Chitosan-based aerogels: A new paradigm of advanced green materials for remediation of contaminated water
Chitosan (CS) aerogels are highly porous (∼99 %), exhibit ultralow density, and are excellent sorbents for removing ionic pollutants and oils/organic solvents from water. Their abundant hydroxyl and amino groups facilitate the adsorption of ionic pollutants through electrostatic interaction, complex...
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| Veröffentlicht in: | Carbohydrate polymers 2024-08, Vol.338, p.122198-122198, Article 122198 |
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| creator | Paul, Joyel Qamar, Ahsan Ahankari, Sandeep S. Thomas, Sabu Dufresne, Alain |
| description | Chitosan (CS) aerogels are highly porous (∼99 %), exhibit ultralow density, and are excellent sorbents for removing ionic pollutants and oils/organic solvents from water. Their abundant hydroxyl and amino groups facilitate the adsorption of ionic pollutants through electrostatic interaction, complexation and chelation mechanisms. Selection of suitable surface wettability is the way to separate oils/organic solvents from water. This review summarizes the most recent developments in improving the adsorption performance, mechanical strength and regeneration of CS aerogels. The structure of the paper follows the extraction of chitosan, preparation and sorption characteristics of CS aerogels for heavy metal ions, organic dyes, and oils/organic solvents, sequentially. A detailed analysis of the parameters that influence the adsorption/absorption performance of CS aerogels is carried out and their effective control for improving the performance is suggested. The analysis of research outcomes of the recently published data came up with some interesting facts that the unidirectional pore structure and characteristics of the functional group of the aerogel and pH of the adsorbate have led to the enhanced adsorption performance of the CS aerogel. Finally, the excerpts of the literature survey highlighting the difficulties and potential of CS aerogels for water remediation are proposed.
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| doi_str_mv | 10.1016/j.carbpol.2024.122198 |
| format | Article |
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[Display omitted]</description><subject>Absorption</subject><subject>Adsorption</subject><subject>Aerogel</subject><subject>aerogels</subject><subject>chelation</subject><subject>Chemical and Process Engineering</subject><subject>Chemical Sciences</subject><subject>chitosan</subject><subject>electrostatic interactions</subject><subject>Engineering Sciences</subject><subject>heavy metals</subject><subject>Ion</subject><subject>Oil</subject><subject>Regeneration</subject><subject>remediation</subject><subject>sorbents</subject><subject>strength (mechanics)</subject><subject>surveys</subject><subject>water pollution</subject><subject>wettability</subject><issn>0144-8617</issn><issn>1879-1344</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqF0U2PEyEYwHFiNG5d_QgajnqYyusAXkzTqGvSxIueCQPPdGlmhgrTbvz2y6R1r8uFhPx4CX-E3lOypoS2nw9r73J3TMOaESbWlDFq9Au0olqZhnIhXqIVoUI0uqXqBr0p5UDqaCl5jW64Vi1XTKxQ3N7HORU3NZ0rELCDnPYwlC94gyd4wEeXXYj7Eaceu3B2k69onwEmPLoZcnRDwX3KOMMIIbo5pmmxPk2zG-NUTcAPi3yLXvUVw7vrfIv-fP_2e3vX7H79-Lnd7BrPNZkbJgwzbWuIdy1RhlHPaCcD10YHI7Um3AiqgtaeqZ5KEbw0ne6F7DowXe_4Lfp0OffeDfaY4-jyP5tctHebnV3WiJC6NdqcabUfL_aY098TlNmOsXgYBjdBOhXLqeRStoqp5ymRiiiuCKtUXqjPqZQM_dMzKLFLPHuw13h2iWcv8eq-D9crTl39zKdd_2tV8PUCaiA4R8i2-AhLkpjBzzak-MwVj5b4q-s</recordid><startdate>20240815</startdate><enddate>20240815</enddate><creator>Paul, Joyel</creator><creator>Qamar, Ahsan</creator><creator>Ahankari, Sandeep S.