EFFICIENCY ANALYSIS OF SOME ZEOLITE MEDIA IN THE TREATMENT OF TECHNOLOGICAL WASTEWATER IN AGRO-ZOOTECHNICAL UNITS

Sebastian Ionuț OGNEAN; Emilia Valentina PANTEA; Valer MICLE; Daria-Maria-Ecaterina FENEȘAN

doi:10.24193/subbchem.2025.4.04

EFFICIENCY ANALYSIS OF SOME ZEOLITE MEDIA IN THE TREATMENT OF TECHNOLOGICAL WASTEWATER IN AGRO-ZOOTECHNICAL UNITS

Authors

Sebastian Ionuț OGNEAN Technical University, Faculty of Materials and Environmental Engineering, Department of Environment Engineering and Entrepreneurship of Sustainable Development, 30 Fantanele St., RO-400294 Cluj-Napoca, Romania https://orcid.org/0009-0000-5511-8477
Emilia Valentina PANTEA University of Oradea, Faculty of Environmental Protection, Department of Environmental Engineering, 26 Gen. Magheru St., 410087, Oradea, Romania, *emipantea@gmail.com. https://orcid.org/0000-0001-9684-5398
Valer MICLE Technical University, Faculty of Materials and Environmental Engineering, Department of Environment Engineering and Entrepreneurship of Sustainable Development, 30 Fantanele St., RO-400294 Cluj-Napoca, Romania https://orcid.org/0000-0003-1102-4537
Daria-Maria-Ecaterina FENEȘAN University of Agricultural Sciences and Veterinary Medicine, Faculty of Veterinary Medicine, Mănăștur St., nr. 3-5, 400037, Cluj-Napoca, Romania. https://orcid.org/0000-0002-2306-3624

DOI:

https://doi.org/10.24193/subbchem.2025.4.04

Keywords:

adsorption, clinoptilolite, ZNR (natural zeolite from Rupea), Turbidex, wastewater

Abstract

The present study aimed to evaluate the efficacy of two filtration media—Rupea natural zeolite (ZNR) and Turbidex—in reducing the pollutant load of wastewater from agro-zootechnical units. Both media were tested under identical operational conditions to explore their potential for sustainable wastewater valorization with minimal environmental impact. Results showed that ZNR exhibited higher adsorption rates for nitrites, nitrates, and ammonium, whereas Turbidex achieved greater retention for COD, total suspended solids (TSS), and turbidity. Filtration through both zeolitic media effectively reduced microbial loads, as indicated by the elimination of coliform bacteria and enterococci, along with a significant decrease in heterotrophic plate counts at 22°C and 37°C. These findings demonstrate the potential of small-scale zeolite filtration systems as eco-friendly solutions for agro - zootechnical wastewater treatment.

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STUDIA UBB CHEMIA, Volume 70 (LXX), No. 4, December 2025

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Published

2025-12-16

How to Cite

OGNEAN, S. I., PANTEA, E. V., MICLE, V., & FENEȘAN, D.-M.-E. (2025). EFFICIENCY ANALYSIS OF SOME ZEOLITE MEDIA IN THE TREATMENT OF TECHNOLOGICAL WASTEWATER IN AGRO-ZOOTECHNICAL UNITS. Studia Universitatis Babeș-Bolyai Chemia, 70(4), 57–74. https://doi.org/10.24193/subbchem.2025.4.04