Journal
DESALINATION
Volume 131, Issue 1-3, Pages 307-314Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0011-9164(00)90029-8
Keywords
coagulation; adsorption; ultrafiltration; wastewater; reuse; organic matter
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We considered the treatment of domestic wastewater by coagulation-adsorption coupling with ultrafiltration as an alternative for wastewater reclamation and reuse. The flocculation-adsorption process showed good performance in removing the chemical oxygen demand 86% at a FeCl3 concentration of 40 mg/l, and powdered activated carbon concentration of 20 mg/l. In the same way the turbidity passed from 18 NTU to 3.5 NTU at pH = 5.5. Laboratory tests showed that the turbidity is passed from 18 NTU to 0.5 NTU by the process flocculation-adsorption-ultrafiltration and removal efficiency of chemical oxygen demand 82.7% (where the value passed from 77 to 13mg/l).
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