ADSORPTION POTENTIAL FOR A MIXTURE OF CHEMICALLY AND THERMALLY TREATED CLAYS TO REMOVE ORANGE G DYE FROM WASTE-WATER

ADSORPTION POTENTIAL FOR A MIXTURE OF CHEMICALLY AND THERMALLY TREATED CLAYS TO REMOVE ORANGE G DYE FROM WASTE-WATER

Authors

  • Saba A. Saeed
  • Dunya E. AL-Mammar

Keywords:

Adsorption of OG dye, raw clay, alkali and acid activated clays

Abstract

This study examined the adsorption behavior of anionic dye (orange G) from aqueous solution onto the raw and activated a mixture of illite, kaolinite and chlorite clays from area of Zorbatiya (east of Iraq).The chemical treatment involved alkali and acid activation. The alkali activation obtained by treated the raw clay (RC) with 5M NaOH (ACSO) and the acid activation founded by treated it with 0.25M HCl (ACH) and 0.25M  (ACS). The thermal treatment carried out by calcination the produce activated clay at 750oC for acid activation and 105oC for alkali activation. Batch adsorption method was used to study the adsorption of orange G dye onto raw and activated clays. The impact of different factors related to the adsorption process was studied such as: agitation time, clay dosage, solution pH, starting OG dye concentration, temperature and ionic strength. The adsorption process was described by using Langmuir, Freundlich, Temkin and Dubinin-Raduchkevish isotherm models. Thermodynamic functions like change in enthalpy , change in entropy  and change in Gibbs free energy were estimated based on Vanʼt Hoff equation.

Author Biographies

Saba A. Saeed

1Department of Chemistry, College of Science, University of Baghdad, Baghdad, Iraq. [email protected]

Dunya E. AL-Mammar

2Prof. Department of Chemistry, College of Science, University of Baghdad, Baghdad. Iraq. [email protected]

Published

2021-12-31

How to Cite

Saeed, S. A., & AL-Mammar, D. E. (2021). ADSORPTION POTENTIAL FOR A MIXTURE OF CHEMICALLY AND THERMALLY TREATED CLAYS TO REMOVE ORANGE G DYE FROM WASTE-WATER: ADSORPTION POTENTIAL FOR A MIXTURE OF CHEMICALLY AND THERMALLY TREATED CLAYS TO REMOVE ORANGE G DYE FROM WASTE-WATER. Iraqi Journal of Market Research and Consumer Protection, 13(2), 10–31. Retrieved from https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/244