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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Laumann, Susanne Micic, Vesna Lowry, Gregory V. Hofmann, Thilo |
| Description | Country affiliation: Austria Author Affiliation: Laumann S ( Department of Environmental Geosciences, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria.) |
| Abstract | The limited transport of nanoscale zero-valent iron (nZVI) in porous media is a major obstacle to its widespread application for in situ groundwater remediation. Previous studies on nZVI transport have mainly been carried out in quartz porous media. The effect of carbonate minerals, which often predominate in aquifers, has not been evaluated to date. This study assessed the influence of the carbonate minerals in porous media on the transport of polyacrylic acid modified nZVI (PAA-nZVI). Increasing the proportion of carbonate sand in the porous media resulted in less transport of PAA-nZVI. Predicted travel distances were reduced to a few centimeters in pure carbonate sand compared to approximately 1.6 m in quartz sand. Transport modeling showed that the attachment efficiency and deposition rate coefficient increased linearly with increasing proportion of carbonate sand. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 179 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-08-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Acrylic Resins Analysis Carbonates Chemistry Environmental Restoration And Remediation Methods Groundwater Iron Metal Nanoparticles Water Pollutants, Chemical Porosity Quartz Surface Properties Journal Article Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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