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Journals / Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi / 2015 / Cilt: 30 - Sayı: 1

Investigation of Adsorption of Reactive Black 5 Dye onto Activated Carbon by Using Kinetic and Adsorption Models

Reaktif Black 5 Boyar Maddesinin Aktif Karbon Üzerine Adsorpsiyonunun Kinetik ve Adsorpsiyon Modelleri Kullanılarak İncelenmesi

Fatma Elçin ERKURT
BEHZAT BALCI
Pages
257–269
DOI
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AI Summary & Key Takeaways

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

It was determined that GAC dosage was effective on adsorption kinetic.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study the adsorption of Reactive Black 5 (RB5) dye onto granulated activated carbon (GAC) has been studied in batch experiments. 17 different adsorption isotherms which have two and more than two parameters have been used to explain the adsorption process.
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Key Findings & Data:Greater than 0.99 regression coefficients were obtained from Freundlich, Halsey and Henderson isotherms, defining adsorption of heterogeneous surfaces, among two parameters models.
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Conclusion & Impact:It was determined that GAC dosage was effective on adsorption kinetic.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study the adsorption of Reactive Black 5 (RB5) dye onto granulated activated carbon (GAC) has been studied in batch experiments. 17 different adsorption isotherms which have two and more than two parameters have been used to explain the adsorption process. Greater than 0.99 regression coefficients were obtained from Freundlich, Halsey and Henderson isotherms, defining adsorption of heterogeneous surfaces, among two parameters models. The highest regression coefficient (0,998) was obtained from four parameters Fritz–Schlunder model among all adsorption isotherms. Langmuir isotherm predicted 23.58 mg/g maximum adsorption of GAC. The model that best describes the adsorption kinetics was found as the pseudo second order model. It was determined that GAC dosage was effective on adsorption kinetic.

Özet

Bu çalışmada Reaktif Black 5 (RB5) boyar maddesinin granül aktif karbon (GAK) üzerine kesikli deneyler ile adsorpsiyonu çalışılmıştır. Adsorpsiyon sürecini açıklayabilmek için iki ve ikiden fazla parametreli olmak üzere toplam 17 farklı izoterm modeli kullanılmıştır. İki parametreli modeller arasında 0,99‟dan büyük regresyon katsayıları, heterojen yüzey adsorpsiyon süreçlerinin tanımlanmasında kullanılan Freundlich, Halsey ve Henderson izotermlerinden elde edilmiştir. Tüm adsorpsiyon izotermleri arasında en yüksek regresyon katsayısı (0,998) Fritz-Schlunder modelinden hesaplanmıştır. Langmuir izotermi GAK‟ın maksimum adsorpsiyon kapasitesini 23,58 mg/g olarak tahmin etmiştir. Adsorpsiyon kinetiğini en iyi açıklayan modelin yalancı ikinci derece kinetik eşitliği olduğu bulunmuştur. Adsorpsiyon kinetiği üzerine GAK dozunun etkili olduğu tespit edilmiştir.

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Cite This Article

ERKURT, F. E., BALCI, B. (2015). Investigation of Adsorption of Reactive Black 5 Dye onto Activated Carbon by Using Kinetic and Adsorption Models. Çukurova Üniversitesi Mühendislik-Mimarlik Fakültesi Dergisi, Cilt: 30 - Sayı: 1, 257–269. https://ajindex.com/articles/350322

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