Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate
A method and plant for obtaining acetic acid and methanol from the hydrolysis of methyl acetate by reactive distillation is disclosed. The reactive distillation column is configured as a divided wall reactive distillation column (1). A feed containing water and methyl acetate are brought into contac...
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| creator | SANDER, STEFAN ZUBER, LAURENT |
| description | A method and plant for obtaining acetic acid and methanol from the hydrolysis of methyl acetate by reactive distillation is disclosed. The reactive distillation column is configured as a divided wall reactive distillation column (1). A feed containing water and methyl acetate are brought into contact with a catalyst in a reactive space (19) to perform the hydrolysis of water and methyl acetate to methanol and acetic acid. The reactive space comprises at least a first rectification zone (32), a first stripping zone (34) and a first reaction zone (33). A catalyst is provided in the first reaction zone (33). The column further comprises a product space (29) with at least a second rectification zone (42) and a second stripping zone (44). The second stripping zone (44) shares at least a portion of the column sump (38) with the first stripping zone (34). A first head product is discharged from a reactive space head portion (45) and a bottom product is discharged from the column sump (38) and a second head product is discharged from a product space head portion (46) and an intermediate product is discharged from the product space (29). |
| format | Patent |
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The reactive distillation column is configured as a divided wall reactive distillation column (1). A feed containing water and methyl acetate are brought into contact with a catalyst in a reactive space (19) to perform the hydrolysis of water and methyl acetate to methanol and acetic acid. The reactive space comprises at least a first rectification zone (32), a first stripping zone (34) and a first reaction zone (33). A catalyst is provided in the first reaction zone (33). The column further comprises a product space (29) with at least a second rectification zone (42) and a second stripping zone (44). The second stripping zone (44) shares at least a portion of the column sump (38) with the first stripping zone (34). A first head product is discharged from a reactive space head portion (45) and a bottom product is discharged from the column sump (38) and a second head product is discharged from a product space head portion (46) and an intermediate product is discharged from the product space (29).</description><language>eng ; fre ; ger</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 ; SEPARATION ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2012</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=20120926&DB=EPODOC&CC=EP&NR=2502655A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120926&DB=EPODOC&CC=EP&NR=2502655A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SANDER, STEFAN</creatorcontrib><creatorcontrib>ZUBER, LAURENT</creatorcontrib><title>Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate</title><description>A method and plant for obtaining acetic acid and methanol from the hydrolysis of methyl acetate by reactive distillation is disclosed. The reactive distillation column is configured as a divided wall reactive distillation column (1). A feed containing water and methyl acetate are brought into contact with a catalyst in a reactive space (19) to perform the hydrolysis of water and methyl acetate to methanol and acetic acid. The reactive space comprises at least a first rectification zone (32), a first stripping zone (34) and a first reaction zone (33). A catalyst is provided in the first reaction zone (33). The column further comprises a product space (29) with at least a second rectification zone (42) and a second stripping zone (44). The second stripping zone (44) shares at least a portion of the column sump (38) with the first stripping zone (34). 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The reactive distillation column is configured as a divided wall reactive distillation column (1). A feed containing water and methyl acetate are brought into contact with a catalyst in a reactive space (19) to perform the hydrolysis of water and methyl acetate to methanol and acetic acid. The reactive space comprises at least a first rectification zone (32), a first stripping zone (34) and a first reaction zone (33). A catalyst is provided in the first reaction zone (33). The column further comprises a product space (29) with at least a second rectification zone (42) and a second stripping zone (44). The second stripping zone (44) shares at least a portion of the column sump (38) with the first stripping zone (34). A first head product is discharged from a reactive space head portion (45) and a bottom product is discharged from the column sump (38) and a second head product is discharged from a product space head portion (46) and an intermediate product is discharged from the product space (29).</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 SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate |
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