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[[File:Železo.png|thumb|ZVI]]
==What is it?==
==What is it?==
ZVI is scrap iron filings and describes the elemental form of iron with a zero charge carried by each atom – a result of the outer valence level being filled. ZVI is able to remove phosphate from solution through precipitation. <ref name=Rossetti>Rossetti M. Evaluation of phosphorous removals by biochar supported nano-scale zero-valent iron. 2017. Chemical Engineering Undergraduate Honors Thesis.</ref> Zero-valent iron nanoparticles (nZVI) are also used for [[phosphorus]] removal.
ZVI is scrap iron filings and describes the elemental form of iron with a zero charge carried by each atom – a result of the outer valence level being filled. ZVI is able to remove phosphate from solution through precipitation. <ref name=Rossetti>Rossetti M. Evaluation of phosphorous removals by biochar supported nano-scale zero-valent iron. 2017. Chemical Engineering Undergraduate Honors Thesis.</ref> Zero-valent iron nanoparticles (nZVI) are also used for [[phosphorus]] removal.
Another paper reports that ZVI can remove up to 98% of influent phosphorus at low input concentrations, and at high concentrations is shown to remove up to 36% of incoming phosphorus. The phosphorus retained in the soil is mostly iron-bound, which will not be easily leached out of the system because it is very stable.<ref>Lechner L. Phosphorus Removal From Stormwater Using Zero-Valent Iron. 2016. Applied Science Masters Thesis.</ref>
Another paper reports that ZVI can remove up to 98% of influent phosphorus at low input concentrations, and at high concentrations is shown to remove up to 36% of incoming phosphorus. The phosphorus retained in the soil is mostly iron-bound, which will not be easily leached out of the system because it is very stable.<ref>Lechner L. Phosphorus Removal From Stormwater Using Zero-Valent Iron. 2016. Applied Science Masters Thesis.</ref>
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[[category:materials]]
[[category:materials]]
[[category:phosphorus]]
[[category:phosphorus]]
[[Category: Water quality]]
[[Category: Water quality]]