Adsorption thermodynamics to clean up wastewater; critical review

Review Paper

Abstract

The current review paper deals with critical evaluation of the thermodynamic parameters of adsorption equilibrium uptakes of heavy metals, dyes and other organic pollutants from the wastewater using low-cost adsorbents, activated carbon derived from agricultural waste, industrial wastes and other important adsorbent materials. Present review paper focus the spontaneity of adsorption processes when the thermodynamic parameters were assessed with the compensation effects of standard enthalpy change (ΔHo) and standard entropy change (ΔSo) with temperature. This paper also investigates the spontaneity of adsorption on the basis of thermodynamic criteria of spontaneity and the temperature range to predict feasibility of the adsorption processes.

Keywords

Free energy Spontaneous Feasible Enthalpy Entropy Standard 

Notes

Acknowledgments

The authors would like to acknowledge Mr. P. A. Inamdar, President of M.C.E. Society for providing financial assistance and infra-structural facility under ISTRA Academy, Pune, India.

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© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  1. 1.Post Graduate and Research Center, Department of ChemistryAbeda Inamdar Senior CollegePuneIndia

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