Silk nanofibers-ZIF hybrid membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water
The preparation of membranes with improved treatment efficiency and highly enhanced water permeability remains a distant prospect. Herein, a low-cost hybrid membrane composed of silk nanofibers (SNFs) and zeolitic imidazolate framework (ZIF) was successfully prepared for efficient wastewater treatme...
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| Veröffentlicht in: | Environmental science. Nano 2021-11, Vol.8 (11), p.348-342 |
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| container_issue | 11 |
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| container_title | Environmental science. Nano |
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| creator | Sun, Dina Meng, Gengping Sun, Shihao Guo, Wenting Hai, Jun Su, Junxia Song, Yanxia Chen, Fengjuan Wang, Baodui |
| description | The preparation of membranes with improved treatment efficiency and highly enhanced water permeability remains a distant prospect. Herein, a low-cost hybrid membrane composed of silk nanofibers (SNFs) and zeolitic imidazolate framework (ZIF) was successfully prepared for efficient wastewater treatment. The resulting SNFs-ZIF hybrid membrane breaks the treatment efficiency-water permeability trade-off with both parameters remarkably increasing for wastewater treatment. At a water permeability of 354.06 L m
−2
h
−1
bar
−1
, the treatment efficiency of the hybrid membrane for metal ions is close to 100%, and the above operation can be repeated at least 8 times. The water permeability is almost increased by 1-2 orders of magnitude compared with other similar materials. Such remarkably enhanced treatment efficiency and water permeability were attributed to the ability of the SNFs and ZIF to selectively adsorb heavy metal contaminants and the formed hydrophilic interlaced nanochannels in the self-assembly process. Strikingly, the membrane can also be used to recycle palladium (Pd) pollutants by reducing the trapped Pd ions in the membrane at high temperature, leading to the creation of Pd nanoparticles for electrocatalytic reduction of nitrate ions with a NO
3
−
-N conversion of 87.56% and N
2
selectivity of 77% in 60 h. This study provides a feasible strategy for fabricating a high-performance ZIF-functionalized bio-membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water.
We developed a new and sustainable SNFs-ZIF hybrid membrane with improved treatment efficiency and enhanced water permeability for excellent removal of multiple pollutants including heavy metals, dyes and NO
3
−
. |
| doi_str_mv | 10.1039/d1en00798j |
| format | Article |
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−2
h
−1
bar
−1
, the treatment efficiency of the hybrid membrane for metal ions is close to 100%, and the above operation can be repeated at least 8 times. The water permeability is almost increased by 1-2 orders of magnitude compared with other similar materials. Such remarkably enhanced treatment efficiency and water permeability were attributed to the ability of the SNFs and ZIF to selectively adsorb heavy metal contaminants and the formed hydrophilic interlaced nanochannels in the self-assembly process. Strikingly, the membrane can also be used to recycle palladium (Pd) pollutants by reducing the trapped Pd ions in the membrane at high temperature, leading to the creation of Pd nanoparticles for electrocatalytic reduction of nitrate ions with a NO
3
−
-N conversion of 87.56% and N
2
selectivity of 77% in 60 h. This study provides a feasible strategy for fabricating a high-performance ZIF-functionalized bio-membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water.
We developed a new and sustainable SNFs-ZIF hybrid membrane with improved treatment efficiency and enhanced water permeability for excellent removal of multiple pollutants including heavy metals, dyes and NO
3
−
.</description><identifier>ISSN: 2051-8153</identifier><identifier>EISSN: 2051-8161</identifier><identifier>DOI: 10.1039/d1en00798j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Chemical reduction ; Contaminants ; Efficiency ; Heavy metals ; High temperature ; Membrane permeability ; Membranes ; Metal ions ; Metal-organic frameworks ; Metals ; Nanochannels ; Nanofibers ; Nanoparticles ; Osmosis ; Palladium ; Permeability ; Pollutant removal ; Pollutants ; Pollution control ; Removal ; Selectivity ; Self-assembly ; Silk ; Wastewater treatment ; Water pollution ; Water treatment ; Zeolites</subject><ispartof>Environmental science. Nano, 2021-11, Vol.8 (11), p.348-342</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c281t-27406e1f3e613e95b45eff50950715a0ffa151a474ab962672b5c3f40030b8d33</citedby><cites>FETCH-LOGICAL-c281t-27406e1f3e613e95b45eff50950715a0ffa151a474ab962672b5c3f40030b8d33</cites><orcidid>0000-0003-1600-6557</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27911,27912</link.rule.ids></links><search><creatorcontrib>Sun, Dina</creatorcontrib><creatorcontrib>Meng, Gengping</creatorcontrib><creatorcontrib>Sun, Shihao</creatorcontrib><creatorcontrib>Guo, Wenting</creatorcontrib><creatorcontrib>Hai, Jun</creatorcontrib><creatorcontrib>Su, Junxia</creatorcontrib><creatorcontrib>Song, Yanxia</creatorcontrib><creatorcontrib>Chen, Fengjuan</creatorcontrib><creatorcontrib>Wang, Baodui</creatorcontrib><title>Silk nanofibers-ZIF hybrid membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water</title><title>Environmental science. Nano</title><description>The preparation of membranes with improved treatment efficiency and highly enhanced water permeability remains a distant prospect. Herein, a low-cost hybrid membrane composed of silk nanofibers (SNFs) and zeolitic imidazolate framework (ZIF) was successfully prepared for efficient wastewater treatment. The resulting SNFs-ZIF hybrid membrane breaks the treatment efficiency-water permeability trade-off with both parameters remarkably increasing for wastewater treatment. At a water permeability of 354.06 L m
−2
h
−1
bar
−1
, the treatment efficiency of the hybrid membrane for metal ions is close to 100%, and the above operation can be repeated at least 8 times. The water permeability is almost increased by 1-2 orders of magnitude compared with other similar materials. Such remarkably enhanced treatment efficiency and water permeability were attributed to the ability of the SNFs and ZIF to selectively adsorb heavy metal contaminants and the formed hydrophilic interlaced nanochannels in the self-assembly process. Strikingly, the membrane can also be used to recycle palladium (Pd) pollutants by reducing the trapped Pd ions in the membrane at high temperature, leading to the creation of Pd nanoparticles for electrocatalytic reduction of nitrate ions with a NO
3
−
-N conversion of 87.56% and N
2
selectivity of 77% in 60 h. This study provides a feasible strategy for fabricating a high-performance ZIF-functionalized bio-membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water.
We developed a new and sustainable SNFs-ZIF hybrid membrane with improved treatment efficiency and enhanced water permeability for excellent removal of multiple pollutants including heavy metals, dyes and NO
3
−
.</description><subject>Chemical reduction</subject><subject>Contaminants</subject><subject>Efficiency</subject><subject>Heavy metals</subject><subject>High temperature</subject><subject>Membrane permeability</subject><subject>Membranes</subject><subject>Metal ions</subject><subject>Metal-organic frameworks</subject><subject>Metals</subject><subject>Nanochannels</subject><subject>Nanofibers</subject><subject>Nanoparticles</subject><subject>Osmosis</subject><subject>Palladium</subject><subject>Permeability</subject><subject>Pollutant removal</subject><subject>Pollutants</subject><subject>Pollution control</subject><subject>Removal</subject><subject>Selectivity</subject><subject>Self-assembly</subject><subject>Silk</subject><subject>Wastewater treatment</subject><subject>Water pollution</subject><subject>Water treatment</subject><subject>Zeolites</subject><issn>2051-8153</issn><issn>2051-8161</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpFkUtP3TAQRqOqlUCUTfdII3VXKXQcx3ksEeVVoXYBbLqJnGTc-NaP1PYF8oP4nw29CFYzizPfzOhk2SeGxwx5-3Vk5BDrttm8y_YLFCxvWMXev_aC72WHMW4QkbFC8Krez55utPkDTjqvdE8h5r-uzmFa-qBHsGT7IB3Bg04TaDsHf08jpEAyWXIJSCk9aHLDAtKNMOnfk1mA3CTdsIIPMlGAmYIl2Wuj0wLKB6DHgYx5ng9k_b004BXYrUl6NgSzN2abpEsRVPB2F_Ix-6CkiXT4Ug-yu_Oz29PL_PrnxdXpyXU-FA1LeVGXWBFTnCrGqRV9KdYTBbYCayYkKiWZYLKsS9m3VVHVRS8GrkpEjn0zcn6Qfd7lrq_-3VJM3cZvg1tXdoVoK46c1c1KfdlRQ_AxBlLdHLSVYekYds8mum_s7Md_E99X-GgHhzi8cm-m-D_xooim</recordid><startdate>20211112</startdate><enddate>20211112</enddate><creator>Sun, Dina</creator><creator>Meng, Gengping</creator><creator>Sun, Shihao</creator><creator>Guo, Wenting</creator><creator>Hai, Jun</creator><creator>Su, Junxia</creator><creator>Song, Yanxia</creator><creator>Chen, Fengjuan</creator><creator>Wang, Baodui</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-1600-6557</orcidid></search><sort><creationdate>20211112</creationdate><title>Silk nanofibers-ZIF hybrid membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water</title><author>Sun, Dina ; Meng, Gengping ; Sun, Shihao ; Guo, Wenting ; Hai, Jun ; Su, Junxia ; Song, Yanxia ; Chen, Fengjuan ; Wang, Baodui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c281t-27406e1f3e613e95b45eff50950715a0ffa151a474ab962672b5c3f40030b8d33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Chemical reduction</topic><topic>Contaminants</topic><topic>Efficiency</topic><topic>Heavy metals</topic><topic>High temperature</topic><topic>Membrane permeability</topic><topic>Membranes</topic><topic>Metal ions</topic><topic>Metal-organic frameworks</topic><topic>Metals</topic><topic>Nanochannels</topic><topic>Nanofibers</topic><topic>Nanoparticles</topic><topic>Osmosis</topic><topic>Palladium</topic><topic>Permeability</topic><topic>Pollutant removal</topic><topic>Pollutants</topic><topic>Pollution control</topic><topic>Removal</topic><topic>Selectivity</topic><topic>Self-assembly</topic><topic>Silk</topic><topic>Wastewater treatment</topic><topic>Water pollution</topic><topic>Water treatment</topic><topic>Zeolites</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Dina</creatorcontrib><creatorcontrib>Meng, Gengping</creatorcontrib><creatorcontrib>Sun, Shihao</creatorcontrib><creatorcontrib>Guo, Wenting</creatorcontrib><creatorcontrib>Hai, Jun</creatorcontrib><creatorcontrib>Su, Junxia</creatorcontrib><creatorcontrib>Song, Yanxia</creatorcontrib><creatorcontrib>Chen, Fengjuan</creatorcontrib><creatorcontrib>Wang, Baodui</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Environmental science. Nano</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Dina</au><au>Meng, Gengping</au><au>Sun, Shihao</au><au>Guo, Wenting</au><au>Hai, Jun</au><au>Su, Junxia</au><au>Song, Yanxia</au><au>Chen, Fengjuan</au><au>Wang, Baodui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Silk nanofibers-ZIF hybrid membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water</atitle><jtitle>Environmental science. Nano</jtitle><date>2021-11-12</date><risdate>2021</risdate><volume>8</volume><issue>11</issue><spage>348</spage><epage>342</epage><pages>348-342</pages><issn>2051-8153</issn><eissn>2051-8161</eissn><abstract>The preparation of membranes with improved treatment efficiency and highly enhanced water permeability remains a distant prospect. Herein, a low-cost hybrid membrane composed of silk nanofibers (SNFs) and zeolitic imidazolate framework (ZIF) was successfully prepared for efficient wastewater treatment. The resulting SNFs-ZIF hybrid membrane breaks the treatment efficiency-water permeability trade-off with both parameters remarkably increasing for wastewater treatment. At a water permeability of 354.06 L m
−2
h
−1
bar
−1
, the treatment efficiency of the hybrid membrane for metal ions is close to 100%, and the above operation can be repeated at least 8 times. The water permeability is almost increased by 1-2 orders of magnitude compared with other similar materials. Such remarkably enhanced treatment efficiency and water permeability were attributed to the ability of the SNFs and ZIF to selectively adsorb heavy metal contaminants and the formed hydrophilic interlaced nanochannels in the self-assembly process. Strikingly, the membrane can also be used to recycle palladium (Pd) pollutants by reducing the trapped Pd ions in the membrane at high temperature, leading to the creation of Pd nanoparticles for electrocatalytic reduction of nitrate ions with a NO
3
−
-N conversion of 87.56% and N
2
selectivity of 77% in 60 h. This study provides a feasible strategy for fabricating a high-performance ZIF-functionalized bio-membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water.
We developed a new and sustainable SNFs-ZIF hybrid membrane with improved treatment efficiency and enhanced water permeability for excellent removal of multiple pollutants including heavy metals, dyes and NO
3
−
.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1en00798j</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0003-1600-6557</orcidid></addata></record> |
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| ispartof | Environmental science. Nano, 2021-11, Vol.8 (11), p.348-342 |
| issn | 2051-8153 2051-8161 |
| language | eng |
| recordid | cdi_proquest_journals_2596303178 |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Chemical reduction Contaminants Efficiency Heavy metals High temperature Membrane permeability Membranes Metal ions Metal-organic frameworks Metals Nanochannels Nanofibers Nanoparticles Osmosis Palladium Permeability Pollutant removal Pollutants Pollution control Removal Selectivity Self-assembly Silk Wastewater treatment Water pollution Water treatment Zeolites |
| title | Silk nanofibers-ZIF hybrid membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water |
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