An investigation on the adsorption of methyl orange from water by MnO2-modified diatomite

Bui Van Thang; Huynh Thi Thanh Dep; Tran Thi Xuan Mai; Nguyen Minh Thao

doi:10.51316/jca.2021.023

Authors

Bui Van Thang Dong Thap University Author
Huynh Thi Thanh Dep Truong Xuan High school, Dong Thap Author
Tran Thi Xuan Mai Dong Thap University Author
Nguyen Minh Thao Dong Thap University Author

DOI:

https://doi.org/10.51316/jca.2021.023

Keywords:

Diatomite, MnO2-diatomite, adsorption, methyl orange

Abstract

The MnO₂-modified diatomite was obtained by wet chemical methods. The specific structure of the material has been determined by modern physicochemical methods. The results showed that the surface of diatomite was coated by the manganese oxide nanoparticles. The prepared MnO₂-diatomite material is a good adsorbent for the removal methyl orange (MO) in water. The adsorption kinetics of MO on modulation materials are consistent with the pseudo-second-order kinetics model. Therefore, MnO₂-modified diatomite materials could be promising sorbents for removing MO.

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