Synthesis of CarAlg/MMt nanocomposite hydrogels and adsorption of cationic crystal violet
•CarAlg nanocomposites from binary mixture of kappa-carrageenan and sodium alginate.•Introduction of montmorillonite nanoclay in CarAlg hydrogel as nanoclay.•Evaluation of CarAlg/MMt nanocomposites to remove crystal violet dye.•Maximum dye adsorption capacity of nanocomposites was obtained 88.8mgg−1...
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| Veröffentlicht in: | Carbohydrate polymers 2013-10, Vol.98 (1), p.358-365 |
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| creator | Mahdavinia, Gholam Reza Aghaie, Huriyeh Sheykhloie, Hossein Vardini, Mohammad Taghi Etemadi, Hossein |
| description | •CarAlg nanocomposites from binary mixture of kappa-carrageenan and sodium alginate.•Introduction of montmorillonite nanoclay in CarAlg hydrogel as nanoclay.•Evaluation of CarAlg/MMt nanocomposites to remove crystal violet dye.•Maximum dye adsorption capacity of nanocomposites was obtained 88.8mgg−1.•Improvement of dye adsorption at acidic media by introducing of kappa-carrageenan.
CarAlg/MMt nanocomposite hydrogels composed of kappa-carrageenan (Car) and sodium alginate (Alg) biopolymers were synthesized by incorporation of sodium montmorillonite (Na-MMt) nanoclay. Acrylamide (AAm), methylenebisacrylamide (MBA), and ammonium persulfate (APS) were used as monomer, crosslinker, and initiator, respectively. The structure and morphology of nanocomposites were characterized by XRD, SEM, and TEM techniques. The XRD results showed exfoliated MMt nanoclay and exfoliation of MMt was confirmed by TEM graph. The resulting nanocomposites were evaluated to remove cationic crystal violet (CV) dye from water. According to data, the adsorption capacity of nanocomposites was enhanced as the clay content was increased. The experimental data were analyzed according to both Langmuir and Freundlich models and experimental maximum adsorption capacity was obtained 88.8mgg−1. By studying the effect of pH on the dye adsorption capacity of nanocomposites, it was revealed that the adsorption capacity of nanocomposites was enhanced at acidic pHs as the Na-MMt nanoclay and kappa-carrageenan components were increased. |
| doi_str_mv | 10.1016/j.carbpol.2013.05.096 |
| format | Article |
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CarAlg/MMt nanocomposite hydrogels composed of kappa-carrageenan (Car) and sodium alginate (Alg) biopolymers were synthesized by incorporation of sodium montmorillonite (Na-MMt) nanoclay. Acrylamide (AAm), methylenebisacrylamide (MBA), and ammonium persulfate (APS) were used as monomer, crosslinker, and initiator, respectively. The structure and morphology of nanocomposites were characterized by XRD, SEM, and TEM techniques. The XRD results showed exfoliated MMt nanoclay and exfoliation of MMt was confirmed by TEM graph. The resulting nanocomposites were evaluated to remove cationic crystal violet (CV) dye from water. According to data, the adsorption capacity of nanocomposites was enhanced as the clay content was increased. The experimental data were analyzed according to both Langmuir and Freundlich models and experimental maximum adsorption capacity was obtained 88.8mgg−1. By studying the effect of pH on the dye adsorption capacity of nanocomposites, it was revealed that the adsorption capacity of nanocomposites was enhanced at acidic pHs as the Na-MMt nanoclay and kappa-carrageenan components were increased.