Abstract
The composite was made by free radical polymerization of graphene oxide and acrylic acid, with microcrystalline cellulose and acryl amid serving as the monomer, N, N-methylene bis- acryl amide (MBA) as the cross linker and potassium persulfate (KPS) as the initiator. Graphene oxide/ poly (acrylic acid-acryl amid-microcrystalline cellulose) [GO/P(AA-AM-MCC)] super adsorbent composite characterized by Fourier transform infrared (FTIR) Field emission scanning electron microscopy (FESEM) Acute Flaccid Myelitis (AFM) Differential scanning calorimetry (DSC) thermogravimetric analysis (TGA) and Brunauer–Emmett–Teller (BET). A sulfadiazine drug (SFDH) was removed from an aqueous solution using the synthesized composite as an adsorbent. To learn more about the adsorption process, we used data from the Langmuir and Freundlich models equation. The study clarified the impact of some parameters, such as adsorbate weight at the range of 0.01–0.1 g, and equilibrium time at the range (1–360) minutes. It is found that the best weight of adsorbate was 0.05 gm and a contact time was 120 minutes. Adsorption appears to follow the Freundlich and Langmuir isotherms; the kinetics of drug adsorption have been investigated using pseudo-first order and pseudo-second order rate expressions. The synthesized adsorbent also demonstrated a very high release rate and high removal efficiency of the drug SFDH from its aqueous solution.
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