</creator><creator>Thomas, Sabu</creator><creator>Dufresne, Alain</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><scope>1XC</scope><orcidid>https://orcid.org/0009-0004-4736-9734</orcidid><orcidid>https://orcid.org/0000-0003-4726-5746</orcidid><orcidid>https://orcid.org/0000-0001-8181-1849</orcidid><orcidid>https://orcid.org/0000-0001-6943-0904</orcidid><orcidid>https://orcid.org/0000-0002-4168-1231</orcidid></search><sort><creationdate>20240815</creationdate><title>Chitosan-based aerogels: A new paradigm of advanced green materials for remediation of contaminated water</title><author>Paul, Joyel ; Qamar, Ahsan ; Ahankari, Sandeep S. ; Thomas, Sabu ; Dufresne, Alain</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-249296690ca607921c21b5d3898d9588039417d88c27f154dc59b8f45bbe9bfa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Absorption</topic><topic>Adsorption</topic><topic>Aerogel</topic><topic>aerogels</topic><topic>chelation</topic><topic>Chemical and Process Engineering</topic><topic>Chemical Sciences</topic><topic>chitosan</topic><topic>electrostatic interactions</topic><topic>Engineering Sciences</topic><topic>heavy metals</topic><topic>Ion</topic><topic>Oil</topic><topic>Regeneration</topic><topic>remediation</topic><topic>sorbents</topic><topic>strength (mechanics)</topic><topic>surveys</topic><topic>water pollution</topic><topic>wettability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Paul, Joyel</creatorcontrib><creatorcontrib>Qamar, Ahsan</creatorcontrib><creatorcontrib>Ahankari, Sandeep S.</creatorcontrib><creatorcontrib>Thomas, Sabu</creatorcontrib><creatorcontrib>Dufresne, Alain</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Carbohydrate polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Paul, Joyel</au><au>Qamar, Ahsan</au><au>Ahankari, Sandeep S.</au><au>Thomas, Sabu</au><au>Dufresne, Alain</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chitosan-based aerogels: A new paradigm of advanced green materials for remediation of contaminated water</atitle><jtitle>Carbohydrate polymers</jtitle><addtitle>Carbohydr Polym</addtitle><date>2024-08-15</date><risdate>2024</risdate><volume>338</volume><spage>122198</spage><epage>122198</epage><pages>122198-122198</pages><artnum>122198</artnum><issn>0144-8617</issn><eissn>1879-1344</eissn><abstract>Chitosan (CS) aerogels are highly porous (∼99 %), exhibit ultralow density, and are excellent sorbents for removing ionic pollutants and oils/organic solvents from water. Their abundant hydroxyl and amino groups facilitate the adsorption of ionic pollutants through electrostatic interaction, complexation and chelation mechanisms. Selection of suitable surface wettability is the way to separate oils/organic solvents from water. This review summarizes the most recent developments in improving the adsorption performance, mechanical strength and regeneration of CS aerogels. The structure of the paper follows the extraction of chitosan, preparation and sorption characteristics of CS aerogels for heavy metal ions, organic dyes, and oils/organic solvents, sequentially. A detailed analysis of the parameters that influence the adsorption/absorption performance of CS aerogels is carried out and their effective control for improving the performance is suggested. The analysis of research outcomes of the recently published data came up with some interesting facts that the unidirectional pore structure and characteristics of the functional group of the aerogel and pH of the adsorbate have led to the enhanced adsorption performance of the CS aerogel. Finally, the excerpts of the literature survey highlighting the difficulties and potential of CS aerogels for water remediation are proposed.
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| subjects | Absorption Adsorption Aerogel aerogels chelation Chemical and Process Engineering Chemical Sciences chitosan electrostatic interactions Engineering Sciences heavy metals Ion Oil Regeneration remediation sorbents strength (mechanics) surveys water pollution wettability |
| title | Chitosan-based aerogels: A new paradigm of advanced green materials for remediation of contaminated water |
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