Amberlyst A21 İle Everzol Black Boyasının Adsorpsiyonu: İzoterm ve Kinetik Çalışmalar

Abstract

ÖZBu çalışmada Everzol Black boyasının sulu çözelt ortamından g der m Amberlyst A21 le ncelenm şt r. pH, temas süres ve başlangıç boya der ş m g b değ ş k parametreler n boya adsorps yonu üzer ne etk ler çalışılmıştır. Langmu r, Freundl ch ve Temk n zoterm modeller denge adsorps yon ver ler n n anal z ç n kullanılmıştır. Ayrıca adsorps yon k net k ver ler yalancı b r nc ve k nc dereceden k net k modeller kullanılarak ncelenm şt r. Çalışma sonuçlarına göre Amberlyst A21 le Everzol Black g der m Langmu r zoterm model ve yalancı b r nc dereceden adsorps yon k net ğ le tanımlanab l r. Anahtar Kel meler:Adsorps yon, Amberlyst A21, Everzol Black, İzoterm, K net k Adsorption of Everzol Black by Using Amberlyst A21: Isotherm and Kinetic Studies ABSTRACTIn th s paper, removal of Everzol Black dye from aqueous solut ons was nvest gated w th Amberlyst A21. The effects of d fferent parameters such as pH, contact t me and n t al dye concentrat on on dye adsorpt on were stud ed. Langmu r, Freundl ch and Temk n sotherm models were used to analyze the equ l br um data. Also, adsorpt on k net c data were tested us ng pseudo-f rst order and pseudo-second order models. Accord ng to the results of the study, removal of Everzol Black dye w th Amberlyst A21 can be descr bed w th Langmu r sotherm model and pseudo-f rst order k net c model.

Experimental Data and Modeling for the Adsorption/Desorption of Tetracycline and Diclofenac on the Agricultural Soils

“…The kinetic models are important because they control the time to equilibrium and the efficiency of the process. It also defines the uptake rate of the pollutant on the adsorbent surface [19]. This study, the kinetic models of TC and DCF on the soils S1 and S2 was investigated.…”

“…where qt and qa are the adsorption capacity at time t and equilibrium, respectively (mg/g); q1 (mg/g) and kD1 (min -1 ) are two parameters showing the adsorption capacity and the adsorption rate of the rapid step; q2 (mg/g) and kD2 (g/mg.min) are the corresponding parameters of the slow step [19,20]. According to Figure 1; the model prediction was in good agreement with the experimental data and the parameters are showed in Table 3.…”