Novel pervaporation separation of PVA/CS blend membranes for the removal of DMF from industrial wastewater
Achieving satisfactory separation of N, N‐Dimethylformamide (DMF)/water is still challenging in industrial wastewater treatment. To address this issue, a novel method involving pervaporation (PV) separation using polyvinyl alcohol/chitosan (PVA/CS) blend films is proposed. Various characterization m...
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| Veröffentlicht in: | Journal of applied polymer science 2025-01, Vol.142 (2), p.n/a |
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| container_title | Journal of applied polymer science |
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| creator | Xia, Rongying Yang, Zhixiu Sun, Dayu Wang, Ziqi Yao, Mingzhu Liu, Huijun Yang, Lei Ma, Guanghui Gao, Lijing Wei, Ruiping Xiao, Guomin Pan, Xiaomei |
| description | Achieving satisfactory separation of N, N‐Dimethylformamide (DMF)/water is still challenging in industrial wastewater treatment. To address this issue, a novel method involving pervaporation (PV) separation using polyvinyl alcohol/chitosan (PVA/CS) blend films is proposed. Various characterization methods confirmed the strong compatibility between PVA and CS, and the blending improved their mechanical properties and thermal stability. Heat treatment significantly reduced the swelling degree of the membranes. In a binary aqueous system with low concentrations of DMF, controlled separation can be achieved by adjusting the blending ratio of PVA to CS. The membranes exhibited preferential selectivity for DMF when the CS content is 40–75 wt%, which allowed for the concentration and recovery of DMF. At 20 °C with a feed of 10 wt% DMF solution, 2 h heat‐treated PVA/CS‐50 membrane exhibited the best performance, which could be attributed to its strong hydrogen bonding force, with a total flux of 484.09 g m−2 h−1 and a separation factor of 5.41 for DMF. The PVA/CS blend membranes exhibit excellent acid and alkali resistant and are promising candidates for the separation and recovery of DMF from industrial wastewater by membrane technology.
Polyvinyl alcohol/chitosan (PVA/CS) blend membranes were prepared and tested for pervaporation separation in DMF/water system, which helps to achieve the recovery of DMF from industrial wastewater. |
| doi_str_mv | 10.1002/app.56356 |
| format | Article |
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Polyvinyl alcohol/chitosan (PVA/CS) blend membranes were prepared and tested for pervaporation separation in DMF/water system, which helps to achieve the recovery of DMF from industrial wastewater.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.56356</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>Acid resistance ; applications ; Blending ; blends ; Bonding strength ; Chitosan ; Dimethylformamide ; Heat treatment ; Hydrogen bonding ; Industrial wastes ; Low concentrations ; Mechanical properties ; Membranes ; Pervaporation ; Polyvinyl alcohol ; Recovery ; Separation ; Thermal stability ; Thermodynamic properties ; Wastewater treatment</subject><ispartof>Journal of applied polymer science, 2025-01, Vol.142 (2), p.n/a</ispartof><rights>2024 Wiley Periodicals LLC.</rights><rights>2025 Wiley Periodicals LLC.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2226-97b36d790855bba0ae28a790743dcfda091db2cb2e1d429ea6fc8144937b9863</cites><orcidid>0000-0001-8482-1276</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.56356$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.56356$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Xia, Rongying</creatorcontrib><creatorcontrib>Yang, Zhixiu</creatorcontrib><creatorcontrib>Sun, Dayu</creatorcontrib><creatorcontrib>Wang, Ziqi</creatorcontrib><creatorcontrib>Yao, Mingzhu</creatorcontrib><creatorcontrib>Liu, Huijun</creatorcontrib><creatorcontrib>Yang, Lei</creatorcontrib><creatorcontrib>Ma, Guanghui</creatorcontrib><creatorcontrib>Gao, Lijing</creatorcontrib><creatorcontrib>Wei, Ruiping</creatorcontrib><creatorcontrib>Xiao, Guomin</creatorcontrib><creatorcontrib>Pan, Xiaomei</creatorcontrib><title>Novel