Journal
OZONE-SCIENCE & ENGINEERING
Volume 40, Issue 2, Pages 133-140Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01919512.2017.1346464
Keywords
Adsorption; Coagulation-Flocculation; Dye; Ozonation; Wastewater
Categories
Funding
- Brazilian Federal Agency for the Scholarship (CAPES)
- Financier of Studies and Projects (FINEP) [MCTI/FINEP CT-HIDRO 01/2013]
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This study is based on the investigation of performance of associated wastewater treatments of coagulation-flocculation/adsorption (CF-ADS) and coagulation-flocculation/ozonation (CF-OZ) for the removal of pollutants from tannery wastewater. The chemical dosage was optimized and the use of waste from the tannery process was tested as a low-cost alternative adsorbent for wastewater treatment plants. For the CF-ADS the removal of TOC, COD, Na+ and color were 50.04%, 53.13%, 17.05% and 61.13%, respectively, and for the CF-OZ the removal were 46.50%, 56.25%, 11.10% and 85.34%. Also, BOD/COD and COD/TOC ratios were studied to verify the oxidation efficiency of the wastewater.
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