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Adsorption and Thermodynamic Studies on the Removal of Congo Red Dye from Aqueous Solution by Alumina and Nano-alumina

Authors

  • Anduang Ofuo Odiongenyi Akwa Ibom state University, Ikot Akpaden, Mkpat Enin Local Government Area, Akwa Ibom State
  • Unwana Nsikak Afangide Federal University, Minna, Niger State, Nigeria Standard Organization of Nigeria, Abuja

Keywords:

Waste water, contamination, dye, adsorption

Abstract

Abstract Removal of Congo red dye from aqueous solution by adsorption onto alumina and nano alumina was investigated using batch adsorption process. The adsorption was studied at different concentrations and at various temperatures. Experimental results indicated that adsorption of the dye unto nano alumina surface followed better defined pattern than that of alumina. Adsorption pattern of nano alumina at different temperatures revealed that the nano adsorbent is more sensitive to temperature than the classical alumina. Adsorption capacity obtained from experiment correlated strongly with theoretical adsorption capacity obtained from the Langmuir isotherms. However, from calculated standard free energies of adsorption, Langmuir separation factors and thermodynamic parameters, nano-alumina is a better adsorbent than alumina.

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Author Biographies

Anduang Ofuo Odiongenyi , Akwa Ibom state University, Ikot Akpaden, Mkpat Enin Local Government Area, Akwa Ibom State

Department of Chemistry

Unwana Nsikak Afangide, Federal University, Minna, Niger State, Nigeria Standard Organization of Nigeria, Abuja

Department of Chemical Engineering

Volume 4

Published

2019-11-30 — Updated on 2020-06-03

Versions

Issue

Vol. 4 (2019): VOLUME FOUR(ISSUE 1&2)

Section

Articles