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Ionically crosslinked magnetic chitosan/κ-carrageenan bioadsorbents for removal of anionic eriochrome black-T by Mohammad Hasan Karimi; Gholam Reza Mahdavinia; Bakhshali Massoumi; Ali Baghban; Mahnaz Saraei is a Materials Science article available to read on EtoBox.
What is Ionically crosslinked magnetic chitosan/κ-carrageenan bioadsorbents for removal of anionic eriochrome black-T about?
Magnetic bioadsorbents based on chitosan with different molecular weights were prepared. To stabilize under acidic condition the synthesized magnetic chitosan was crosslinked with κ-carrageenan. The characterization of magnetic bioadsorbents revealed that the size of magnetic nanoparticles is affected by the chitosan molecular weight. Magnetic nanoparticles with larger sizes were obtained with the high molecular weight of chitosan. The removal of eriochrome black-T (EBT) by the magnetic bioadsorbents was investigated. The equilibrium adsorption isotherm data of EBT on bioadsorbents were found to be well explained through Langmuir isotherm model, from which the maximum adsorption capacities were found to be 280, 235, and 199mg/g for bioadsorbents prepared with low, medium, and high molecular weights of chitosan, respectively. A remarkable reduction in adsorption capacities of bioadsorbents was observed as the pH of dye solution was increased. The reduction in the dye adsorption under basic media suggested using a mild condition (pH=9) to recycle and reuse the bioadsorbents. Cyclic experiments indicated that current bioadsorbents can be effectively reused to remove anionic EBT from a
Who reads Ionically crosslinked magnetic chitosan/κ-carrageenan bioadsorbents for removal of anionic eriochrome black-T?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Mohammad Hasan Karimi; Gholam Reza Mahdavinia; Bakhshali Massoumi; Ali Baghban; Mahnaz Saraei
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0141-8130)
- Published
- 2018
- Language
- EN
- Field
- Materials Science (Physical Sciences)