《Table 4 Thermodynamic parameters of adsorption》

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《"Study of Isothermal Equilibrium,Kinetics and Thermodynamics of Adsorptive Desulfurization on Synthesized Cu~ⅠY~ⅢY Zeolite"》

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On the basis of the KL obtained at different temperatures which are listed in Table 1，the values ofΔG can be deduced accordingly.As shown in Figure 12，the plots of ln KL against 1/T which are based on the data in Table 1show a good linear relationship，and then，the values ofΔH can be deduced by the slope of the lines.The adsorption rate and desorption rate will be equal，while the adsorbent and adsorbate would reach an equilibrium.Meanwhile，the thermodynamic parameters are obtained and listed in Table 4.Obviously，since eachΔH is negative，the adsorption of BT on the CuIYIIIY zeolite is an exothermic process.When eachΔG is also negative，then the adsorbates are eager to be adsorbed onto the surface of the adsorbents from solution and the adsorption process is spontaneous.