Hamza Alkan ARSLAN, Mehmet Ekrem Cakmak, OLCAYTO KESKİNKAN, Mesut BAŞIBÜYÜK

İnvestigation of the kinetic properties of the biosorption of basic blue 41 by live activated sludge

Bu çalısmada Bazik mavi 41 boyar maddesinin canlı aktif çamur tarafından adsorpsiyonu ile ilgili kinetik özellikleri incelenmistir. Bu amaçla kinetik çalısmalar farklı baslangıç boyar madde konsantrasyonları için gerçeklestirilmistir. Elde edilen sonuçlara gore adsorpsiyonun baslangıç basamağı film difüzyonu tarafından kontrol edilmekte olup birinci derece kinetiğe uymaktadır. Ayrıca parçacık içi difüzyonun da adsorpsiyon üzerine olan etkis de incelenmis ve adsorpsiyonda önemli olduğu görülmüstür. Yapılan kinetik çalısmalarda tüm adsorpsiyon prosesin yalancı ikinci derece modele mükemmel uyduğu görülmüstür. Çamur boya sisteminin ayrıca Gibbs serbest enerjisi de hesaplanmıs ve negatif değer bulunmustur.

Bazik Mavi 41 boyar maddesinin canlı aktif çamur tarafından biyorsorpsiyonunun kinetik özelliklerinin incelenmesi

This work investigates the kinetic properties of the adsorption of the Basic Blue 41 by live activated sludge. For this purpose kinetic studies were performed for various initial dye concentrations. According to results obtained it was found that initial part of the adsorption governed by film diffusion and fit to the first order process. The effect of the intraparticle diffusion on adsorption process was also examined. Results also showed that intraparticle diffusion played significant role. It was also found that pseudo second order model gave excellent results for the overall adsorption process. Gibbs free energy value of the dye-sludge system was calculated and the negative value was found.

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