pervaporation separation of PVA/CS blend membranes for the removal of DMF from industrial wastewater</title><title>Journal of applied polymer science</title><description>Achieving satisfactory separation of N, N‐Dimethylformamide (DMF)/water is still challenging in industrial wastewater treatment. To address this issue, a novel method involving pervaporation (PV) separation using polyvinyl alcohol/chitosan (PVA/CS) blend films is proposed. Various characterization methods confirmed the strong compatibility between PVA and CS, and the blending improved their mechanical properties and thermal stability. Heat treatment significantly reduced the swelling degree of the membranes. In a binary aqueous system with low concentrations of DMF, controlled separation can be achieved by adjusting the blending ratio of PVA to CS. The membranes exhibited preferential selectivity for DMF when the CS content is 40–75 wt%, which allowed for the concentration and recovery of DMF. At 20 °C with a feed of 10 wt% DMF solution, 2 h heat‐treated PVA/CS‐50 membrane exhibited the best performance, which could be attributed to its strong hydrogen bonding force, with a total flux of 484.09 g m−2 h−1 and a separation factor of 5.41 for DMF. The PVA/CS blend membranes exhibit excellent acid and alkali resistant and are promising candidates for the separation and recovery of DMF from industrial wastewater by membrane technology.
Polyvinyl alcohol/chitosan (PVA/CS) blend membranes were prepared and tested for pervaporation separation in DMF/water system, which helps to achieve the recovery of DMF from industrial wastewater.</description><subject>Acid resistance</subject><subject>applications</subject><subject>Blending</subject><subject>blends</subject><subject>Bonding strength</subject><subject>Chitosan</subject><subject>Dimethylformamide</subject><subject>Heat treatment</subject><subject>Hydrogen bonding</subject><subject>Industrial wastes</subject><subject>Low concentrations</subject><subject>Mechanical properties</subject><subject>Membranes</subject><subject>Pervaporation</subject><subject>Polyvinyl alcohol</subject><subject>Recovery</subject><subject>Separation</subject><subject>Thermal stability</subject><subject>Thermodynamic properties</subject><subject>Wastewater treatment</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><recordid>eNp1kDtPwzAQgC0EEqUw8A8sMTGktR3HiceqUEDiUYmK1TonF5EqiYOdtuq_J6Vdme713Z30EXLL2YQzJqbQdZNExYk6IyPOdBpJJbJzMhpmPMq0Ti7JVQhrxjhPmBqR9bvbYk079FvonIe-ci0N2MEpdSVdfs2m809qa2wL2mBjPbQYaOk87b-RemzcFuoD-fC2oKV3Da3aYhN6Xw3tHYQed9CjvyYXJdQBb05xTFaLx9X8OXr9eHqZz16jXAihIp3aWBWpZlmSWAsMUGQwlKmMi7wsgGleWJFbgbyQQiOoMs-4lDpOrc5UPCZ3x7Oddz8bDL1Zu41vh48m5rFMUsklG6j7I5V7F4LH0nS-asDvDWfmYNIMJs2fyYGdHtldVeP-f9DMlsvjxi8KunV8</recordid><startdate>20250110</startdate><enddate>20250110</enddate><creator>Xia, Rongying</creator><creator>Yang, Zhixiu</creator><creator>Sun, Dayu</creator><creator>Wang, Ziqi</creator><creator>Yao, Mingzhu</creator><creator>Liu, Huijun</creator><creator>Yang, Lei</creator><creator>Ma, Guanghui</creator><creator>Gao, Lijing</creator><creator>Wei, Ruiping</creator><creator>Xiao, Guomin</creator><creator>Pan, Xiaomei</creator><general>John Wiley & Sons, Inc</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-8482-1276</orcidid></search><sort><creationdate>20250110</creationdate><title>Novel pervaporation separation of PVA/CS blend membranes for the removal of DMF from industrial wastewater</title><author>Xia, Rongying ; Yang, Zhixiu ; Sun, Dayu ; Wang, Ziqi ; Yao, Mingzhu ; Liu, Huijun ; Yang, Lei ; Ma, Guanghui ; Gao, Lijing ; Wei, Ruiping ; Xiao, Guomin ; Pan, Xiaomei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2226-97b36d790855bba0ae28a790743dcfda091db2cb2e1d429ea6fc8144937b9863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2025</creationdate><topic>Acid resistance</topic><topic>applications</topic><topic>Blending</topic><topic>blends</topic><topic>Bonding strength</topic><topic>Chitosan</topic><topic>Dimethylformamide</topic><topic>Heat treatment</topic><topic>Hydrogen bonding</topic><topic>Industrial wastes</topic><topic>Low concentrations</topic><topic>Mechanical properties</topic><topic>Membranes</topic><topic>Pervaporation</topic><topic>Polyvinyl alcohol</topic><topic>Recovery</topic><topic>Separation</topic><topic>Thermal stability</topic><topic>Thermodynamic properties</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xia, Rongying</creatorcontrib><creatorcontrib>Yang, Zhixiu</creatorcontrib><creatorcontrib>Sun, Dayu</creatorcontrib><creatorcontrib>Wang, Ziqi</creatorcontrib><creatorcontrib>Yao, Mingzhu</creatorcontrib><creatorcontrib>Liu, Huijun</creatorcontrib><creatorcontrib>Yang, Lei</creatorcontrib><creatorcontrib>Ma, Guanghui</creatorcontrib><creatorcontrib>Gao, Lijing</creatorcontrib><creatorcontrib>Wei, Ruiping</creatorcontrib><creatorcontrib>Xiao, Guomin</creatorcontrib><creatorcontrib>Pan, Xiaomei</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xia, Rongying</au><au>Yang, Zhixiu</au><au>Sun, Dayu</au><au>Wang, Ziqi</au><au>Yao, Mingzhu</au><au>Liu, Huijun</au><au>Yang, Lei</au><au>Ma, Guanghui</au><au>Gao, Lijing</au><au>Wei, Ruiping</au><au>Xiao, Guomin</au><au>Pan, Xiaomei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel pervaporation separation of PVA/CS blend membranes for the removal of DMF from industrial wastewater</atitle><jtitle>Journal of applied polymer science</jtitle><date>2025-01-10</date><risdate>2025</risdate><volume>142</volume><issue>2</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>Achieving satisfactory separation of N, N‐Dimethylformamide (DMF)/water is still challenging in industrial wastewater treatment. To address this issue, a novel method involving pervaporation (PV) separation using polyvinyl alcohol/chitosan (PVA/CS) blend films is proposed. Various characterization methods confirmed the strong compatibility between PVA and CS, and the blending improved their mechanical properties and thermal stability. Heat treatment significantly reduced the swelling degree of the membranes. In a binary aqueous system with low concentrations of DMF, controlled separation can be achieved by adjusting the blending ratio of PVA to CS. The membranes exhibited preferential selectivity for DMF when the CS content is 40–75 wt%, which allowed for the concentration and recovery of DMF. At 20 °C with a feed of 10 wt% DMF solution, 2 h heat‐treated PVA/CS‐50 membrane exhibited the best performance, which could be attributed to its strong hydrogen bonding force, with a total flux of 484.09 g m−2 h−1 and a separation factor of 5.41 for DMF. The PVA/CS blend membranes exhibit excellent acid and alkali resistant and are promising candidates for the separation and recovery of DMF from industrial wastewater by membrane technology.
Polyvinyl alcohol/chitosan (PVA/CS) blend membranes were prepared and tested for pervaporation separation in DMF/water system, which helps to achieve the recovery of DMF from industrial wastewater.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/app.56356</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-8482-1276</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Acid resistance applications Blending blends Bonding strength Chitosan Dimethylformamide Heat treatment Hydrogen bonding Industrial wastes Low concentrations Mechanical properties Membranes Pervaporation Polyvinyl alcohol Recovery Separation Thermal stability Thermodynamic properties Wastewater treatment |
| title | Novel pervaporation separation of PVA/CS blend membranes for the removal of DMF from industrial wastewater |
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