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Valorization of textile waste for removal of Cadmium from contaminated water.
Sci Rep
December 2024
Department of Biosystems and Technology, Swedish University of Agricultural Sciences, Alnarp, 23456, Sweden.
The rapid development in agriculture and industrial sectors has raised some serious global issues like heavy metals pollution of water resources. Cadmium (Cd) is amongst the major water pollutants worldwide. In this study, two novel sorbents were prepared by using post-consumer textile waste (PCTW).
View Article and Find Full Text PDFAdsorptive immobilization of cadmium and lead using unmodified and modified biochar: A review of the advances, synthesis, efficiency and mechanisms.
Chemosphere
February 2025
The Department of Environmental Science, The University of Arizona (UA), Tucson, Arizona 85721, USA; School of Natural Resources and Environment, NWAFU-UA Microcampus, Yangling, Shaanxi 712100, China. Electronic address:
Biochar is an environmentally friendly adsorbent material with excellent adsorption performance due to its extensive pore structure, large specific surface area, and numerous surface functional groups. It is commonly used to treat inorganic and organic pollutants. In recent years, with increasing focus on controlling soil pollution caused by heavy metals such as cadmium (Cd) and lead (Pb), the potential application of biochar has attracted much attention.
View Article and Find Full Text PDFInnovative solutions for coastal wetlands pollution: Application of Spartina alterniflora Loisel. - biochar for cadmium removal and carbon sequestration.
J Environ Manage
January 2025
School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Department of Public Works Engineering, Faculty of Engineering, Tanta University, Tanta 31511, Egypt.
Coastal wetland ecosystems are extremely fragile, with heavy metal contamination and uncontrolled growth of invasive plants (e.g. Spartina alterniflora Loisel.
View Article and Find Full Text PDFElectrocapacitive removal of Na and Cd ions from contaminated aqueous solution using FeO-poly (3,4-ethylenedioxythiophene) poly(styrene sulfonate) modified chitosan nanosheets.
Sci Rep
November 2024
Energy, Sensors and Multifunctional Nanomaterials Research Group, Department of Chemical Sciences, University of Johannesburg, Doornfontein, PO Box 17011, Johannesburg, 2028, South Africa.
Chitosan nanosheets (NS) stabilized on poly (3,4-ethylenedioxythiophene): poly(styrene sulfonate) (PEDOT: PSS) was functionalized using FeO to capacitively remove chloride ions and toxic cadmium ions at optimized pH, concentration, and number of charging cycles. The synthesis procedure was investigated by Fourier transform infrared spectroscopy (FTIR), X-Ray Diffractometer (XRD), Transmission Electron Microscope (TEM), Scanning Electron Microscope - Energy Dispersive X-ray Spectroscopy (SEM-EDS), and Brunauer-Emmett-Teller (BET). The analyses confirms increase in surface area of the nanocomposite from 41 to 132 m/g and a decrease in crystallinity from 75.
View Article and Find Full Text PDFSynthesis and Characterization of Mesoporous Materials Functionalized with Phosphinic Acid Ligand and Their Capability to Remove Cd(II).
Molecules
November 2024
Laboratory of Materials Chemistry, University of Oran1, B.P 1524 El M'naouer, Oran 31000, Algeria.
This article presents a study of cadmium removal from nitrate medium using adsorption in calcined mesoporous silica (MCM-C), mesoporous silica doped (MCM_DIOPA), and calcined and impregnated mesoporous silica (MCM@DIOPA), with diisooctylphosphinic acid (DIOPA). The sorbents were synthesized via a sol-gel method. Several characterization techniques, such as XRD, FTIR spectroscopy, N sorption and elemental analysis, have been used to determine the main structural, textural, and chemical properties of prepared sorbents.
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