Publication Date:
2021-03-29
Description:
Zerovalent iron (ZVI) has been proposed as a reactive material in permeable in-situ walls
for groundwater contaminated by metal pollutants. For such pollutants which interact with
corrosion products, the determination of the actual mechanism of their removal is very
important to predict the long-term stability of reactive walls. From a study of the effects of
pyrite (FeS2) and manganese nodules (MnO2) on the uranium removal potential of a selected
ZVI material, a test methodology (FeS2-MnO2-method) is suggested to follow the pathway of
contaminant removal by ZVI materials. An interpretation of the removal potential of ZVI for
uranium in presence of both additives corroborates coprecipitation with iron corrosion
products as a major removal mechanism for uranium.
Keywords:
contaminant; groundwater; in-situ remediation; zerovalent iron; uranium
;
551
Language:
English
Type:
article
,
submittedVersion
Permalink
