL AND FORMALDEHYDE</title><source>esp@cenet</source><creator>KHYUTTEN Frank ; OTTENBAKHER Markus ; KHERTSOG Shtefani ; SHEFER Aleksander ; VENTINK Annebart Engbert ; ALTVASSER Shtefan</creator><creatorcontrib>KHYUTTEN Frank ; OTTENBAKHER Markus ; KHERTSOG Shtefani ; SHEFER Aleksander ; VENTINK Annebart Engbert ; ALTVASSER Shtefan</creatorcontrib><description>FIELD: chemistry.SUBSTANCE: invention relates to a method of producing acrylic acid from ethanol and formaldehyde, which involves following operations: passing through first reaction zone A stream of incoming reaction gas mixture A, containing reagents - ethanol and molecular oxygen, as well as inert diluting gas different from water vapour, and when passing through said reaction zone A ethanol under conditions of heterogeneous catalysis is oxidised to acetic acid and water vapour, so that a gaseous mixture of products A, containing acetic acid, water vapour, molecular oxygen, as well as inert diluting gas different from water vapour is formed, and stream of gaseous mixture of products A leaves reaction zone A, wherein to reaction gas mixture A on its path through reaction zone can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, from a stream of gaseous mixture of products A, leaving reaction zone A, and at least one other stream of substances, which contains at least one source of formaldehyde, receiving stream of incoming reaction gas mixture B containing acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and formaldehyde, wherein molar amount of contained acetic acid nis more than contained therein molar amount of formaldehyde n, through second reaction zone B, in which is loaded a catalyst for aldol condensation B, passing stream of incoming reaction gas mixture B, and when-passing said reaction zone B formaldehyde contained in incoming reaction gas mixture supplied B, together with acetic acid contained in incoming reaction gas mixture supplied B, in conditions of heterogeneous catalysis is condensed to acrylic acid and water, to form a gaseous mixture of products B containing acrylic acid, acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and a stream of gaseous mixture of products B leaves reaction zone B, wherein to reaction gas mixture B on its path through reaction zone B can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, stream of gaseous mixture of products B, leaving reaction zone B is fed into separation zone T, and in said separation zone T is divided at least into three streams substances - X, Y and Z, wherein stream of acrylic acid contained in stream of substance X is larger than flow of acrylic acid contained in streams of substances Y and Z, together taken, stream of acetic acid contained in a stream of substances Y is larger than stream of acetic acid contained in streams of substances X and Z, combined, stream of inert gas diluent, differing from water vapour contained in stream of substance Z, is greater than stream of inert gas diluent, different from water vapour contained in streams of substances X and Y, combined, and a stream of substance Y is fed back into reaction zone B and additionally is used for producing incoming reaction gas mixture B.EFFECT: method enables to obtain an end product with high selectivity.21 cl
Изобретение относится к способу получения акриловой кислоты из этанола и формальдегида, который включает следующие операции: через первую реакционную зону А пропускают поток поступающей реакционной газовой смеси А, содержащей реагенты - этанол и молекулярный кислород, а также инертный разбавляющий газ, отличающийся от водяного пара, и при прохождении этой реакционной зоны А этанол в условиях гетерогенного катализа окисляют до уксусной кислоты и водяного пара, так что образуется газообразная смесь продуктов А, содержащая уксусную кислоту, водяной пар, молекулярный кислород, а также инертный разбавляющий газ, отличающийся от водяного пара, и поток газообразной смеси продуктов А покидает реакционную зону А, причем к реакционной газовой смеси А на ее пути через реакционную зону А на выбор может подаваться дополнительный молекулярный кислород и/или дополнительный инертный газ-разбавитель, из потока газообразной смеси продуктов А, покидающего реакционную зону А, и по меньшей мере одного другого потока веществ, который содержит по меньшей мере один источник формальдегида, получают поток поступающей реакционной газовой смеси В, содержащей уксусную кислоту, водяной пар, молекулярный кислород, инертный газ-разбавитель, отличающийся от водяного пара, и формальдегид, в котором содержащееся молярное количество уксусной кислоты nбольше, чем содержащееся в нем молярное количество формальдегида n, через вторую реакционную зону В, в которую загружен катализатор альдольной конденсации В, пропускают поток поступающей реакционной газовой смеси В, и при прохождении этой реакционной зоны В формальдегид, содержащийся в поступающей</description><language>eng ; rus</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</subject><creationdate>2017</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=20170110&DB=EPODOC&CC=RU&NR=2606623C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76292</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170110&DB=EPODOC&CC=RU&NR=2606623C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KHYUTTEN Frank</creatorcontrib><creatorcontrib>OTTENBAKHER Markus</creatorcontrib><creatorcontrib>KHERTSOG Shtefani</creatorcontrib><creatorcontrib>SHEFER Aleksander</creatorcontrib><creatorcontrib>VENTINK Annebart Engbert</creatorcontrib><creatorcontrib>ALTVASSER