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Table 2

Kinetic adsorption parameters for Cd(II) adsorbed on the two resins

ResinsT (K)QexpPseudo-first-order model
Pseudo-second-order model
Intraparticle diffusion
k1(10−2)QeR2k2(10−3)QeR2kpR2
CEPR 303 43.19 1.430 14.06 0.9651 3.504 43.78 0.9995 0.851 0.7974 
323 45.09 1.322 13.09 0.9706 3.423 45.64 0.9994 0.752 0.8281 
343 47.01 1.508 12.72 0.9781 4.159 47.48 0.9996 0.660 0.8341 
MCER 303 43.19 1.833 10.35 0.9537 5.451 43.67 0.9997 0.639 0.7405 
323 45.11 1.780 9.28 0.9607 6.585 45.47 0.9998 0.537 0.7458 
343 47.02 1.191 7.84 0.9659 8.999 47.30 0.9999 0.436 0.7059 
ResinsT (K)QexpPseudo-first-order model
Pseudo-second-order model
Intraparticle diffusion
k1(10−2)QeR2k2(10−3)QeR2kpR2
CEPR 303 43.19 1.430 14.06 0.9651 3.504 43.78 0.9995 0.851 0.7974 
323 45.09 1.322 13.09 0.9706 3.423 45.64 0.9994 0.752 0.8281 
343 47.01 1.508 12.72 0.9781 4.159 47.48 0.9996 0.660 0.8341 
MCER 303 43.19 1.833 10.35 0.9537 5.451 43.67 0.9997 0.639 0.7405 
323 45.11 1.780 9.28 0.9607 6.585 45.47 0.9998 0.537 0.7458 
343 47.02 1.191 7.84 0.9659 8.999 47.30 0.9999 0.436 0.7059 
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