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Synthesis of MoO3 Nanostructures by Solid State Reaction Method for Selective Adsorption of Cationic Dyes

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Title Synthesis of MoO3 Nanostructures by Solid State Reaction Method for Selective Adsorption of Cationic Dyes
 
Creator Kaur, Jaspreet
Kumar, Naresh
Kumar, Rajesh
 
Subject Water pollution
Cationic dyes
MoO3
Electrostatic interaction
 
Description 719-722
The ecosystem and living things are severely hampered by the water pollution caused by organic compounds containing
dyes and pigments. The cost-effective removal of organic dyes has therefore attracted a lot of attention in recent years.
Herein, we report the removal of textile dyes from water via effective adsorption by nanostructured MoO3 material. The
MoO3 have been synthesized via the solid state reaction method. The adaptation to multi-phases at effectively high
temperatures and solvent-free conditions, as well as their scalability and simplicity, offers a lot of potential for this method.
Powdered X-ray diffraction technique (PXRD) confirms the formation of pure-orthorhombic phase of MoO3 (o-MoO3).
Field emission scanning electron microscope (FESEM) micrographs reveals the formation of stacking layer structure of
MoO3. The surface charge and surface area has been investigated by using Zeta potential and BET-BJH technique. The
adsorption capacity of MoO3 has been investigated for two common dyes: Methylene Blue (MB), and Methyl Orange (MO).
The adsorption studies show that the material effectively and quickly adsorbs MB dye with adsorption capacity (759.3
mg/g), which is attributed to strong electrostatic interaction of O- ions of MoO3 with MB dye. Further, isotherm and kinetic
studies suggest that adsorption follows Langmuir and Pseudo-second-order kinetics model respectively.
 
Date 2023-09-21T06:17:13Z
2023-09-21T06:17:13Z
2023-09
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/62582
https://doi.org/10.56042/ijpap.v61i9.2628
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJPAP Vol.61(09) [September 2023]