Shtefan</creatorcontrib><title>METHOD OF PRODUCING ACRYLIC ACID FROM ETHANOL AND FORMALDEHYDE</title><description>FIELD: chemistry.SUBSTANCE: invention relates to a method of producing acrylic acid from ethanol and formaldehyde, which involves following operations: passing through first reaction zone A stream of incoming reaction gas mixture A, containing reagents - ethanol and molecular oxygen, as well as inert diluting gas different from water vapour, and when passing through said reaction zone A ethanol under conditions of heterogeneous catalysis is oxidised to acetic acid and water vapour, so that a gaseous mixture of products A, containing acetic acid, water vapour, molecular oxygen, as well as inert diluting gas different from water vapour is formed, and stream of gaseous mixture of products A leaves reaction zone A, wherein to reaction gas mixture A on its path through reaction zone can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, from a stream of gaseous mixture of products A, leaving reaction zone A, and at least one other stream of substances, which contains at least one source of formaldehyde, receiving stream of incoming reaction gas mixture B containing acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and formaldehyde, wherein molar amount of contained acetic acid nis more than contained therein molar amount of formaldehyde n, through second reaction zone B, in which is loaded a catalyst for aldol condensation B, passing stream of incoming reaction gas mixture B, and when-passing said reaction zone B formaldehyde contained in incoming reaction gas mixture supplied B, together with acetic acid contained in incoming reaction gas mixture supplied B, in conditions of heterogeneous catalysis is condensed to acrylic acid and water, to form a gaseous mixture of products B containing acrylic acid, acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and a stream of gaseous mixture of products B leaves reaction zone B, wherein to reaction gas mixture B on its path through reaction zone B can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, stream of gaseous mixture of products B, leaving reaction zone B is fed into separation zone T, and in said separation zone T is divided at least into three streams substances - X, Y and Z, wherein stream of acrylic acid contained in stream of substance X is larger than flow of acrylic acid contained in streams of substances Y and Z, together taken, stream of acetic acid contained in a stream of substances Y is larger than stream of acetic acid contained in streams of substances X and Z, combined, stream of inert gas diluent, differing from water vapour contained in stream of substance Z, is greater than stream of inert gas diluent, different from water vapour contained in streams of substances X and Y, combined, and a stream of substance Y is fed back into reaction zone B and additionally is used for producing incoming reaction gas mixture B.EFFECT: method enables to obtain an end product with high selectivity.21 cl
Изобретение относится к способу получения акриловой кислоты из этанола и формальдегида, который включает следующие операции: через первую реакционную зону А пропускают поток поступающей реакционной газовой смеси А, содержащей реагенты - этанол и молекулярный кислород, а также инертный разбавляющий газ, отличающийся от водяного пара, и при прохождении этой реакционной зоны А этанол в условиях гетерогенного катализа окисляют до уксусной кислоты и водяного пара, так что образуется газообразная смесь продуктов А, содержащая уксусную кислоту, водяной пар, молекулярный кислород, а также инертный разбавляющий газ, отличающийся от водяного пара, и поток газообразной смеси продуктов А покидает реакционную зону А, причем к реакционной газовой смеси А на ее пути через реакционную зону А на выбор может подаваться дополнительный молекулярный кислород и/или дополнительный инертный газ-разбавитель, из потока газообразной смеси продуктов А, покидающего реакционную зону А, и по меньшей мере одного другого потока веществ, который содержит по меньшей мере один источник формальдегида, получают поток поступающей реакционной газовой смеси В, содержащей уксусную кислоту, водяной пар, молекулярный кислород, инертный газ-разбавитель, отличающийся от водяного пара, и формальдегид, в котором содержащееся молярное количество уксусной кислоты nбольше, чем содержащееся в нем молярное количество формальдегида n, через вторую реакционную зону В, в которую загружен катализатор альдольной конденсации В, пропускают поток поступающей реакционной газовой смеси В, и при прохождении этой реакционной зоны В формальдегид, содержащийся в поступающей</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDzdQ3x8HdR8HdTCAjydwl19vRzV3B0Dor08XQG0p4uCm5B_r4KQEWOfv4-Co5-QAH_IF9HHxdXj0gXVx4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pckJicmpdaEh8UamRmYGZmZOxsZEyEEgDkaimI</recordid><startdate>20170110</startdate><enddate>20170110</enddate><creator>KHYUTTEN Frank</creator><creator>OTTENBAKHER Markus</creator><creator>KHERTSOG Shtefani</creator><creator>SHEFER Aleksander</creator><creator>VENTINK Annebart Engbert</creator><creator>ALTVASSER Shtefan</creator><scope>EVB</scope></search><sort><creationdate>20170110</creationdate><title>METHOD OF PRODUCING ACRYLIC ACID FROM ETHANOL AND FORMALDEHYDE</title><author>KHYUTTEN Frank ; OTTENBAKHER Markus ; KHERTSOG Shtefani ; SHEFER Aleksander ; VENTINK Annebart Engbert ; ALTVASSER Shtefan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2606623C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2017</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>KHYUTTEN