Tion model, which the pseudosecondary model, which indicates that chemical be explained was extra dominant.

Tion model, which the pseudosecondary model, which indicates that chemical be explained was extra dominant. fixation mechanism of Cs in alkaliactivated fly ashmechanism of Cs by the fact that the This could be explained by the truth that the fixation is controlled by the in cation exchange fly ash is controlled by the cation exchange mechanism [42]. alkaliactivated mechanism [42]. 0 1 two ln(qeqt) 3 four five six 0 2 4 t(h)Figure 6. Pseudofirstorder linear kinetic model of Cs adsorption around the fly ashbased geomaterials Figure slagbased geomaterials. kinetic model of Cs adsorption on the fly ashbased geomaterials and 6. Pseudofirstorder linear and slagbased geomaterials.y = 0.0362x 3.974 R= 0.6936 y = 0.1812x 3.4566 R= 0.9994 six 8Fly ash SlagAppl. Sci.Sci. 2021, 11, 8407 Appl. 2021, 11, x FOR PEER REVIEW13 of 18 17 12 of450 400 350 300 t/qt 250 200 150 one hundred 50 0 0 5 10 15 t(h)Figure 7. Pseudosecondorder linear kinetic model of Cs adsorption on the fly ashbased geomateriFigureand slagbased geomaterials. als 7. Pseudosecondorder linear kinetic model of Cs adsorption around the fly ashbased geomaterials and slagbased geomaterials. Table three. Parameters for two kinetic models of Cs adsorption by fly ashbased geomaterials and Table 3. Parameters for two kinetic models of Cs adsorption by fly ashbased geomaterials and slagbased geomaterials. slagbased geomaterials.y = 15.658x 19.769 R= 0.9989 Fly ash y = 11.652x 10.582 R= 0.9955 SlagSample Fly ash Slagqexp (mg/g) 83.68 60.PseudoFirstOrder PseudoSecondOrder PseudoFirstOrder PseudoSecondOrder qexp k1 qe k2 qe Sample qe qe k2 R2 k1 R two R2 R2 1 (mg 1) (mg/g)(h1)(mg 1 ) (g g1 (g)mg1 1 ) 1 ) (mg 1) 1 ) (h (mg 0.0362053.20 0.6936 12.83 Fly 53.20 83.68 ash 0.03620 85.82 0.6936 85.82 12.83 0.9955 0.9955 60.67 60.930.1812 60.67 0.9994 12.40 Slag 0.1812 31.71 0.9994 31.71 12.40 0.9989 0.9989 3.4. Adsorption Isotherm Study three.4. Adsorption Isotherm Study The adsorption isotherm is is normally used to reflect theperformance of the adsorbent in the adsorption isotherm generally utilised to reflect the functionality of your adsorbent within the adsorption approach. So as to quantify the adsorption (S)-Venlafaxine Epigenetic Reader Domain capacity of of the adsorbent to the adsorption process. In order to quantify the adsorption capacity the adsorbent to eliminate Cs,Cs, Langmuir and Freundlich’s isotherms have been utilised this study. Under optimal take away Langmuir and Freundlich’s isotherms were employed in within this study. Under optimal adsorption conditions (pH of 8, speak to time of 24 h, h, adsorbent dosage0.6 g), the adsorpadsorption situations (pH of eight, contact time of 24 adsorbent dosage of of 0.6 g), the adsorption isotherm model of Cs geopolymer was established in the initial concentrations tion isotherm model of Cs on the around the geopolymer was established at the initial concentrations of five ppm,ppm, 30 ppm, and 30 ppm. and 40 ppm. The outcomes in the of five ppm, 10 ppm, 20 10 ppm, 20 ppm, 40 ppm, The results of the adsorption information adsorption data investigated by the Langmuir and Freundlich in Figures 8 and 9, respecinvestigated by the Langmuir and Freundlich models are shown models are shown in Figures eight and 9, respectively. such as the correlation coefficient (R2 ), are 1-Dodecanol-d25 Technical Information offered in Table four. tively. Other parameters, Other parameters, such as the correlation coefficient (R2), areThe correlation coefficient shows that the Langmuir isotherm can describe the adsorption offered in Table 4. The correlation coefficient shows that the Langmuir isotherm can describe greater than Freundlich’s isothe.