Fluoride ions vs removal technologies: A study
نویسندگان
چکیده
منابع مشابه
Technologies for Decentralized Fluoride Removal: Testing Metallic Iron-Based Filters
Since the realization in the 1930s that elevated fluoride concentrations in drinking water can have detrimental effects on human health, new methods have been progressively developed in order to reduce fluoride to acceptable levels. In the developing world the necessity for filtration media that are both low-cost and sourced from locally available materials has resulted in the widespread use of...
متن کاملGround Water Contamination with Fluoride and Potential Fluoride Removal Technologies for East and Southern Africa
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Fluoride Ions Removal using Yttrium Alginate Biocomposite from an Aqueous Solution (RESEARCH NOTE)
Removal of fluoride ions was investigated using a new adsorbent of yttrium alginate biocomposite (YALG). Effect of various parameters such as pH, contact time, initial concentration of fluoride ions and temperature on the sorption capacity of adsorbent was studied. Performing a mathematical assessment of fluoride sorption, isotherm and kinetics models including Freundlich & Langmuir isotherms a...
متن کاملSelective Fluoride Removal
Fluorides are found in the waste discharges from process streams in a number of industries. Significant amounts of fluoride come from the following industries: semiconductor, photovoltaic, glass manufacturers, electroplating, steel and aluminum, pesticides and fertilizer. The fluoride concentration in untreated effluent can vary over a large range, and the allowable level for discharge depends ...
متن کاملBacteriolytic action of fluoride ions.
Bacillus subtilis, Neisseria subflava, and LYT coccus were found to undergo massive lysis after growth in media containing 0.01 to 10 mM NaF. When cells of these organisms were transferred from late-exponential-phase cultures to 0.02 M sodium phosphate buffer plus 0.1 M KCl, they underwent spontaneous autolysis. Cells grown in media with fluoride were more liable to autolysis, and walls isolate...
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ژورنال
عنوان ژورنال: Arabian Journal of Chemistry
سال: 2016
ISSN: 1878-5352
DOI: 10.1016/j.arabjc.2014.06.005