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Table 1 Kinetic parameters for the adsorption of amaranth onto ZnAlLa-400CLDH

From: Carbonaceous composite materials from calcination of azo dye-adsorbed layered double hydroxide with enhanced photocatalytic efficiency for removal of Ibuprofen in water

Sampleqe, exp (mg/g)Pseudo-first-order modelPseudo-second-order model
qe,cal (mg/g)k1 (min−1)R2qe,cal (mg/g)k2 (*10−4 g mg−1 min−1)R2
ZnAlLa-400CLDH100100.10.0250.999114.02.8530.988