ADVANCED DEFLUORINATION AGENT AND METHOD FOR REMOVING FLUORIDE IONS IN FLUORIDE-CONTAINING WASTEWATER
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 2, 2024
filing date -
Oct 2, 2024
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Abstract
An advanced defluoridation agent and a method for removing fluoride ions in fluorine-containing wastewater are provided. The advanced defluoridation agent includes 40-70 wt % of polyaluminum sulfate, 0.3-30 wt % of hydroxyapatite and deionized water supplemented to 100 wt %. Using the advanced defluoridation agent of the present disclosure to treat fluoride-containing wastewater can achieve increased defluorination efficiency, reduced electrical conductivity, and reduced sludge content, and a better defluorination effect. The concentration of fluoride ions is lower than 15 ppm after using the advanced defluoridation agent of the present disclosure.
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