This research presents the investigation of binding behaviour of the lichen Umbilicaria decussata biomass toward AB294 in aqueous solutions. The effects of various variables such as pH, initial AB294 concentration, time and temperature on the AB294 binding were tested. The Langmuir and Freundlich binding isotherm models were applied for the characterization of interactions between AB294 and lichen Umbilicaria decussata biomass. The obtained results showed that AB294 binding to the lichen Umbilicaria decussata biomass is well described by the Langmuir binding isotherm. The Langmuir constant KL for AB294 was calculated as 0.337 Lmg-1. The maximum binding capacity of the lichen bimass toward AB294 was calculated to be as 25.6 mgg-1 biomass at pH 1.0 within 2 h. The pseudo-first-order pseudo-second-order kinetic and intraparticle diffusion models were also used to investigate the AB294 binding mechanism. The mechanism of AB294 binding to the lichen Umbilicaria decussata biomass is well suited to the pseudo-second-order kinetic model. The obtained results showed that lichens are potentially efficient biomaterials for the removal of dye compounds from contaminated water samples
Bu çalışmada liken Umbilicaria decussata biyokütlesinin sulu çözeltilerde AB294’e karşı bağlanma davranışı araştırılmıştır. AB294 bağlanmasına pH, başlangıç AB294 konsantrasyonu, zaman ve sıcaklığın etkisi incelenmiştir. Liken Umbilicaria decussata biyokütlesi ve AB294 arasındaki etkileşimin karakterizasyonu Langmuir ve Freundlich bağlanma izotermleri kullanılarak gerçekleştirilmiştir. Elde edilen sonuçlar liken Umbilicaria decussata biyokütlesi ve AB294 arasındaki etkileşimin Langmuir bağlanma izotermine uyduğunu göstermiştir. AB294 için Langmuir sabiti 25.6 mgg-1biyokütle olarak hesaplanmıştır. Ayrıca, AB294 bağlanma mekanizmasının araştırılması amacıyla yalancı birinci-derece, yalancı ikinci-derece kinetik ve intra-partikül difüzyon modelleri de uygulanmıştır. Liken Umbilicaria decussata biyokütlesine AB294 bağlanmasının yalancı ikinci-derece kinetik modele uyduğu tespit edilmiştir. Elde edilen sonuçlar kontamine su numunelerinden boyar bileşiklerin uzaklaştırılmasında likenlerin potansiyel etkili biyomateryaller olduğunu göstermiştir
Primary Language | English |
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Journal Section | Research Article |
Authors | |
Publication Date | December 15, 2016 |
Published in Issue | Year 2016 Volume: 9 Issue: 3 |
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Web of Science {Zoological Records Indexed] Clavariate Analytic, Medical Reads (RRS), CrossRef;10.46309/biodicon.
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❖ Biological Diversity and Conservation/ Biyolojik Çeşitlilik ve Koruma
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