Abstract
Carrageenan/reduced graphene oxide/Ag composite (CA/RGO/Ag) was synthesized by a wet chemical method at room temperature using carrageenan, graphene oxide and silver nitrate as starting materials. As-prepared composite was characterized by UV-vis spectroscopy, FTIR, SEM, and XRD. Results showed that the reduction of graphene oxide (GO) and silver nitrate was achieved simultaneously by addition of NaBH4. CA/RGO/Ag composite was used for adsorption of methylene blue (MB) from aqueous solution. The effect of parameters such as the ratio of GO and silver nitrate, contact time, pH, temperature, and mass of the composite has been investigated. The adsorption isotherm data could be well explained by Langmuir isotherm model. According to our results, the CA/RGO/Ag composite is a suitable adsorbent candidate for purifying of water pollution.
| Original language | English |
|---|---|
| Pages (from-to) | 349-357 |
| Number of pages | 9 |
| Journal | Digest Journal of Nanomaterials and Biostructures |
| Volume | 10 |
| Issue number | 2 |
| Publication status | Published - Apr 2015 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 6 Clean Water and Sanitation
Research Keywords
- Adsorption
- Carrageenan
- Methylene blue
- Reduced graphene oxide
- Silver
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