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Journals / Gazi University Journal of Science / 2026 / Volume: 38 Issue: 4

Eco-Friendly Chromium Removal from Tannery Wastewater Using Oak Acorn Waste

Mehmet Sadrettin Zeybek(MANİSA CELÂL BAYAR ÜNİVERSİTESİ)0000-0002-4753-1226
Murat Çanlı(KIRŞEHİR AHİ EVRAN ÜNİVERSİTESİ)0000-0002-5275-861X
Taliha Banu Öztekin(MANİSA CELÂL BAYAR ÜNİVERSİTESİ)0009-0006-5707-212X
Yüksel Abalı(MANİSA CELÂL BAYAR ÜNİVERSİTESİ)0000-0002-4165-8656
Pages
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Publication Date
2025-12-01
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The outputs of adsorption using oak acorn waste for COD, SS, BOD and chromium (VI) respectively about 1%, 17%, 12.5%, 12% was obtained.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Chromium (VI) is a heavy metal which is the cause of water pollution and toxic effect on the living structures.
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Key Findings & Data:Optimum conditions of stirring rate, pH, particular size of adsorbent, starting concentration, amount of adsorbent, mixing time and temperature for effective chromium removal were determined.
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Conclusion & Impact:The outputs of adsorption using oak acorn waste for COD, SS, BOD and chromium (VI) respectively about 1%, 17%, 12.5%, 12% was obtained.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Leather wastewater · Chromium · Oak acorn waste

Abstract

Chromium (VI) is a heavy metal which is the cause of water pollution and toxic effect on the living structures. In this study, the adsorption of Cr (VI) and the removal of other pollution parameters were investigated using natural adsorbent as waste acorn of Quercus ithaburensis (Oak tree) which was produced by valeks industries. The study consists of two experimental parts. In the first part, principal factors affecting the adsorption were investigated by batch experiment methods. Optimum conditions of stirring rate, pH, particular size of adsorbent, starting concentration, amount of adsorbent, mixing time and temperature for effective chromium removal were determined. The best adsorption conditions were found as 10 min contact time at 7 of pH with 550 rpm stirring rate in 100 ml sample volume using 1.00 g of adsorbent. In the second part, adsorption tests were exercised with wastewater under pre-determined optimum conditions for the adsorbent. Experimental studies were taken place on the removal of COD (Chemical Oxygen Demand), SS (Suspend Solid), BOD (Biological Oxygen Demand) and chromium (VI) from composite sample of the tannery wastewater. The outputs of adsorption using oak acorn waste for COD, SS, BOD and chromium (VI) respectively about 1%, 17%, 12.5%, 12% was obtained.

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Cite This Article

Zeybek, M. S., Çanlı, M., Öztekin, T. B., Abalı, Y., *, M. Ç. (2025). Eco-Friendly Chromium Removal from Tannery Wastewater Using Oak Acorn Waste. Gazi University Journal of Science, Volume: 38 Issue: 4. https://doi.org/10.35378/gujs.1322009

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