</description><identifier>ISSN: 0144-8617</identifier><identifier>EISSN: 1879-1344</identifier><identifier>DOI: 10.1016/j.carbpol.2013.05.096</identifier><identifier>PMID: 23987355</identifier><identifier>CODEN: CAPOD8</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>acrylamides ; Adsorbents ; Adsorption ; Alginates - chemistry ; Applied sciences ; Bentonite - chemistry ; biopolymers ; Carrageenan - chemistry ; Chemistry ; Chemistry Techniques, Synthetic ; clay fraction ; Coloring Agents - chemistry ; Composites ; Exact sciences and technology ; Forms of application and semi-finished materials ; General and physical chemistry ; gentian violet ; Gentian Violet - chemistry ; Glucuronic Acid - chemistry ; Hexuronic Acids - chemistry ; hydrocolloids ; Hydrogel ; Hydrogels - chemical synthesis ; Hydrogels - chemistry ; Hydrogen-Ion Concentration ; kappa carrageenan ; Kinetics ; mathematical models ; montmorillonite ; nanoclays ; Nanocomposite ; nanocomposites ; Nanocomposites - chemistry ; Polymer industry, paints, wood ; scanning electron microscopy ; sodium ; Sodium alginate ; sorption isotherms ; Surface physical chemistry ; Technology of polymers ; transmission electron microscopy ; X-ray diffraction</subject><ispartof>Carbohydrate polymers, 2013-10, Vol.98 (1), p.358-365</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-194a84b0e1506c9e69e9915e145598445dfbd5f463450a77277f2f4082ea9ae83</citedby><cites>FETCH-LOGICAL-c419t-194a84b0e1506c9e69e9915e145598445dfbd5f463450a77277f2f4082ea9ae83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S014486171300605X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27757107$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23987355$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mahdavinia, Gholam Reza</creatorcontrib><creatorcontrib>Aghaie, Huriyeh</creatorcontrib><creatorcontrib>Sheykhloie, Hossein</creatorcontrib><creatorcontrib>Vardini, Mohammad Taghi</creatorcontrib><creatorcontrib>Etemadi, Hossein</creatorcontrib><title>Synthesis of CarAlg/MMt nanocomposite hydrogels and adsorption of cationic crystal violet</title><title>Carbohydrate polymers</title><addtitle>Carbohydr Polym</addtitle><description>•CarAlg nanocomposites from binary mixture of kappa-carrageenan and sodium alginate.•Introduction of montmorillonite nanoclay in CarAlg hydrogel as nanoclay.•Evaluation of CarAlg/MMt nanocomposites to remove crystal violet dye.•Maximum dye adsorption capacity of nanocomposites was obtained 88.8mgg−1.•Improvement of dye adsorption at acidic media by introducing of kappa-carrageenan.
CarAlg/MMt nanocomposite hydrogels composed of kappa-carrageenan (Car) and sodium alginate (Alg) biopolymers were synthesized by incorporation of sodium montmorillonite (Na-MMt) nanoclay. Acrylamide (AAm), methylenebisacrylamide (MBA), and ammonium persulfate (APS) were used as monomer, crosslinker, and initiator, respectively. The structure and morphology of nanocomposites were characterized by XRD, SEM, and TEM techniques. The XRD results showed exfoliated MMt nanoclay and exfoliation of MMt was confirmed by TEM graph. The resulting nanocomposites were evaluated to remove cationic crystal violet (CV) dye from water. According to data, the adsorption capacity of nanocomposites was enhanced as the clay content was increased. The experimental data were analyzed according to both Langmuir and Freundlich models and experimental maximum adsorption capacity was obtained 88.8mgg−1. By studying the effect of pH on the dye adsorption capacity of nanocomposites, it was revealed that the adsorption capacity of nanocomposites was enhanced at acidic pHs as the Na-MMt nanoclay and kappa-carrageenan components were increased.