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Electrospun nanofiber chitosan/polyvinyl alcohol loaded with metal organic framework nanofiber for efficient adsorption and removal of industrial dyes from waste water: Adsorption isotherm, kinetic, thermodynamic, and optimization via Box-Behnken design.
Int J Biol Macromol
January 2025
Department of Chemistry, Faculty of Science, University of Tabuk, Tabuk 71421, Saudi Arabia. Electronic address:
Dyes can seriously harm human health because they linger or break down in the environment and find their way into drinking water through the water cycle. Examples of the most important interactions between MOFs and dyes are provided, and an effort is made to comprehend how surface charge and size compatibility affect the adsorption process. The methods for incorporating functionalized Ce-MOF into electrospun nanofibers made of polyvinyl alcohol and chitosan to create functionalized cerium metal organic framework nanofiber membranes (FCCP nanofiber membranes) are presented in this paper.
View Article and Find Full Text PDFEffective removal of As from aqueous medium using date palm fiber biochar/chitosan/glutamine nanocomposite: kinetic and thermodynamic studies.
Environ Sci Pollut Res Int
January 2025
Chemistry Department, Faculty of Science, Damanhour University, Damanhour, Egypt.
In the current work, three adsorbent materials were developed: biochar derived from date palm fiber (C), date palm fiber biochar/chitosan nanoparticles (CCS), and biochar/chitosan nanoparticle composite supplemented with glutamine (CCSG). These compounds were used as solid adsorbents to remove As from polluted water. Several characterization approaches were used to investigate all the synthesized solid adsorbents, including thermogravimetric analysis, N adsorption/desorption isotherm, scanning electron microscopy, transmission electron microscopy (TEM), attenuated total reflectance with Fourier transform infrared, and zeta potential.
View Article and Find Full Text PDFSpontaneous Hydrogen Production Coupled with Glucose Valorization through Modulating Au-Pt Coordination on Ultrathin Au3Pt Twin Nanowires.
Angew Chem Int Ed Engl
January 2025
Huazhong University of Science and Technology, School of Materials Science and Engineering, 1037 Luoyu Road, 430074, Wuhan, CHINA.
Organics electrooxidation coupled hydrogen production has attracted increasing attention due to the low operation voltage. Nevertheless, the spontaneous production of hydrogen coupled with organics valorization remains challenging. Herein, we develop ultrathin Au/Pt twin nanowire (NW) catalysts for both electrochemical glucose oxidation and hydrogen evolution reaction towards a spontaneous hydrogen production system.
View Article and Find Full Text PDFMethylene blue and malachite green dyes adsorption onto /bentonite/tripolyphosphate.
Heliyon
January 2025
Department of Nutrition and Dietetics, Faculty of Health Science, Mardin Artuklu University, Mardin, Turkey.
In the current research mushroom/bentonite clay (RDBNC) as a low-cost bionanosorbent was investigated for adsorption of methylene blue (MB) and malachite green (MG) dye from contaminated water. The bionanosorbent was characterized by Fourier transform infrared (FTIR), X-ray diffraction (XRD), Scanning electron microscopy (FESEM), Thermal Gravimetric Analysis (TGA), and Zeta-potential techniques. Adsorption experiments of RDBNC for MB, MG dyes following Freundlich isotherm and pseudo second order kinetic models.
View Article and Find Full Text PDFBiosorption of cobalt (II) from an aqueous solution over acid modified date seed biochar: an experimental and mass transfer studies.
Environ Sci Pollut Res Int
January 2025
Department of Chemical Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India.
Water pollution because of the presence of heavy metals remains a serious worry. The present work demonstrates the exclusion of cobalt ion (or Co(II)) from water using novel and cost-effective biosorbents. Initially, the biosorbent was chemically modified using orthophosphoric acid and then subjected to calcination to result acid modified date seed biochar (AMDB).
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