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Separations

Adsorption Kinetics of Chromium (VI) from Aqueous Solution Using an Anion Exchange Resin

, &
Pages 140-149 | Received 22 Nov 2019, Accepted 14 Feb 2020, Published online: 17 Mar 2020
 

Abstract

In the present study, batch experiments were performed to remove chromium (VI) from aqueous solutions using an anion exchange resin. In order to investigate the kinetic mechanism which controls the chromium (VI) adsorption, four kinetic models were used: pseudo-first order, pseudo-second order, the Elovich equation and the intraparticle diffusion model. In reaction with 1,5 diphenylcarbazide, chromium (VI) forms a complex, which was analyzed at 540 nm using a spectrophotometer after 7 min. The Cr (VI) adsorption process was well described by the pseudo-second order kinetic model for 0.1 to 0.3 g/L Cr (VI).

Disclosure statement

The authors declare that they have no conflicts of interest.

Funding

This research did not receive any specific grants from funding agencies in the public, commercial, or not-for-profit sectors.

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