Effect of Deacetylation Degree in Chitosan Composite Membranes on Pervaporation Performance
The effect of the degree of deacetylation in chitosan composite membranes on their pervaporation performance for ethanol dehydration was investigated. The degree of deacetylation of chitosans was measured by using an infrared spectroscopic method and elemental analysis. The chitosan composite membra...
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| Veröffentlicht in: | Separation Science and Technology 1998-01, Vol.33 (9), p.1255-1269 |
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| container_title | Separation Science and Technology |
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| creator | Lee, Young Moo Park, Ho Bum Nam, Sang Yong Won, Jang Mook Kim, Hoagy |
| description | The effect of the degree of deacetylation in chitosan composite membranes on their pervaporation performance for ethanol dehydration was investigated. The degree of deacetylation of chitosans was measured by using an infrared spectroscopic method and elemental analysis. The chitosan composite membranes were prepared by coating a chitosan solution onto a microporous polyethersulfone membrane with 3-7 nm pore sizes. Then the surface of the top layer (chitosan) of well-dried membranes was crosslinked with sulfuric acid, and pervaporation experiments for binary mixtures (water-ethanol) were carried out at various conditions. In the case of a chitosan membrane with a high degree of deacetylation, the flux increases while the separation factor decreases compared with membranes with a low degree of deacetylation. |
| doi_str_mv | 10.1080/01496399808544982 |
| format | Article |
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The degree of deacetylation of chitosans was measured by using an infrared spectroscopic method and elemental analysis. The chitosan composite membranes were prepared by coating a chitosan solution onto a microporous polyethersulfone membrane with 3-7 nm pore sizes. Then the surface of the top layer (chitosan) of well-dried membranes was crosslinked with sulfuric acid, and pervaporation experiments for binary mixtures (water-ethanol) were carried out at various conditions. In the case of a chitosan membrane with a high degree of deacetylation, the flux increases while the separation factor decreases compared with membranes with a low degree of deacetylation.</description><identifier>ISSN: 0149-6395</identifier><identifier>EISSN: 1520-5754</identifier><identifier>DOI: 10.1080/01496399808544982</identifier><language>eng</language><publisher>United States: Taylor & Francis Group</publisher><subject>09 BIOMASS FUELS ; 10 SYNTHETIC FUELS ; ACETYLATION ; CHITIN ; Composite membrane ; Deacetylation of chitosan ; DECOMPOSITION ; DEHYDRATION ; ETHANOL ; MEMBRANE TRANSPORT ; MEMBRANES ; Pervaporation ; Water/ethanol separation</subject><ispartof>Separation Science and Technology, 1998-01, Vol.33 (9), p.1255-1269</ispartof><rights>Copyright Taylor & Francis Group, LLC 1998</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-2c403d6d2cab97c4e463b0cef0cf355b9d17e1adfec5cfecf16a897973237223</citedby><cites>FETCH-LOGICAL-c436t-2c403d6d2cab97c4e463b0cef0cf355b9d17e1adfec5cfecf16a897973237223</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/01496399808544982$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/01496399808544982$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,776,780,881,27903,27904,59623,60412</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/634707$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Lee, Young Moo</creatorcontrib><creatorcontrib>Park, Ho Bum</creatorcontrib><creatorcontrib>Nam, Sang Yong</creatorcontrib><creatorcontrib>Won, Jang Mook</creatorcontrib><creatorcontrib>Kim, Hoagy</creatorcontrib><title>Effect of Deacetylation Degree in Chitosan Composite Membranes on Pervaporation Performance</title><title>Separation Science and Technology</title><description>The effect of the degree of deacetylation in chitosan composite membranes on their pervaporation performance for ethanol dehydration was investigated. The degree of deacetylation of chitosans was measured by using an infrared spectroscopic method and elemental analysis. The chitosan composite membranes were prepared by coating a chitosan solution onto a microporous polyethersulfone membrane with 3-7 nm pore sizes. Then the surface of the top layer (chitosan) of well-dried membranes was crosslinked with sulfuric acid, and pervaporation experiments for binary mixtures (water-ethanol) were carried out at various conditions. In the case of a chitosan membrane with a high degree of deacetylation, the flux increases while the separation factor decreases compared with membranes with a low degree of deacetylation.