Use of Fly Ash in the Removal of Copper, Nickel and Zinc from Wastewater-Reference-Cited by-同舟云学术

Use of Fly Ash in the Removal of Copper, Nickel and Zinc from Wastewater

Published:1993-05-01 Issue:2 Volume:28 Page:369-384
ISSN:1201-3080
Container-title:Water Quality Research Journal
language:en
Short-container-title:

Author:

Viraraghavan T.¹,Dronamraju Murali M.¹

Affiliation:

1. Faculty of Engineering, University of Regina, Regina, Saskatchewan S4S 0A2

Abstract

Abstract The effectiveness of fly ash in adsorbing copper, nickel and zinc was studied by conducting batch kinetic and isotherm studies. The effect of contact time, pH, initial concentration of the adsorbate, and temperature on the adsorption process was studied. Fly ash was found to be an effective adsorbent. The contact time necessary to attain equilibrium was found to be two hours. Maximum adsorption occurred in the pH range of 3.0 to 3.5. The Langmuir and Freundlich models were found to be applicable to the adsorption data of copper, nickel and zinc. Thermodynamic parameters suggested the exothermic nature of the adsorption process.

Publisher

IWA Publishing

Subject

Water Science and Technology

Link

http://iwaponline.com/wqrj/article-pdf/28/2/369/231802/wqrj0280369.pdf

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