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Exploiting the natural potential of romanian kaolin clay. Adsorption capacity improvement through heat treatment

Ş. COJOCARU1, A. M. DUMITRESCU2, I. G. BREABĂN1, A-A. DOMOCOS3, A. R. IORDAN2,* , N. MELNICIUC-PUICĂ4, M. N. PALAMARU2

Affiliation

  1. Faculty of Geography and Geology, Alexandru Ioan Cuza University of Iaşi, 11, Carol I Blvd., 700506, Iaşi, Romania
  2. Faculty of Chemistry, Alexandru Ioan Cuza University of Iaşi, 11, Carol I Blvd., 700506, Iaşi, Romania
  3. Faculty of Physics , Alexandru Ioan Cuza University of Iaşi, 11, Carol I Blvd., 700506, Iaşi, Romania
  4. Faculty of Orthodox Theology, Alexandru Ioan Cuza University of Iaşi, 9 Closca, 700065, Iaşi, Romania

Abstract

Clays are very promising materials to be used in the domain of environmental remediation due to their good adsorption properties of both organic and inorganic ions. The present study analyzes the possible enhancements of a Romanian kaolin type clay's capacity to adsorb organic molecules. The acquired material was calcinated at 350°C and 500°C and then characterized by Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). The tests were carried out on a methylene blue aqueous solution and UV-Visible spectroscopy was used to determine the dye concentration of the solution before and after conducting the experiments..

Keywords

Kaolin, Heat treatment, Adsorption, Methylene blue.

Citation

Ş. COJOCARU, A. M. DUMITRESCU, I. G. BREABĂN, A-A. DOMOCOS, A. R. IORDAN, N. MELNICIUC-PUICĂ, M. N. PALAMARU, Exploiting the natural potential of romanian kaolin clay. Adsorption capacity improvement through heat treatment, Optoelectronics and Advanced Materials - Rapid Communications, 9, 11-12, November-December 2015, pp.1530-1534 (2015).

Submitted at: Sept. 22, 2015

Accepted at: Oct. 28, 2015