</description><subject>acrylamides</subject><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Alginates - chemistry</subject><subject>Applied sciences</subject><subject>Bentonite - chemistry</subject><subject>biopolymers</subject><subject>Carrageenan - chemistry</subject><subject>Chemistry</subject><subject>Chemistry Techniques, Synthetic</subject><subject>clay fraction</subject><subject>Coloring Agents - chemistry</subject><subject>Composites</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>General and physical chemistry</subject><subject>gentian violet</subject><subject>Gentian Violet - chemistry</subject><subject>Glucuronic Acid - chemistry</subject><subject>Hexuronic Acids - chemistry</subject><subject>hydrocolloids</subject><subject>Hydrogel</subject><subject>Hydrogels - chemical synthesis</subject><subject>Hydrogels - chemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>kappa carrageenan</subject><subject>Kinetics</subject><subject>mathematical models</subject><subject>montmorillonite</subject><subject>nanoclays</subject><subject>Nanocomposite</subject><subject>nanocomposites</subject><subject>Nanocomposites - chemistry</subject><subject>Polymer industry, paints, wood</subject><subject>scanning electron microscopy</subject><subject>sodium</subject><subject>Sodium alginate</subject><subject>sorption isotherms</subject><subject>Surface physical chemistry</subject><subject>Technology of polymers</subject><subject>transmission electron microscopy</subject><subject>X-ray diffraction</subject><issn>0144-8617</issn><issn>1879-1344</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1u1DAURi0EokPhEYBsKrFJasd2HK9QNeJPasWidMHKuuPcTD3yxMH2VJq3x9EMsORufBfn82cdE_KW0YZR1l3vGgtxMwfftJTxhsqG6u4ZWbFe6ZpxIZ6TFWVC1H3H1AV5ldKOlukYfUkuWq57xaVckZ_3xyk_YnKpCmO1hnjjt9d3d7maYAo27OeQXMbq8TjEsEWfKpiGCoYU4pxdmJaQhWVztrLxmDL46skFj_k1eTGCT_jmfF6Sh8-ffqy_1rffv3xb39zWVjCda6YF9GJDkUnaWY2dRq2ZRCak1L0Qchg3gxxFx4WkoFSr1NiOgvYtggbs-SX5cLp3juHXAVM2e5cseg8ThkMyTLS6ZT3nCypPqI0hpYijmaPbQzwaRs1i1ezM2apZrBoqTbFacu_OFYfNHoe_qT8aC3B1BiBZ8GOEybr0j1NKKkZV4d6fuBGCgW0szMN9aerKz0guqC7ExxNRXOOTw2iSdThZHFxEm80Q3H8e-xuNRqE9</recordid><startdate>20131015</startdate><enddate>20131015</enddate><creator>Mahdavinia, Gholam Reza</creator><creator>Aghaie, Huriyeh</creator><creator>Sheykhloie, Hossein</creator><creator>Vardini, Mohammad Taghi</creator><creator>Etemadi, Hossein</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20131015</creationdate><title>Synthesis of CarAlg/MMt nanocomposite hydrogels and adsorption of cationic crystal violet</title><author>Mahdavinia, Gholam Reza ; Aghaie, Huriyeh ; Sheykhloie, Hossein ; Vardini, Mohammad Taghi ; Etemadi, Hossein</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-194a84b0e1506c9e69e9915e145598445dfbd5f463450a77277f2f4082ea9ae83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>acrylamides</topic><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Alginates - chemistry</topic><topic>Applied sciences</topic><topic>Bentonite - chemistry</topic><topic>biopolymers</topic><topic>Carrageenan - chemistry</topic><topic>Chemistry</topic><topic>Chemistry Techniques, Synthetic</topic><topic>clay fraction</topic><topic>Coloring Agents - chemistry</topic><topic>Composites</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>General and physical chemistry</topic><topic>gentian violet</topic><topic>Gentian Violet - chemistry</topic><topic>Glucuronic Acid - chemistry</topic><topic>Hexuronic Acids - chemistry</topic><topic>hydrocolloids</topic><topic>Hydrogel</topic><topic>Hydrogels - chemical synthesis</topic><topic>Hydrogels - chemistry</topic><topic>Hydrogen-Ion Concentration</topic><topic>kappa carrageenan</topic><topic>Kinetics</topic><topic>mathematical models</topic><topic>montmorillonite</topic><topic>nanoclays</topic><topic>Nanocomposite</topic><topic>nanocomposites</topic><topic>Nanocomposites - chemistry</topic><topic>Polymer industry, paints, wood</topic><topic>scanning electron microscopy</topic><topic>sodium</topic><topic>Sodium alginate</topic><topic>sorption isotherms</topic><topic>Surface physical chemistry</topic><topic>Technology of