latest news: Water Treatment
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A simple method for detection of low concentrations
Highlights A simple, reagent-free, non-colourimetric method for detection of fluoride in water at drinking-water-relevant 0–5?mg?L?1 concentration range. Optical fibre tip coated with aluminum by sputter deposition is degraded in the presence of fluoride, decreasing internal reflection of infrared light. Kinetics of coating degradation are correlated to fluoride concentration. Abstract Naturally occurring elevated levels of fluoride […]
International Water Treatment -
Experimental and model study for fluoride removal by thermally activated sepiolite.
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights Thermal treatment for sepiolite improved the […]
International Water Treatment -
Preparation and characterization of novel green synthesized iron–aluminum nanocomposite and studying its efficiency in fluoride removal
Highlights Green synthesized iron-aluminium nanocomposite, adsorption capacity ?42.95?mg/g and fluoride removal 82.1%. Langmuir model best fitted the equilibrium data with monolayer adsorption capacity of 28.07?mg/g at 313?K. The reaction followed pseudo second order kinetics and multistage diffusion control process. Fluoride contaminated water from subparts of India resulted in 82.6 and 83% removal efficiency. Abstract A […]
International Water Treatment -
Concentration of fluoride in groundwater of India: A systematic review, meta-analysis and risk assessment
Highlights Sixty three studies comprising 57381 samples included in the current meta-analysis of fluoride in groundwater. The pooled concentration of fluoride in India was found to be around 2.37?mg/L: 95% CI (1.46-3.28?mg/L). This study revealed that the fluoride concentration in rural parts of the country is 1.85 times higher than urban areas. The concentration of […]
India Water Treatment -
Removal of fluoride in membrane-based water and wastewater treatment technologies: Performance review
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights Fluoride affects the environment and conventional […]
International Water Treatment -
Data of Characterization and Adsorption of Fluoride from Aqueous Solution by Using Modified Azadirachta Indica Bark
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Abstract This data was decisive on the […]
International Water Treatment -
Potable-quality water recovery from primary effluent through a coupled algal-osmosis membrane system.
Highlights Demonstrated algal-membrane system for potable water recovery from wastewater. The product water met USEPA primary and secondary drinking water standards. Chemical cleaning using NaOH was effective to restore FO membrane performance. FO was effective to prevent RO membrane fouling during wastewater treatment. Abstract A coupled algal-osmosis membrane treatment system was studied for recovering potable-quality […]
Water Treatment -
Analysis of equilibrium, kinetic, and thermodynamic parameters for biosorption of fluoride from water onto coconut (Cocos nucifera Linn.) root developed adsorbent
Abstract Drinking water with higher fluoride levels results in serious irremediable health problems that have attained a startle all over the world. Researches focused towards deflouridation through the application of biosorbents prepared from various plants are finding greater scope and significance. Present research is done on Cocos nucifera Linn. (coconut tree) one of the very […]
International Water Treatment -
Adsorption of fluoride from aqueous solution by fly ash cenospheres modified with paper mill lime mud: Experimental and modeling
Note from Fluoride Action Network: “Since all methods [to remove fluoride] produce a sludge with very high concentration of fluoride that has to be disposed of, only water for drinking and cooking purposes should be treated, particularly in the developing countries.” Reference: Fluorosis (see Interventions), World Health Organization Highlights A low-cost fly ash cenospheres modified […]
International Water Treatment -
Fluoride removal by palm shell waste based powdered activated carbon vs. functionalized carbon with magnesium silicate: Implications for their application in water treatment.
Abstract In this study, palm shell activated carbon powder (PSAC) and magnesium silicate (MgSiO3) modified PSAC (MPSAC) were thoroughly investigated for fluoride (F–) adsorption. F– adsorption isotherms showed that PSAC and MPSAC over-performed some other reported F– adsorbents with adsorption capacities of 116 mg g-1 and 150 mg g-1, respectively. Interestingly, the MgSiO3 impregnated layer […]
International Water Treatment
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