The Removal of Phosphate by Coal Gangue from Wastewater
| Autor(en): |
Fang Juan Zhang
Hua Yong Zhang Lu Yi Zhang |
|---|---|
| Medium: | Tagungsbeitrag |
| Sprache(n): | Englisch |
| Tagung: | 2012 International Conference on Civil, Architectural and Hydraulic Engineering (ICCAHE 2012), August 10-12th 2012, Zhangjiajie (China) |
| Veröffentlicht in: | Sustainable Cities Development and Environment [3 vols] |
| Seite(n): | 2005-2008 |
| DOI: | 10.4028/www.scientific.net/AMM.209-211.2005 |
| Abstrakt: |
The feasibility of coal gangue as an adsorbent for phosphate removal from wastewater was investigated. The results showed that the equilibrium data were well fit to Langmuir isotherm model and the maximum adsorption capacity calculated was 2.49 mg/g at 25°C. The adsorption process followed pseudo-second order model. And the practical waste water experiment indecated that the phosphate concentration of real sewage decreased from 0.625mg/L to 0.121mg/L. These results suggested that coal gangue can be used as an adsorbent to removal phosphate from wastewater. |
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