COLUMN AND BATCH REGENERATION STUDIES FOR ZINC REMOVAL ON DIFFERENT ANIONIC EXCHANGE RESINS

Emilia  GÎLCĂ; Andrada  MĂICĂNEANU; Petru  ILEA

COLUMN AND BATCH REGENERATION STUDIES FOR ZINC REMOVAL ON DIFFERENT ANIONIC EXCHANGE RESINS

Authors

Emilia GÎLCĂ Department of Chemical Engineering, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Corresponding author: sanda.maicaneanu@iup.edu.
Andrada MĂICĂNEANU Madia Department of Chemistry, Indiana University of Pennsylvania, Indiana, USA; Department of Chemical Engineering, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: sanda.maicaneanu@iup.edu. https://orcid.org/0000-0002-6905-3894
Petru ILEA Interdisciplinary Research Institute on Bio Nano Sciences, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: pilea@chem.ubbcluj.ro. https://orcid.org/0000-0002-4334-2735

Keywords:

regeneration, fixed bed, batch mode, zinc chloride

Abstract

Five anion exchange resins were used to remove zinc chloride complexes from a synthetic acid pickling bath. The experiments were carried out for several cycles of adsorption-desorption in fixed bed column and batch mode. The results showed that the percent of zinc chloride sorption remained constant in the last three cycles (from six) in both cases. Comparing various resins, the following series was depicted based on the ionic exchange capacity: Purolite A600MB > Amberlite IRA410 > Purolite A103S > Purolite A400MBOH > Purolite NRW700. Also, it was possible to concentrate the metal in smaller solution volume after regeneration, which will make its recovery much easier.

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STUDIA UBB CHEMIA, Volume 60 (LX), No. 3, September 2015

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Published

2015-09-30

How to Cite

GÎLCĂ, E. ., MĂICĂNEANU, A. ., & ILEA, P. . (2015). COLUMN AND BATCH REGENERATION STUDIES FOR ZINC REMOVAL ON DIFFERENT ANIONIC EXCHANGE RESINS. Studia Universitatis Babeș-Bolyai Chemia, 60(3), 173–181. Retrieved from https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/8478