</description><subject>09 BIOMASS FUELS</subject><subject>10 SYNTHETIC FUELS</subject><subject>ACETYLATION</subject><subject>CHITIN</subject><subject>Composite membrane</subject><subject>Deacetylation of chitosan</subject><subject>DECOMPOSITION</subject><subject>DEHYDRATION</subject><subject>ETHANOL</subject><subject>MEMBRANE TRANSPORT</subject><subject>MEMBRANES</subject><subject>Pervaporation</subject><subject>Water/ethanol separation</subject><issn>0149-6395</issn><issn>1520-5754</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqFkM1OAyEURonRxFp9AHfjA4zCAMOQuDG1_iQ1uujOBWHugMVMhwaI2reXOu4a4wa44Ry430XonOBLght8hQmTNZWywQ1nTDbVAZoQXuGSC84O0WR3X2aAH6OTGN8xzpyUE_Q6t9ZAKrwtbo0Gk7a9Ts4PuXoLxhRuKGYrl3zU-eDXGx9dMsWTWbdBDyYWmXwx4UNvfBi9XFkf1noAc4qOrO6jOfvdp2h5N1_OHsrF8_3j7GZRAqN1KitgmHZ1V4FupQBmWE1bDMZisJTzVnZEGKK73CeHvFhS60YKKWhFRVXRKboYn_UxORUhNwgr8MOQc6maMoFFZsjIQPAxBmPVJri1DltFsNoNUO0NMDtidNzwk-jTh75TSW97H2xODy7uWyp9pWxe_2vSvz_-BjNqiiI</recordid><startdate>19980101</startdate><enddate>19980101</enddate><creator>Lee, Young Moo</creator><creator>Park, Ho Bum</creator><creator>Nam, Sang Yong</creator><creator>Won, Jang Mook</creator><creator>Kim, Hoagy</creator><general>Taylor & Francis Group</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19980101</creationdate><title>Effect of Deacetylation Degree in Chitosan Composite Membranes on Pervaporation Performance</title><author>Lee, Young Moo ; Park, Ho Bum ; Nam, Sang Yong ; Won, Jang Mook ; Kim, Hoagy</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-2c403d6d2cab97c4e463b0cef0cf355b9d17e1adfec5cfecf16a897973237223</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>09 BIOMASS FUELS</topic><topic>10 SYNTHETIC FUELS</topic><topic>ACETYLATION</topic><topic>CHITIN</topic><topic>Composite membrane</topic><topic>Deacetylation of chitosan</topic><topic>DECOMPOSITION</topic><topic>DEHYDRATION</topic><topic>ETHANOL</topic><topic>MEMBRANE TRANSPORT</topic><topic>MEMBRANES</topic><topic>Pervaporation</topic><topic>Water/ethanol separation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Young Moo</creatorcontrib><creatorcontrib>Park, Ho Bum</creatorcontrib><creatorcontrib>Nam, Sang Yong</creatorcontrib><creatorcontrib>Won, Jang Mook</creatorcontrib><creatorcontrib>Kim, Hoagy</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Separation Science and Technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Young Moo</au><au>Park, Ho Bum</au><au>Nam, Sang Yong</au><au>Won, Jang Mook</au><au>Kim, Hoagy</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Deacetylation Degree in Chitosan Composite Membranes on Pervaporation Performance</atitle><jtitle>Separation Science and Technology</jtitle><date>1998-01-01</date><risdate>1998</risdate><volume>33</volume><issue>9</issue><spage>1255</spage><epage>1269</epage><pages>1255-1269</pages><issn>0149-6395</issn><eissn>1520-5754</eissn><abstract>The effect of the degree of deacetylation in chitosan composite membranes on their pervaporation performance for ethanol dehydration was investigated. The degree of deacetylation of chitosans was measured by using an infrared spectroscopic method and elemental analysis. The chitosan composite membranes were prepared by coating a chitosan solution onto a microporous polyethersulfone membrane with 3-7 nm pore sizes. Then the surface of the top layer (chitosan) of well-dried membranes was crosslinked with sulfuric acid, and pervaporation experiments for binary mixtures (water-ethanol) were carried out at various conditions. In the case of a chitosan membrane with a high degree of deacetylation, the flux increases while the separation factor decreases compared with membranes with a low degree of deacetylation.</abstract><cop>United States</cop><pub>Taylor & Francis Group</pub><doi>10.1080/01496399808544982</doi><tpages>15</tpages></addata></record> |
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| ispartof | Separation Science and Technology, 1998-01, Vol.33 (9), p.1255-1269 |
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| source | Taylor & Francis:Master (3349 titles) |
| subjects | 09 BIOMASS FUELS 10 SYNTHETIC FUELS ACETYLATION CHITIN Composite membrane Deacetylation of chitosan DECOMPOSITION DEHYDRATION ETHANOL MEMBRANE TRANSPORT MEMBRANES Pervaporation Water/ethanol separation |
| title | Effect of Deacetylation Degree in Chitosan Composite Membranes on Pervaporation Performance |
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