Adsorption characteristics of 2,4-dichorophenoxy acetic acid onto surfactant modified titania nanoparticles

Authors

  • Thi Dung Le Faculty of Chemistry, University of Science, Vietnam National University – Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam | Basic Science Faculty- College of Artillery Officer Training, Thanh Mi, Son Tay, Hanoi, Vietnam
  • Quynh Loan Nguyen Faculty of Chemistry, University of Science, Vietnam National University – Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam | Centre for Disease Control and Prevention Ninh Binh, Ninh Binh, Vietnam
  • Duc Thang Nguyen Faculty of Chemistry, University of Science, Vietnam National University – Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam
  • Thanh Son Le Faculty of Chemistry, University of Science, Vietnam National University – Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam
  • Tien Duc Pham Faculty of Chemistry, University of Science, Vietnam National University – Hanoi, 19 Le Thanh Tong, Hoan Kiem, Hanoi, Vietnam

DOI:

https://doi.org/10.51316/jca.2021.061

Keywords:

Adsorption, 2,4-D, titania, nanomaterial, CTAB

Abstract

The present study investigated adsorption of 2,4-dichorophenoxy acetic acid (2,4-D) on titania (TiO2) nanoparticles with surface modification by cationic surfactant, cetyltrimethylammonium bromide (CTAB). Titania nanoparticles which were successfully synthesized by sol-gel method, were characterized by X-ray diffraction (XRD) and Transmission electron microscopy (TEM). Surface modification of TiO2 with CTAB enhanced the removal of 2,4-D significantly. Some effective conditions affect to the removal of 2,4-D using CTAB modified TiO2 such as pH and adsorbent dosage were systematically studied and found to be 5 and 10 mg/mL, respectively. Adsorption mechanisms of 2,4-D onto CTAB modified TiO2 was suggested based on the change in surface charge after adsorption.

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Published

31-12-2021

Issue

Vol. 10 No. 4 (2021): December

Section

Full Articles

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Copyright (c) 2021 Vietnam Journal of Catalysis and Adsorption

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Adsorption characteristics of 2,4-dichorophenoxy acetic acid onto surfactant modified titania nanoparticles. (2021). Vietnam Journal of Catalysis and Adsorption, 10(4), 1-5. https://doi.org/10.51316/jca.2021.061
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