Treatment of synthetic textile waste water by combined chemical coagulation/ultrafiltration
Industrial textile generates large volumes of effluents which are heavily loaded with pollutants, turbidity and are highly concentrated in salts and color. A significant improvement in effluent quality is required before it is discharged into the environment. In the present work, performances of combined process using chemical coagulation and ultrafiltration were investigated in treating synthetic textile wastewater containing reactive dyes (Blue S-GLD 150 dyes) and different salt concentration. The efficiency of the combined process was evaluated in terms of effluent decolourization and turbidity removal.
At first, the performance (optimal dose of coagulant) of chemical coagulation using aluminium sulphate was determined under various conditions such as pH effect and salt concentration.The results were compared with those obtained by the conventional coagulation process used in the case of the treatment of the real textile effluent produced by SARTEX Company (located at Ksar Helal, Tunisia). Then, a process associating Coagulation and Ultrafiltration was proposed in order to produce a better quality of the treated wastewater effluent which could be reused in the textile industry. The experimental results showed that performances in terms of permeate flux (Jf) and water quality depend on the salt concentration, temperature and a volumetric concentration factor (VCF).
| Copyright: | © Aristotle University of Thessaloniki | |
| Quelle: | 2nd International Conference 2009 (Juni 2009) | |
| Seiten: | 7 | |
| Preis inkl. MwSt.: | € 5,00 | |
| Autor: | E. Ellouze  D. Ellouze R. Ben Amar | |
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