Fluoride contamination has created a drinking water crisis globally. At low concentrations, its
presence is essential; however, it becomes toxic to human beings upon consumption of …

Fluoride contamination of groundwater is a serious problem in several countries of the world
because of the intake of excessive fluoride caused by the drinking of the contaminated …

The rapid economic development in China places a large demand for energy, and as a
result, thermal power plants in China are producing an enormous amount of coal fly ash …

Fly ash (FA) is the by-product of coal combustion, which is known to be an environmental
pollutant. India produces about 221 million tons of Coal Fly ash annually. A large area is …

Abstract Sulfate (SO 4 2-) is a ubiquitous anion in natural waters. It is not considered toxic,
but it may be detrimental to freshwater species at elevated concentrations. Mining activities …

Blast-furnace slag and metakaolin were geopolymerised, modified with barium or treated
with a combination of these methods in order to obtain an efficient SO 4 2− sorbent for mine …

In recent years, there has been an increase in public perception of the detrimental side-
effects of fluoride to human health due to its effects on teeth and bones. Today, there is a …

Coal fly ash (CFA) is a byproduct of thermal power plant and collected from flue gases by
separator. Composition of CFA depends on the type of coal used and it has both crystalline …

This study evaluates the effectiveness of magnetic biochar (Fe2O3‐EC) derived from water
hyacinth in the removal of Cu+ 2 and Zn+ 2 from aqueous solution. Fe2O3‐EC was …

Fluoride is present in several groundwaters due to natural or anthropogenic origins.
Although it is necessary for physiological human functions (in small amounts, ie, 0.5–1.2 …