Abstract
Micro/nanoscale magnesium silicate hollow spheres were synthesized by using silica colloidal spheres as a chemical template in one pot. The hollow spherical structure, consisting of well-separated nanoscale units, was microscale as a whole and could be easily handled in solution. The as-synthesized magnesium silicate hollow spheres with large specific surface area showed availability for the removal of organic and heavy-metal ions efficiently from waste water. Importantly, the micro/nanoscale magnesium silicate hollow spheres that had adsorbed organic pollutants could be regenerated by calcination and used repeatedly in pollutant removal. Magnesium silicate hollow spheres synthesized by a scaled-up chemical template method may have potential applications in removing cationic dyes and heavy-metal ions from waste water.
| Original language | English |
|---|---|
| Pages (from-to) | 3497-3503 |
| Number of pages | 7 |
| Journal | Chemistry - A European Journal |
| Volume | 16 |
| Issue number | 11 |
| DOIs | |
| State | Published - 15 Mar 2010 |
| Externally published | Yes |
Keywords
- Microporous materials
- Nanostructures
- Silicates
- Water treatment
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