Research Article

Hybrid Monolith of Graphene/TEMPO-Oxidized Cellulose Nanofiber as Mechanically Robust, Highly Functional, and Recyclable Adsorbent of Methylene Blue Dye

Table 2

Adsorption kinetics parameters of hybrid monolith for MB dye.

Sample (ID)Pseudo-first-order modelPseudo-second-order model
(mg g−1)

(min−1)

(mg g−1)

(g mg−1 min−1)

(mg g−1)

GO/CNF30.0039615.680.9640.0001388.410.99583.4
GO/CNF50.0043535.420.9840.0001892.760.99988.94
GO/CNF70.0053894.950.9680.0002993.280.99995.88

Conditions: Co = 100 mg L−1; pH = 6.56; = 303 K; dosage = 1.11 g L−1.