polymers</topic><topic>transmission electron microscopy</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mahdavinia, Gholam Reza</creatorcontrib><creatorcontrib>Aghaie, Huriyeh</creatorcontrib><creatorcontrib>Sheykhloie, Hossein</creatorcontrib><creatorcontrib>Vardini, Mohammad Taghi</creatorcontrib><creatorcontrib>Etemadi, Hossein</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Carbohydrate polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mahdavinia, Gholam Reza</au><au>Aghaie, Huriyeh</au><au>Sheykhloie, Hossein</au><au>Vardini, Mohammad Taghi</au><au>Etemadi, Hossein</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis of CarAlg/MMt nanocomposite hydrogels and adsorption of cationic crystal violet</atitle><jtitle>Carbohydrate polymers</jtitle><addtitle>Carbohydr Polym</addtitle><date>2013-10-15</date><risdate>2013</risdate><volume>98</volume><issue>1</issue><spage>358</spage><epage>365</epage><pages>358-365</pages><issn>0144-8617</issn><eissn>1879-1344</eissn><coden>CAPOD8</coden><abstract>•CarAlg nanocomposites from binary mixture of kappa-carrageenan and sodium alginate.•Introduction of montmorillonite nanoclay in CarAlg hydrogel as nanoclay.•Evaluation of CarAlg/MMt nanocomposites to remove crystal violet dye.•Maximum dye adsorption capacity of nanocomposites was obtained 88.8mgg−1.•Improvement of dye adsorption at acidic media by introducing of kappa-carrageenan.
CarAlg/MMt nanocomposite hydrogels composed of kappa-carrageenan (Car) and sodium alginate (Alg) biopolymers were synthesized by incorporation of sodium montmorillonite (Na-MMt) nanoclay. Acrylamide (AAm), methylenebisacrylamide (MBA), and ammonium persulfate (APS) were used as monomer, crosslinker, and initiator, respectively. The structure and morphology of nanocomposites were characterized by XRD, SEM, and TEM techniques. The XRD results showed exfoliated MMt nanoclay and exfoliation of MMt was confirmed by TEM graph. The resulting nanocomposites were evaluated to remove cationic crystal violet (CV) dye from water. According to data, the adsorption capacity of nanocomposites was enhanced as the clay content was increased. The experimental data were analyzed according to both Langmuir and Freundlich models and experimental maximum adsorption capacity was obtained 88.8mgg−1. By studying the effect of pH on the dye adsorption capacity of nanocomposites, it was revealed that the adsorption capacity of nanocomposites was enhanced at acidic pHs as the Na-MMt nanoclay and kappa-carrageenan components were increased.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23987355</pmid><doi>10.1016/j.carbpol.2013.05.096</doi><tpages>8</tpages></addata></record> |
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| subjects | acrylamides Adsorbents Adsorption Alginates - chemistry Applied sciences Bentonite - chemistry biopolymers Carrageenan - chemistry Chemistry Chemistry Techniques, Synthetic clay fraction Coloring Agents - chemistry Composites Exact sciences and technology Forms of application and semi-finished materials General and physical chemistry gentian violet Gentian Violet - chemistry Glucuronic Acid - chemistry Hexuronic Acids - chemistry hydrocolloids Hydrogel Hydrogels - chemical synthesis Hydrogels - chemistry Hydrogen-Ion Concentration kappa carrageenan Kinetics mathematical models montmorillonite nanoclays Nanocomposite nanocomposites Nanocomposites - chemistry Polymer industry, paints, wood scanning electron microscopy sodium Sodium alginate sorption isotherms Surface physical chemistry Technology of polymers transmission electron microscopy X-ray diffraction |
| title | Synthesis of CarAlg/MMt nanocomposite hydrogels and adsorption of cationic crystal violet |
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