Journal ArticleDOI
Reduction of Fluoride by Reaction with Limestone Particles in a Fixed Bed
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This article is published in Industrial & Engineering Chemistry Process Design and Development.The article was published on 1979-04-01. It has received 30 citations till now. The article focuses on the topics: Fluoride.read more
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Journal ArticleDOI
Review of fluoride removal from drinking water.
TL;DR: This review article is aimed at providing precise information on efforts made by various researchers in the field of fluoride removal for drinking water by broadly divided in two sections dealing with membrane and adsorption techniques.
Journal ArticleDOI
Adsorption kinetics of fluoride on low cost materials
TL;DR: The data suggested that Calcite has been seen as a good adsorbent in fluoride removal and has been patented, but its adsorption capacity is only better than quartz, and the external mass transfer is a very slow and rate-determining step during fluoride removal from the aqueous solution.
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Fluoride removal by calcite: evidence for fluorite precipitation and surface adsorption
TL;DR: Fluoride removal by crushed limestone was investigated by batch studies and surface-sensitive techniques and indicates that existing models, especially at low fluoride concentrations and high pH (>7.5), are not equipped to describe this complex system.
Journal ArticleDOI
Fluoride removal in a fixed bed packed with granular calcite
TL;DR: In this article, a fixed bed calcite reactor was constructed and the reactor was used to treat synthetic wastewater containing HF, NaF, NH4F or Na2SiF6 under various conditions.
Journal ArticleDOI
Removal of Fluoride from Aqueous Solution by CaO Nanoparticles
TL;DR: In this paper, the ability of the CaO nanoparticles for removal of fluoride from aqueous solution through adsorption has been investigated, and almost complete removal (98%) of fluoride was obtained within 30 minutes at an optimum adsorbent dose of 0.6-g/L for initial fluoride concentration of 100-mg/L.