Efficient and Rapid Adsorption Characteristics of Templating Xanthan Gum-Graft-Poly (Aniline) and Silica Nanocomposite toward Removal of Toxic Methylene Blue Dyes

Abstract

Abstract-Conductingpolymer composites with micro/nanostructures have attracted significant academic and technological attention because of their unique physical properties and potential applications in nanoelectronics, electromagnetics, and biomedical devices. This paper deals with application of sol-gel synthesis of xanthan gum-graft-poly (aniline)/silica (XG-g-PANi/SiO 2 ) hybrid nanocomposite toward the rapid removal of methylene blue dyes from aqueous solution. XG-g-PANi being act as a novel template for nanosilica formation. The detailed investigation of the adsorption isotherms of methylene blue dyes from aqueous solution showed that the dyes adsorb in accordance with a Langmuir adsorption isotherm. The results indicate that xanthan gum-graft-poly (aniline)/silica (XG-g-PANi/SiO 2 ) hybrid nanocomposite can be used as an effective adsorbent for removal of dyes from textile effluents.Highlights ► Xanthan gum-graft-poly (aniline)/silica hybrid nanocomposite -an eco-friendly polymer matrix for the treatment of dye effluents. ► The nanocomposite decolorized 99% of dye bath effluent. ► The removal of dyes is largely depending on the solution pH. ► The removal process followed Langmuir isotherm.

Jujube stones based highly efficient activated carbon for methylene blue adsorption: Kinetics and isotherms modeling, thermodynamics and mechanism study, optimization via response surface methodology and machine learning approaches

“…It is therefore crucial to treat them before their evacuation into the ecosystem (Jawad et al 2020a) Methylene Blue is a cationic dye widely used in the industrial field to dye wool, cotton and many other fabrics in the textile industry. It is also used as a coloring agent in the paper J o u r n a l P r e -p r o o f industry and in cosmetics for artificial hair dyeing (Pandey et al 2017). High exposure to methylene blue poses serious health hazards for the environment and humans.…”

“…High exposure to methylene blue poses serious health hazards for the environment and humans. It may provoke nausea, vomiting, breathing difficulties, allergy, heart rhythm disturbances, tissue necrosis, skin irritation, mental confusion and even cancer and dysfunction of brain, liver and central nervous system (Pandey et al 2017;Jawad et al 2018a). Researchers have, over the years, successfully developed a wide range of techniques for the methylene blue elimination such as electrochemical treatment (Teng et al 2020), ion exchange (Su et al 2022), photocatalytic degradation (González-Crisostomo et al 2022), membrane filtration (Bangari et al 2022), coagulation-flocculation (Ihaddaden et al 2022), and Fenton process (Ye et al 2022).…”