Technical articles on wastewater treatment
Author: Walmir Rezende • 10/20/2025
Technical compliance guide for electroplating wastewater: CONAMA 430/2011 parameters, treatment stages and an implementation checklist.
Read MoreWalmir Rezende • 10/19/2025
Neutralization is a key step in electroplating wastewater treatment, with pH control between 5.0 and 9.0 required by CONAMA Resolution 430/2011.
Read MoreWalmir Rezende • 10/18/2025
COD (Chemical Oxygen Demand) is often the hardest CONAMA 430/2011 parameter for electroplating shops to meet. Tertiary treatment is required for compliance.
Read MoreWalmir Rezende • 10/17/2025
Coagulation and flocculation are essential steps in treating electroplating wastewater to remove heavy metals and comply with CONAMA Resolution 430/2011.
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