Cassava starch: structural modification for development of a bio-adsorber for aqueous pollutants. Characterization and adsorption studies on methylene blue
A potential bio-adsorber of contaminants in aqueous medium was developed in this work through modified starches using organic acids. Methylene blue (MB) was used as example of a pollutant agent. For this purpose, firstly three types of modified starches were prepared using malonic, glutaric, and val...
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| Veröffentlicht in: | Polymer bulletin (Berlin, Germany) Germany), 2021-02, Vol.78 (2), p.1087-1107 |
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| container_title | Polymer bulletin (Berlin, Germany) |
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| creator | Alvarado, Nancy Abarca, Romina L. Urdaneta, José Romero, Julio Galotto, María José Guarda, Abel |
| description | A potential bio-adsorber of contaminants in aqueous medium was developed in this work through modified starches using organic acids. Methylene blue (MB) was used as example of a pollutant agent. For this purpose, firstly three types of modified starches were prepared using malonic, glutaric, and valeric acids in aqueous solution at different concentrations. The characterization of modified starches showed concordance with the chemical structure of the acid incorporated in starch. Pseudo-second-order model explains the rate of adsorption of the cationic dye MB. The adsorption of MB was carried out through intraparticle diffusion mechanism mainly. Physical and chemical interactions between modified starch and MB are involved. |
| doi_str_mv | 10.1007/s00289-020-03149-9 |
| format | Article |
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Characterization and adsorption studies on methylene blue</title><title>Polymer bulletin (Berlin, Germany)</title><addtitle>Polym. Bull</addtitle><description>A potential bio-adsorber of contaminants in aqueous medium was developed in this work through modified starches using organic acids. Methylene blue (MB) was used as example of a pollutant agent. For this purpose, firstly three types of modified starches were prepared using malonic, glutaric, and valeric acids in aqueous solution at different concentrations. The characterization of modified starches showed concordance with the chemical structure of the acid incorporated in starch. Pseudo-second-order model explains the rate of adsorption of the cationic dye MB. The adsorption of MB was carried out through intraparticle diffusion mechanism mainly. Physical and chemical interactions between modified starch and MB are involved.</description><subject>Acids</subject><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Alcohol</subject><subject>Aqueous solutions</subject><subject>Cassava</subject><subject>Cationic dyes</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Complex Fluids and Microfluidics</subject><subject>Contaminants</subject><subject>Dyes</subject><subject>Ethanol</subject><subject>Food</subject><subject>Heavy metals</subject><subject>Membrane separation</subject><subject>Methylene blue</subject><subject>Organic acids</subject><subject>Organic Chemistry</subject><subject>Original Paper</subject><subject>Physical Chemistry</subject><subject>Pollutants</subject><subject>Polymer Sciences</subject><subject>Soft and Granular Matter</subject><subject>Starches</subject><subject>Textiles</subject><subject>Water treatment</subject><issn>0170-0839</issn><issn>1436-2449</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9UctOwzAQtBBIlMIPcLLEOcWP1A9uqOIlIXGBs7WJHZoqjYPtVCq_ws9iGiRunGZXOzO7q0HokpIFJUReR0KY0gVhpCCclrrQR2hGSy4KVpb6GM0IlXmkuD5FZzFuSO6FoDP0tYIYYQc4Jgj1-iZjGOs0Bujw1tu2aWtIre9x4wO2buc6P2xdn7BvMOCq9QXY6EPlwoEBH6PzY8SD77oxQZ_iAq_WEKBOLrSfkxX0Fh9Uw6GNabStiziXW5fW-871Dlfd6M7RSQNddBe_OEdv93evq8fi-eXhaXX7XNR8KVIhpJT5_aaxjFfgiKgYCMagWhLbKOpEZYVlhC65BqVA1FRJqStLQTKpBeNzdDX5DsHn-2MyGz-GPq80TFOpJJdKZRabWHXwMQbXmCG0Wwh7Q4n5CcFMIZgcgjmEYHQW8UkUM7l_d-HP-h_VN1xSjfQ</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Alvarado, Nancy</creator><creator>Abarca, Romina L.</creator><creator>Urdaneta, José</creator><creator>Romero, Julio</creator><creator>Galotto, María José</creator><creator>Guarda, Abel</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope></search><sort><creationdate>20210201</creationdate><title>Cassava starch: structural modification for development of a bio-adsorber for aqueous pollutants. 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| subjects | Acids Adsorbents Adsorption Alcohol Aqueous solutions Cassava Cationic dyes Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Complex Fluids and Microfluidics Contaminants Dyes Ethanol Food Heavy metals Membrane separation Methylene blue Organic acids Organic Chemistry Original Paper Physical Chemistry Pollutants Polymer Sciences Soft and Granular Matter Starches Textiles Water treatment |
| title | Cassava starch: structural modification for development of a bio-adsorber for aqueous pollutants. Characterization and adsorption studies on methylene blue |
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