Journals / Ekoloji / 2012 / Cilt: 21 - Sayı: 85

Adsorption of diclofenac and paracetamol by activated sludge

Diklofenak ve parasetamol’ün aktif çamur tarafından adsorbsiyonu

Journal
Ekoloji
Pages
41–48
Publication Date
2022-10-17
DOI
—
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AI Summary & Key Takeaways

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

It was found that the adsorption took place substantially at the first 20 to 40 minutes of the contact time and reached steady-state for both pharmaceuticals tested.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the removal properties of two anti-inflammatory pharmaceuticals namely diclofenac and paracetamol through the adsorption by activated sludge were investigated in a batch system.
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Key Findings & Data:It was found that the adsorption took place substantially at the first 20 to 40 minutes of the contact time and reached steady-state for both pharmaceuticals tested.
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Conclusion & Impact:Results showed that both pharmaceuticals exhibited moderate adsorption potential by activated sludge.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, the removal properties of two anti-inflammatory pharmaceuticals namely diclofenac and paracetamol through the adsorption by activated sludge were investigated in a batch system. Each pharmaceutical was found to be adsorbed by the activated sludge. It was found that the adsorption took place substantially at the first 20 to 40 minutes of the contact time and reached steady-state for both pharmaceuticals tested. Results obtained from the equilibrium experiments fitted to Freundlich isotherm model and Freundlich isotherm constants Kf and n were found 0.16 L $mg^{-1}$ ve 0.87 for diclofenac and 0.56 L $mg^{-1}$ ve 1.24 for paracetamol respectively. Sorption coefficient Kd, and octanol-water partition coefficient (Kow) were also calculated for each pharmaceutical and compared with similar studies. Results showed that both pharmaceuticals exhibited moderate adsorption potential by activated sludge.

Özet

Bu çalışmada, ağrı kesici grubundan olan tıbbi ilaçlardan diklofenak ve parasetamol’ün kesikli sistemde aktif çamur tarafından adsorbsiyonla giderim özellikleri incelenmiştir. Her bir ilacın aktif çamur tarafından adsorblandığı ve adsorbsiyon işleminin büyük oranda ilk 20-40 dakika içerisinde gerçekleştiği tespit edilmiştir. Yapılan denge deneylerinde elde edilen sonuçlar Freundlich izoterm modeline uyduğu görülmüş ve Kf ve n değerleri sırasıyla diklofenak için 0,16 L $mg^{-1}$ ve 0,87 ve parasetamol için ise 0,56 L $mg^{-1}$ ve 1,24 olarak hesaplanmıştır. Çalışmada ayrıca her bir ilaç için adsorbsiyon katsayıları (Kd) ve oktanol-su ayrışma katsayıları (Kow) hesaplanmış, elde edilen değerlerin diğer çalışmalarla kıyaslanması sonucunda diklofenak ve parasetamol’ün aktif çamur tarafından orta şiddette adsorplanma potansiyeli gösterdiği görülmüştür.

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Cite This Article

BASIBUYUK, M., KABAK, H. (2022). Adsorption of diclofenac and paracetamol by activated sludge. Ekoloji, Cilt: 21 - Sayı: 85, 41–48. https://ajindex.com/articles/499261

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