Frank</creatorcontrib><creatorcontrib>OTTENBAKHER Markus</creatorcontrib><creatorcontrib>KHERTSOG Shtefani</creatorcontrib><creatorcontrib>SHEFER Aleksander</creatorcontrib><creatorcontrib>VENTINK Annebart Engbert</creatorcontrib><creatorcontrib>ALTVASSER Shtefan</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KHYUTTEN Frank</au><au>OTTENBAKHER Markus</au><au>KHERTSOG Shtefani</au><au>SHEFER Aleksander</au><au>VENTINK Annebart Engbert</au><au>ALTVASSER Shtefan</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF PRODUCING ACRYLIC ACID FROM ETHANOL AND FORMALDEHYDE</title><date>2017-01-10</date><risdate>2017</risdate><abstract>FIELD: chemistry.SUBSTANCE: invention relates to a method of producing acrylic acid from ethanol and formaldehyde, which involves following operations: passing through first reaction zone A stream of incoming reaction gas mixture A, containing reagents - ethanol and molecular oxygen, as well as inert diluting gas different from water vapour, and when passing through said reaction zone A ethanol under conditions of heterogeneous catalysis is oxidised to acetic acid and water vapour, so that a gaseous mixture of products A, containing acetic acid, water vapour, molecular oxygen, as well as inert diluting gas different from water vapour is formed, and stream of gaseous mixture of products A leaves reaction zone A, wherein to reaction gas mixture A on its path through reaction zone can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, from a stream of gaseous mixture of products A, leaving reaction zone A, and at least one other stream of substances, which contains at least one source of formaldehyde, receiving stream of incoming reaction gas mixture B containing acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and formaldehyde, wherein molar amount of contained acetic acid nis more than contained therein molar amount of formaldehyde n, through second reaction zone B, in which is loaded a catalyst for aldol condensation B, passing stream of incoming reaction gas mixture B, and when-passing said reaction zone B formaldehyde contained in incoming reaction gas mixture supplied B, together with acetic acid contained in incoming reaction gas mixture supplied B, in conditions of heterogeneous catalysis is condensed to acrylic acid and water, to form a gaseous mixture of products B containing acrylic acid, acetic acid, water vapour, molecular oxygen, inert gas diluent, different from water vapour, and a stream of gaseous mixture of products B leaves reaction zone B, wherein to reaction gas mixture B on its path through reaction zone B can be optionally supplied additional molecular oxygen and/or additional inert gas diluent, stream of gaseous mixture of products B, leaving reaction zone B is fed into separation zone T, and in said separation zone T is divided at least into three streams substances - X, Y and Z, wherein stream of acrylic acid contained in stream of substance X is larger than flow of acrylic acid contained in streams of substances Y and Z, together taken, stream of acetic acid contained in a stream of substances Y is larger than stream of acetic acid contained in streams of substances X and Z, combined, stream of inert gas diluent, differing from water vapour contained in stream of substance Z, is greater than stream of inert gas diluent, different from water vapour contained in streams of substances X and Y, combined, and a stream of substance Y is fed back into reaction zone B and additionally is used for producing incoming reaction gas mixture B.EFFECT: method enables to obtain an end product with high selectivity.21 cl
Изобретение относится к способу получения акриловой кислоты из этанола и формальдегида, который включает следующие операции: через первую реакционную зону А пропускают поток поступающей реакционной газовой смеси А, содержащей реагенты - этанол и молекулярный кислород, а также инертный разбавляющий газ, отличающийся от водяного пара, и при прохождении этой реакционной зоны А этанол в условиях гетерогенного катализа окисляют до уксусной кислоты и водяного пара, так что образуется газообразная смесь продуктов А, содержащая уксусную кислоту, водяной пар, молекулярный кислород, а также инертный разбавляющий газ, отличающийся от водяного пара, и поток газообразной смеси продуктов А покидает реакционную зону А, причем к реакционной газовой смеси А на ее пути через реакционную зону А на выбор может подаваться дополнительный молекулярный кислород и/или дополнительный инертный газ-разбавитель, из потока газообразной смеси продуктов А, покидающего реакционную зону А, и по меньшей мере одного другого потока веществ, который содержит по меньшей мере один источник формальдегида, получают поток поступающей реакционной газовой смеси В, содержащей уксусную кислоту, водяной пар, молекулярный кислород, инертный газ-разбавитель, отличающийся от водяного пара, и формальдегид, в котором содержащееся молярное количество уксусной кислоты nбольше, чем содержащееся в нем молярное количество формальдегида n, через вторую реакционную зону В, в которую загружен катализатор альдольной конденсации В, пропускают поток поступающей реакционной газовой смеси В, и при прохождении этой реакционной зоны В формальдегид, содержащийся в поступающей</abstract><oa>free_for_read</oa></addata></record> |
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| title | METHOD OF PRODUCING ACRYLIC ACID FROM ETHANOL AND FORMALDEHYDE |
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