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Arsenic is a common natural contaminant of well water and is highly carcinogenic. Iron oxide adsorption treatment for arsenic in groundwater is a commonly practiced removal process which involves the chemical treatment of arsenic species such that they adsorb onto iron oxides and create larger particles that may be filtered out of the water stream.
Ion exchange has long been used as a water softening process, although usually on a single-home basis. Traditional anion exchange resins are effective in removing As(V), but not As(III), or arsenic trioxide, which doesn't have a net charge. Effective long-term ion exchange removal of arsenic requires a trained operator to maintain the column.
The Sono arsenic filter was invented in 2006 by Abul Hussam, who is a chemistry professor at George Mason University (GMU) in Fairfax, Virginia. It was developed to deal with the problem of arsenic contamination of groundwater . [ 1 ]
He has spent much of his career trying to devise a solution to the problem of arsenic contamination of groundwater in eastern India and Bangladesh. Hussam initially started working on this problem in 1993. [1] His final innovation is a simple, maintenance-free system that uses sand, charcoal, bits of brick and shards of a type of cast iron.
In water systems subject to heating hardness salts can be deposited as the decomposition of bicarbonate ions creates carbonate ions that precipitate out of solution. Water with high concentrations of hardness salts can be treated with soda ash (sodium carbonate) which precipitates out the excess salts, through the common-ion effect , producing ...
It’s easy to use and clean. When it’s time to unbox your new fire pit, the one-piece design of the Solo Stove comes in handy. Technically, there are a few other pieces to the remove from the ...
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