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Synthesis of Novel Antibacterial Grafted Sodium Alginate Copolymer-based Adsorbent for Wastewater Treatment by Hebatallah Darwesh; Riham R. Mohamed; Soliman M. A. Soliman is a Materials Science article available to read on EtoBox.

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Abstract Grafting of styrene (S) onto biopolymer Sodium Alginate (NaAlg) via free-radical polymerization forming (NaAlg-g-PS), using potassium persulfate K2S2O8 (KPS) as initiator. Fourier-transform infrared spectroscopy (FT-IR) and Proton nuclear magnetic resonance (1H-NMR) characterized the formed grafted copolymer and scanning electron microscope (SEM) to show changes in the surface morphology of sodium alginate, which occurred due to the grafting process. The effect of various grafting parameters on Sodium Alginate as; Styrene and KPS concentration, the grafting temperature, and grafting time is studied. The adsorption of the grafted copolymer to both cationic dye (Malachite Green) and anionic dye (Congo Red) was investigated. In addition to the effect of the adsorption of the grafted copolymer for toxic heavy metals such as Cu2+, Cr6+, Ni2+, and Co2+. The order of the metal adsorption by grafted copolymer is Cr6+ > Cu2+ > Co2+ > Ni2+. The biological activity of the grafted copolymer was shown toward Neisseria gonorrhoeae (Gram-negative), and Bacillus subtilis (Gram-positive) using the agar diffusion method. The obtained results showed excellent improvement in the antibacterial

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Author

Hebatallah Darwesh; Riham R. Mohamed; Soliman M. A. Soliman

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)