Microwave assisted synthesis and characterization of a ternary flocculant from chitosan, acrylamide and lignin
Flocculant based on natural polymers has been given extensive attention recently in view of its rich source, low cost and eco-friendliness. In this study, a ternary graft copolymer (chitosan-acrylamide-lignin, CAML) was synthesized using combined microwave irradiation and chemical free radical initi...
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| Veröffentlicht in: | International biodeterioration & biodegradation 2017-09, Vol.123, p.269-275 |
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| creator | Cui, Guangpeng Wang, Xuejun Xun, Jinju Lou, Tao |
| description | Flocculant based on natural polymers has been given extensive attention recently in view of its rich source, low cost and eco-friendliness. In this study, a ternary graft copolymer (chitosan-acrylamide-lignin, CAML) was synthesized using combined microwave irradiation and chemical free radical initiator (K2S2O8/Na2S2O3) techniques. The synthesis process of dosage of initiator and microwave irradiation time was optimized with the initiator dosage of 1% (w/w) and microwave irradiation time of 18 min at the power of 280 W. Further, the flocculation performance of CAML was evaluated by the removal capacity of a synthetic dye (Acid black-172). The color removal efficiency was 97.1% at the dosage of 200 mg L−1 for 100 mg L−1 synthetic dye wastewater. CAML also revealed broad flocculation window and effective pH range. The possible flocculation mechanism for dye removal from wastewater was charge neutralization, bridging, and sweeping effects in various wastewater environments. The ternary copolymer showed the potential as an efficient flocculant.
•Chitosan-acrylamide-lignin ternary copolymer was prepared by microwave assisted method.•The color removal efficiency was 97.1% for acid black-172 simulated wastewater.•The amphoteric flocculant had a wide flocculation window and effective pH range. |
| doi_str_mv | 10.1016/j.ibiod.2017.07.011 |
| format | Article |
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•Chitosan-acrylamide-lignin ternary copolymer was prepared by microwave assisted method.•The color removal efficiency was 97.1% for acid black-172 simulated wastewater.•The amphoteric flocculant had a wide flocculation window and effective pH range.</description><identifier>ISSN: 0964-8305</identifier><identifier>EISSN: 1879-0208</identifier><identifier>DOI: 10.1016/j.ibiod.2017.07.011</identifier><language>eng</language><publisher>Barking: Elsevier Ltd</publisher><subject>Acrylamide ; Chemical synthesis ; Chitosan ; Color removal ; Dosage ; Dyes ; Flocculant ; Flocculants ; Flocculation ; Graft copolymers ; Irradiation ; Lignin ; Low cost ; Microwave irradiation ; Microwaves ; Natural polymers ; Neutralization ; pH effects ; Polymers ; Studies ; Wastewater ; Wastewater treatment</subject><ispartof>International biodeterioration & biodegradation, 2017-09, Vol.123, p.269-275</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright Elsevier BV Sep 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-f28afd036ae25851c38dcd84fb536638692346b05cf916c24f8a83fe784f32cb3</citedby><cites>FETCH-LOGICAL-c368t-f28afd036ae25851c38dcd84fb536638692346b05cf916c24f8a83fe784f32cb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ibiod.2017.07.011$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Cui, Guangpeng</creatorcontrib><creatorcontrib>Wang, Xuejun</creatorcontrib><creatorcontrib>Xun, Jinju</creatorcontrib><creatorcontrib>Lou, Tao</creatorcontrib><title>Microwave assisted synthesis and characterization of a ternary flocculant from chitosan, acrylamide and lignin</title><title>International biodeterioration & biodegradation</title><description>Flocculant based on natural polymers has been given extensive attention recently in view of its rich source, low cost and eco-friendliness. In this study, a ternary graft copolymer (chitosan-acrylamide-lignin, CAML) was synthesized using combined microwave irradiation and chemical free radical initiator (K2S2O8/Na2S2O3) techniques. The synthesis process of dosage of initiator and microwave irradiation time was optimized with the initiator dosage of 1% (w/w) and microwave irradiation time of 18 min at the power of 280 W. Further, the flocculation performance of CAML was evaluated by the removal capacity of a synthetic dye (Acid black-172). The color removal efficiency was 97.1% at the dosage of 200 mg L−1 for 100 mg L−1 synthetic dye wastewater. CAML also revealed broad flocculation window and effective pH range. The possible flocculation mechanism for dye removal from wastewater was charge neutralization, bridging, and sweeping effects in various wastewater environments. The ternary copolymer showed the potential as an efficient flocculant.
