Abstract
In the present study natural clinoptilolite and vermiculite as well as their Na-forms are used for simultaneous removal of Fe (1.5 ppm) and Mn (0.5 ppm) from underground water samples. Vermiculite exhibited higher removal levels than clinoptilolite for both Fe and Mn. In general, Fe removal is higher than Mn for vermiculite and the opposite holds for clinoptilolite. In particular, Fe and Mn removal levels are between 88–94% and 65–100% for vermiculite and 22–90% and 61–100% for clinoptilolite, respectively. Pretreatment as well as the use of smaller particle size increased the removal of both metals. The experimental results showed that the maximum permissible concentrations according to the legislation can be achieved.
| Original language | English |
|---|---|
| Pages (from-to) | 341-346 |
| Number of pages | 6 |
| Journal | Desalination and Water Treatment |
| Volume | 18 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 30 Jun 2010 |
Funding
The results of this study are part of the research project entitled “ Treatment of Wastewater and Drinking Water by use of Natural Minerals”, funded by Measure 7.3 of the Operational Programme Competitiveness, Programming Period 2000–2006, Contract number: 2462/08. All experiments and chemical analyses performed in the premises of the Institute of Geology & Mineral Exploration (IGME), Athens, Greece, between June and November 2008.
Keywords
- clinoptilolite
- drinking water
- iron
- manganese
- vermiculite
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