Study on the adsorption capacity Congo Red of nanocomposite xCoFe2O4 /(1-x)TiO2-5%La

Dang Thi Minh Hue; Hoang Thi Chien; Nguyen Thi Tuyet Mai; Tran Vinh Hoang; Tran Thi Thu Huyen; Nguyen Kim Nga; Huynh Dang Chinh Huynh

doi:10.51316/jca.2021.041

Authors

Dang Thi Minh Hue School of Chemical Engineering, Hanoi University of Science and Technology
Hoang Thi Chien School of Chemical Engineering, Hanoi University of Science and Technology
Nguyen Thi Tuyet Mai School of Chemical Engineering, Hanoi University of Science and Technology
Tran Vinh Hoang School of Chemical Engineering, Hanoi University of Science and Technology
Tran Thi Thu Huyen School of Chemical Engineering, Hanoi University of Science and Technology
Nguyen Kim Nga School of Chemical Engineering, Hanoi University of Science and Technology
Huynh Dang Chinh School of Chemical Engineering, Hanoi University of Science and Technology

DOI:

https://doi.org/10.51316/jca.2021.041

Keywords:

CoFe2O4, TiO2, adsorption, surfaces, nano composite, organic dyes

Abstract

In this paper, nanocomposite materials of xCoFe₂O₄/(1-x)(TiO₂–5%La) (x = 0.2) were synthesized in a two-step procedure, combining a co-precipitation and hydrothermal methods. The morphological and structural characteristics of the material were studied through XRD, SEM, EDS, BET measurements. The materials showed the high adsorption capacity for a organic dye - Congo Red (CGR) . The adsorption efficiency reaches 99.34% after 10 minutes of treatment process, with the amount of adsorbent used is 0.04g /100ml of solution of 32 µmol/l CGR.

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