Efficient removal of metal ions from aqueous solutions using MoS 2 functionalized chitosan Schiff base incorporated with Fe 3 O 4 nanoparticle

In the present work a novel pyrazole based chitosan Schiff base material was prepared using 5-azido-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde and functionalized using Fe O -MoS , where the nanoparticles get embedded within the gel matrix. The composite material was characterized using various tec...

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Bibliographic Details
Published inInternational journal of biological macromolecules p. 125976
Main Authors Risha Achaiah, I, Gayathri, B H, Banu, Nagma, Kaliprasad, C S, Beena Ullala Mata, B N, Ajeya, K P, Balakrishna, K, Udayabhanu, Prashantha, K, Girish, Y R, Anush, S M
Format Journal Article
LanguageEnglish
Published Netherlands 24.07.2023
Subjects
MoS-FeO
Metal ion removal
Chitosan
Adsorption studies
Pyrazole
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Summary:In the present work a novel pyrazole based chitosan Schiff base material was prepared using 5-azido-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde and functionalized using Fe O -MoS , where the nanoparticles get embedded within the gel matrix. The composite material was characterized using various techniques such as XRD, SEM, FTIR, EDS and TGA. The adsorbent material was analysed for the adsorptive take up process from the aqueous solutions of metal ion concentration ranging 20-100 mgL . The maximum adsorption capacity obtained for the material was 200.00 and 125.00 mg/g for Cr(VI) and Cu(II) respectively. Adsorptive mechanism was found to have pseudo second order kinetics and the adsorption isotherm followed Langmuir adsorption model following the monolayer adsorptive process. Further the evaluated thermodynamic parameter showed the adsorption process to be spontaneous and endothermic in nature. Reusability of the composite material was achieved using suitable stripping solutions.
ISSN:1879-0003