•Chitosan-acrylamide-lignin ternary copolymer was prepared by microwave assisted method.•The color removal efficiency was 97.1% for acid black-172 simulated wastewater.•The amphoteric flocculant had a wide flocculation window and effective pH range.</description><subject>Acrylamide</subject><subject>Chemical synthesis</subject><subject>Chitosan</subject><subject>Color removal</subject><subject>Dosage</subject><subject>Dyes</subject><subject>Flocculant</subject><subject>Flocculants</subject><subject>Flocculation</subject><subject>Graft copolymers</subject><subject>Irradiation</subject><subject>Lignin</subject><subject>Low cost</subject><subject>Microwave irradiation</subject><subject>Microwaves</subject><subject>Natural polymers</subject><subject>Neutralization</subject><subject>pH effects</subject><subject>Polymers</subject><subject>Studies</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><issn>0964-8305</issn><issn>1879-0208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9UEtLAzEYDKJgrf4CLwGv7prHbpo9eJDiCype9Byyedgs26QmaaX-emPrWRj4GJgZvhkALjGqMcLsZqhd74KuCcKzGhVgfAQmmM-6ChHEj8EEdaypOEXtKThLaUAI4ZbjCfAvTsXwJbcGypRcykbDtPN5aQqB0muoljJKlU103zK74GGwUMLCvYw7aMeg1GaUPkMbw6qoXQ5J-msoVdyNcuW02ceM7sM7fw5OrByTufi7U_D-cP82f6oWr4_P87tFpSjjubKES6sRZdKQlrdYUa6V5o3tW8oY5awjtGE9apXtMFOksVxyas2sSChRPZ2Cq0PuOobPjUlZDGFTPh6TwB1DHaeckKKiB1WZIKVorFhHtyq1BEbid1gxiP2w4ndYgQowLq7bg8uUAltnokjKGa-MdtGoLHRw__p_AI_ahDA</recordid><startdate>20170901</startdate><enddate>20170901</enddate><creator>Cui, Guangpeng</creator><creator>Wang, Xuejun</creator><creator>Xun, Jinju</creator><creator>Lou, Tao</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QL</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>20170901</creationdate><title>Microwave assisted synthesis and characterization of a ternary flocculant from chitosan, acrylamide and lignin</title><author>Cui, Guangpeng ; Wang, Xuejun ; Xun, Jinju ; Lou, Tao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-f28afd036ae25851c38dcd84fb536638692346b05cf916c24f8a83fe784f32cb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Acrylamide</topic><topic>Chemical synthesis</topic><topic>Chitosan</topic><topic>Color removal</topic><topic>Dosage</topic><topic>Dyes</topic><topic>Flocculant</topic><topic>Flocculants</topic><topic>Flocculation</topic><topic>Graft copolymers</topic><topic>Irradiation</topic><topic>Lignin</topic><topic>Low cost</topic><topic>Microwave irradiation</topic><topic>Microwaves</topic><topic>Natural polymers</topic><topic>Neutralization</topic><topic>pH effects</topic><topic>Polymers</topic><topic>Studies</topic><topic>Wastewater</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cui, Guangpeng</creatorcontrib><creatorcontrib>Wang, Xuejun</creatorcontrib><creatorcontrib>Xun, Jinju</creatorcontrib><creatorcontrib>Lou, Tao</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>International biodeterioration & biodegradation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cui, Guangpeng</au><au>Wang, Xuejun</au><au>Xun, Jinju</au><au>Lou, Tao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microwave assisted synthesis and characterization of a ternary flocculant from chitosan, acrylamide and lignin</atitle><jtitle>International biodeterioration & biodegradation</jtitle><date>2017-09-01</date><risdate>2017</risdate><volume>123</volume><spage>269</spage><epage>275</epage><pages>269-275</pages><issn>0964-8305</issn><eissn>1879-0208</eissn><abstract>Flocculant based on natural polymers has been given extensive attention recently in view of its rich source, low cost and eco-friendliness. In this study, a ternary graft copolymer (chitosan-acrylamide-lignin, CAML) was synthesized using combined microwave irradiation and chemical free radical initiator (K2S2O8/Na2S2O3) techniques. The synthesis process of dosage of initiator and microwave irradiation time was optimized with the initiator dosage of 1% (w/w) and microwave irradiation time of 18 min at the power of 280 W. Further, the flocculation performance of CAML was evaluated by the removal capacity of a synthetic dye (Acid black-172). The color removal efficiency was 97.1% at the dosage of 200 mg L−1 for 100 mg L−1 synthetic dye wastewater. CAML also revealed broad flocculation window and effective pH range. The possible flocculation mechanism for dye removal from wastewater was charge neutralization, bridging, and sweeping effects in various wastewater environments. The ternary copolymer showed the potential as an efficient flocculant.
•Chitosan-acrylamide-lignin ternary copolymer was prepared by microwave assisted method.•The color removal efficiency was 97.1% for acid black-172 simulated wastewater.•The amphoteric flocculant had a wide flocculation window and effective pH range.</abstract><cop>Barking</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ibiod.2017.07.011</doi><tpages>7</tpages></addata></record> |
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| subjects | Acrylamide Chemical synthesis Chitosan Color removal Dosage Dyes Flocculant Flocculants Flocculation Graft copolymers Irradiation Lignin Low cost Microwave irradiation Microwaves Natural polymers Neutralization pH effects Polymers Studies Wastewater Wastewater treatment |
| title | Microwave assisted synthesis and characterization of a ternary flocculant from chitosan, acrylamide and lignin |
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