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2. Iron oxide adsorption - Wikipedia

   en.wikipedia.org/wiki/Iron_oxide_adsorption

   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.

3. Potassium permanganate - Wikipedia

   en.wikipedia.org/wiki/Potassium_permanganate

   It is used as a regeneration chemical to remove iron and hydrogen sulfide (rotten egg smell) from well water via a "manganese greensand" filter. "Pot-Perm" is also obtainable at pool supply stores and is used additionally to treat wastewater. Historically it was used to disinfect drinking water [37] [38] and can turn the water pink. [39]

4. Clarifying agent - Wikipedia

   en.wikipedia.org/wiki/Clarifying_agent

   For example, a flocculant may be used in swimming pool or drinking water filtration to aid removal of microscopic particles which would otherwise cause the water to be turbid (cloudy) and which would be difficult or impossible to remove by filtration alone. Many flocculants are multivalent cations such as aluminium, iron, calcium or magnesium. [1]

5. How To Clean Enameled Cast Iron To Remove Stains And ... - AOL

   www.aol.com/lifestyle/clean-enameled-cast-iron...

   Additionally, baking soda and warm water can alleviate cooking odors emitted from the cast iron. Mix a paste and apply it, then wash away. Another way to eliminate odors from cooking on the ...

6. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions.

7. How to Remove Rust from a Cast Iron Pan Using Stuff You ... - AOL

   www.aol.com/lifestyle/remove-rust-cast-iron-pan...

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8. Pontypool: Orange river down to iron works pollution

   www.aol.com/news/pontypool-orange-river-down...

   Residents were left guessing as a large stretch of the Afon Lwyd became rust coloured overnight.

9. Freshwater environmental quality parameters - Wikipedia

   en.wikipedia.org/wiki/Freshwater_environmental...

   Iron, usually as Fe +++ is a common constituent of river waters at very low levels. Higher iron concentrations in acidic springs or an anoxic hyporheic zone may cause visible orange/brown staining or semi-gelatinous precipitates of dense orange iron bacterial floc carpeting the river bed. Such conditions are very deleterious to most organisms ...