• Ramadan, Marwa A.
• Abd-Elghany, Amr
• Mohamad, Ebtesam Abd Elghany
• Alomari, Ahmad Khaleel
• El-Wakeel, Shaimaa T.

Abstract

<jats:title>Abstract</jats:title><jats:p>Heavy metals and pathogens from contaminated water sources may undoubtedly be removed by creating an efficient bio-adsorbent based on functional spots. Thus, the goal of this work was to produce chitosan (Ch)-polyvinyl alcohol (PVA) biofilm decorated with graphene oxide (GO) sheets doped with silver nanoparticles (AgNPs). The nanostructure of prepared GO/Ag nanosheets is examined by transmission electron microscope (TEM). The fabricated film (GO/Ag Ch-PVA) is compared by the control films (Ch, PVA and Ch-PVA). Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and tensile strength are used to study the films' structure. Also, the antimicrobial activity was assessed for the films. After doping the polymer matrix with GO/Ag, the obtained findings were compared to other control films, and it was discovered that the tensile strength increased to about 46.18 MPa. &amp;#xD;Moreover, the adsorption experiment for arsenic As (III) ions is explored by the prepared film at different operating conditions. The obtained results validated the enhanced adsorption ability of the GO/Ag Ch-PVA film towards As (III) with the highest adsorption capacity of 54.3 mg/g obtained from the isotherm model of Langmuir. Moreover, kinetic mathematical models for the adsorption effectiveness of GO/Ag Ch-PVA film are proposed. The results gathered demonstrated that GO/Ag Ch-PVA film is a potentially useful material for eliminating As (III) and microbial strains from essential water resource applications. &amp;#xD;</jats:p>

Topics

• nanoparticle
• nanocomposite
• impedance spectroscopy
• polymer
• silver
• x-ray diffraction
• experiment
• strength
• transmission electron microscopy
• tensile strength
• alcohol
• Arsenic