Parameters of adsorption of methylene blue on the magnetite-flask composite surface

  • Gul'narkhan Kurmangazhi al-Farabi Kazakh National University, Almaty, Kazakhstan http://orcid.org/0000-0002-2967-9366
  • Sagdat M. Tazhibayeva al-Farabi Kazakh National University, Almaty, Kazakhstan
  • Kuanyshbek B. Musabekov al-Farabi Kazakh National University, Almaty, Kazakhstan
  • B. E. Zhakipbayev M. Auezov South-Kazakhstan State University, Shymkent, Kazakhstan
Keywords: magnetite, flask, magnetic particles, magnetite-flask composite, methylene blue, adsorption

Abstract

Magnetite and magnetite-flask composites were synthesized by the Elmore method. The inclusion of magnetite particles into the structure of the flask is justified by methods of IR spectroscopy and X-ray phase analysis. On the IR spectrum of the composite the peaks characteristic of Fe-O of the magnetite were found at the oscillation frequency of 1402 cm-1. Comparison of diffraction patterns of the flask, magnetite and composite showed the appearance on the diffraction pattern of the system magnetite-silica maxima at values of 2θ and the 37.15, 43.37 characteristic of Fe3O4. In addition, the decrease of peak intensity was found at the values of 2θ 21,48 and 26.56 assigned to the silicate groups. Adsorption of methylene blue on the surface of the flask, magnetite and their composite was studied. Adsorption results were processed according to Langmuir and Freindlich. It is shown that the maximum adsorption values of the dye on the surface of the flask, magnetite, and their composite are 133.3 mg/g, 85.0 mg/g, and 166.6 mg/g, respectively. The adsorption constant is also maximal in the case of a magnetite-flask composite. The adsorption parameters calculated according to Langmuir and Freindlich are in good agreement and indicate the preferability of using the flask and composite magnetite- flask as a methylene blue adsorbents.

 

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Published
2018-03-31
How to Cite
Kurmangazhi, G., Tazhibayeva, S., Musabekov, K., & Zhakipbayev, B. (2018). Parameters of adsorption of methylene blue on the magnetite-flask composite surface. Chemical Bulletin of Kazakh National University, 88(1), 10-15. https://doi.org/https://doi.org/10.15328/cb1002
Section
Colloid and Nano Chemistry