Mechanism of simultaneous removal of aluminum and fluoride from aqueous solution by La/Mg/Si-activated carbon

Controlled Fabrication of the Biomass Cellulose–CeO2 Nanocomposite Membrane as Efficient and Recyclable Adsorbents for Fluoride Removal

“…The abovementioned results demonstrate that the BCCM achieves the purpose of fluoride ion removal by ion exchange between the hydroxyl group on the surface of the BCCM and the fluoride ion in the solution, consistent with the analysis results of FT-IR. Furthermore, as shown in Figure D, the peak of fluoride at 287.5 eV had been detected, further demonstrating that fluoride was adsorbed on the surface of the BCCM, which suggests that the BCCM has great application potential to eliminate fluoride in wastewater …”

“…Furthermore, as shown in Figure 5D, the peak of fluoride at 287.5 eV had been detected, 35 further demonstrating that fluoride was adsorbed on the surface of the BCCM, which suggests that the BCCM has great application potential to eliminate fluoride in wastewater. 36 3.4. Adsorption Isotherms and Adsorption Kinetics.…”

Goethite/montmorillonite adsorption coupled with electrocoagulation for improving fluoride removal from aqueous solutions

“…Based on comparison of factors such as the site, operation, and operating costs, adsorption is considered to be the most economical and effective technology for the decentralised reduction of fluoride pollution. 19,32,33 Many studies have evaluated the efficacy of adsorption for the removal of fluoride, and the results showed that new composite adsorbents, prepared by various methods, had good adsorption capacity for fluoride, indicating that adsorption can effectively remove fluoride from water. 5,15,32,34 Narayanan N. V. et al used batch stirring electro-flocculation reactor, the feasibility of Fe-aluminium electrode combined with granular activated carbon adsorption to remove hexavalent chromium in synthetic wastewater.…”

“…19,32,33 Many studies have evaluated the efficacy of adsorption for the removal of fluoride, and the results showed that new composite adsorbents, prepared by various methods, had good adsorption capacity for fluoride, indicating that adsorption can effectively remove fluoride from water. 5,15,32,34 Narayanan N. V. et al used batch stirring electro-flocculation reactor, the feasibility of Fe-aluminium electrode combined with granular activated carbon adsorption to remove hexavalent chromium in synthetic wastewater. 35 Malakootian M. et al investigated the differences in the decolourization ability and operating cost of indigo carmine in aqueous solution between four different commercial activated carbon combined with electrocoagulation technology and traditional electrocoagulation technology.…”

Efficient Coagulation Removal of Fluoride Using Lanthanum Salts: Distribution and Chemical Behavior of Fluorine

“…Long-term intake of high-fluoride level water may lead to dental fluorosis, bone fluorosis and even neurological damage (Díaz-Flores et al, 2021). According to a standard issued by the World Health Organization (WHO), the fluorine content in drinking water should be less than 1.5 mg L −1 (Kim et al, 2020).…”