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Media type:
E-Article
Title:
On the suitability of admixing sand to metallic iron for water treatment
Contributor:
Noubactep, Chicgoua
[Author]
imprint:
GEO-LEOe-docs (FID GEO), 2013
Language:
English
DOI:
https://doi.org/10.7726/ijeps.2013.1004
ISSN:
1741-511X
Origination:
Footnote:
Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
Description:
This communication clarifies the relationships between sand addition and the sustainability of iron/water systems for environmental remediation. It is shown that any enhanced contaminant removal in an iron/sand/water relative to an iron/water system is related to the avoidance/delay of particle cementation by virtue of the inert nature of sand. The argument that sand dissolution produces protons (H+) to sustain iron corrosion is disproved by the very low dissolution kinetics solubility of SiO2-bearing minerals under environmental conditions. This demonstration corroborates the concept that aqueous contaminant removal in iron/water systems is not a process mediated by electrons from Fe0.