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http://ri.uaemex.mx/handle20.500.11799/39322| Title: | Removal of Color and Chemical Oxygen Demand Using a Coupled Coagulation-Electrocoagulation-Ozone Treatment of Industrial Wastewater that Contains Offset Printing Dyes | Keywords: | Química;Dye;AHC;Coagulation;Electrocoagulation;Ozonation;info:eu-repo/classification/cti/2 | Publisher: | Sociedad Química de México | Project: | http://www.redalyc.org/revista.oa?id=475 | Description: | Industrial offset printing processes generate wastewater withhighly colored obtaining values of 5x106 Pt-Co units and great valuesof chemical oxygen demand (COD) 5.3x10-5 mg L-1. Thus, conventionaltechnologies such as biologicals treatment fail in reaching thedischarge limits. In this research, a sequential treatment was applied:coagulation with aluminum hydroxychloride (AHC), electrocoagulationwith Al anodes and finally ozonation. Optimal conditions arefound when adding 20 mg L-1 AHC, followed by electrocoagulationat 4 A for 50 min, and finally alkaline ozonation for 15 min, resultingin an overall color removal of 99.99% color and 99.35% COD. | URI: | http://ri.uaemex.mx/handle20.500.11799/39322 | Other Identifiers: | http://hdl.handle.net/20.500.11799/39322 | Rights: | info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0 |
| Appears in Collections: | Producción |
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