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Fluoride removal by palm shell waste based powdered activated carbon vs. functionalized carbon with magnesium silicate: Implications for their application in water treatment.
Highlights MgSiO3 impregnated on PSAC for fluoride removal was studied for the first time. MPSAC showed higher fluoride adsorption capacities compared to PSAC. Anions inhibited F? adsorption with the following sequence: Cl– < NO3– < SO42-. PSAC had stable sequestration capacities of fluoride due to strong C–F bond formation. MPSAC had high regeneration capacities for […]
International Water Treatment -
Fluoride exposure in pregnancy can affect offspring’s IQ
Note from Fluoride Action Network: We include this article for historical purposes only. (EC) A study in 512 mother-child pairs from 6 major cities in Canada found that exposure to higher levels of fluoride during pregnancy was associated with lowered intelligent quotient (IQ) scores in their children at the age of 3 to 4 years. […]
United States, National USA -
Erik Baptist Weighs In on Landmark TSCA-Related Water-Fluoridation Lawsuit
Erik C. Baptist, partner in Wiley Rein’s Environment & Product Regulation Practice, was quoted in an Inside EPA story on January 13 regarding a lawsuit challenging the Environmental Protection Agency’s (EPA) denial of a Toxic Substances Control Act (TSCA) citizen petition seeking to ban drinking water fluoridation. As reported by Inside EPA, the plaintiffs overcame […]
United States, TSCA Lawsuit United States -
Colgate launches vegan-certified toothpaste in recyclable tube
Colgate’s Smile for Good toothpaste has been certified by the Vegan Society. Photograph: Colgate Palmolive Colgate has launched a new toothpaste which is being billed as the first of a kind because it comes in a recyclable tube. Toothpaste tubes have traditionally been impossible to recycle because they are made from a mixture of […]
United Kingdom Toothpaste -
Removal of fluoride from fertilizer industry effluent using carbon nanotubes stabilized in chitosan sponge.
Highlights All assays were performed using gas scrubber effluent from the production of fertilizer industry. Carbon nanotube was anchored onto chitosan sponge and used like adsorbent. The adsorption capacity for fluoride reach around 975.4?mg?g?1 in kinetic assays. Reuse and regeneration were investigated and 5 cycles were obtained. The adsorption capacity kept similar values in all […]
International Phosphate Industry -
Fluoride occurrence in the lower East African Rift System, Southern Malawi.
Highlights Groundwater fluoride documented (n= 1365) in Malawi groundwater at EARS periphery Fluoride >6 mg/l at 3.4% occurrence, less than EARS elsewhere, but locally significant Geological control: Excessive >6 mg/l fluoride only occurs in hot springs >32 °C Hydrochemical control: fluorite control, calcium, pH and temperature sensitivity Troublesome >1.5–6 mg/l fluoride of diffuse occurrence a key management challenge Abstract Countries […]
Malawi -
51 Michigan water systems awarded national fluoridation quality award
LANSING, Mich. (WLUC) – The Michigan Department of Health and Human Services (MDHHS) announced today that 51 water systems have been awarded a Water Fluoridation Quality Award from the U.S. Centers for Disease Control and Prevention. The award recognizes those communities that maintained a consistent level of optimally fluoridated water throughout 2018. A total of […]
United States, Michigan United States Fluoridation award -
Fluoridation: A 75-year-old Blunder
Seventy-five years ago, dentists convinced government officials to experiment on every Grand Rapids, Michigan, resident without individual informed-consent to prove that (not if) dosing the municipal water supply with untested sodium-fluoride chemicals would decay-proof children’s developing teeth. Planned to last 15 years, the 1945 study ended prematurely after 6 ½ years. Teeth of most children […]
United States, New York -
Anniversary of community water fluoridation arrives
Event for state and national leaders will commemorate 75th year of community water fluoridation The ADA National Fluoridation Advisory Committee is inviting dentists and others who promote the adoption and continuation of adding an optimal amount of fluoride to water to celebrate this year. The year 2020 marks the 75th anniversary of community water fluoridation […]
United States, National USA -
Gunnedah’s fluoridation project delayed due to bushfire crisis
GUNNEDAH’S fluoridation project has come to a standstill due to a backlog of other state government projects. The fluoridation of the shire’s water was set to begin this year, but due to the severity of the state’s bushfire crisis, has been moved down NSW Health’s priority list. Gunnedah Shire Council voted to endorse NSW Health’s […]
Australia