Kalsinasyonun Mg-Fe Hidrotalsit (Feht) Üzerindeki Etkisinin Araştırılması
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Date
2020
Authors
Journal Title
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Publisher
Selçuk Üniversitesi Mühendislik Fakültesi
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info:eu-repo/semantics/openAccess
Abstract
Adsorpsiyon, sularda bulunan kirleticilerin giderilmesinde etkili ve basit bir tekniktir. Bu çalışmada sularda bulunan kirletici anyonların giderilmesinde kullanılmak üzere yüksek yüzey alanlı özgün bir adsorbentin geliştirilmesi ve karakterizasyonunun yapılması amaçlanmıştır. Bu doğrultuda çift tabakalı hidroksit olarak da bilinen Fe-Hidrotalsitin kalsinasyonu incelenmiştir. FeHT ve K-FeHT numuneleri; Xışını difraktogramı (XRD), termal gravimetrik analiz (TGA), diferansiyel taramalı kalorimetre (DSC), taramalı elektron mikroskopu (SEM), tane boyut analizi ve Brunauer-Emmett-Teller (BET) yüzey alan ölçümleri ile karakterize edilmiştir. Kalsine FeHT’nin özgül yüzey alanının kalsinasyon sıcaklığı ve süresinden etkilendiği gözlemlenmiştir. Kalsinasyon sonucunca tabakalar arasındaki H2O, OH ve CO2 içeriklerinin kaybolarak periklaz yapılarının oluştukları belirlenmiştir. Optimum kalsinasyon şartlarında FeHT’nin yüzey alanı yaklaşık iki kat arttırılmıştır.
Adsorption is an effective and simple technique for removing contaminants in water. The development and characterization of the novel adsorbent with high surface area, which is effective for removal of arsenic from water, was targeted. For this purpose, calcination conditions on the structure of FeHT, known as LDH was investigated. Fe-Hydrotalcite (FeHT) and calcined Fe-Hydrotalcite (K-FeHT) were characterized by X-ray diffraction (XRD), thermogravimetry (TGA), differantial scanning calorimeter (DSC), scanning electron microscopy (SEM), particle size analysis and Brunauer-Emmett- Teller (BET) spesific surface area analysis. It was observed that the specific surface area of K-FeHT significantly affected by the calcination temperature and time. As a result of the calcination, H2O, OH and CO2 contents between the layers were disappeared, and periclase structures was formed. The surface area was approximately doubled at optimum calcination conditions.
Adsorption is an effective and simple technique for removing contaminants in water. The development and characterization of the novel adsorbent with high surface area, which is effective for removal of arsenic from water, was targeted. For this purpose, calcination conditions on the structure of FeHT, known as LDH was investigated. Fe-Hydrotalcite (FeHT) and calcined Fe-Hydrotalcite (K-FeHT) were characterized by X-ray diffraction (XRD), thermogravimetry (TGA), differantial scanning calorimeter (DSC), scanning electron microscopy (SEM), particle size analysis and Brunauer-Emmett- Teller (BET) spesific surface area analysis. It was observed that the specific surface area of K-FeHT significantly affected by the calcination temperature and time. As a result of the calcination, H2O, OH and CO2 contents between the layers were disappeared, and periclase structures was formed. The surface area was approximately doubled at optimum calcination conditions.
Description
Keywords
Fe-Hidrotalsit (FeHT), Kalsinasyon, Karakterizasyon, Fe-Hydrotalcite (FeHT), Calcination, Characterization
Journal or Series
Selçuk Üniversitesi Mühendislik, Bilim ve Teknoloji Dergisi
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Volume
8
Issue
2
Citation
Boyraz, T., Türk, T., Alp, İ. (2020), Kalsinasyonun Mg-Fe Hidrotalsit (FeHT) Üzerindeki Etkisinin Araştırılması. Konya Mühendislik Bilimleri Dergisi. 8,(2), 318-327.
