Client MINING, BHP – Escondida
Location Región de Antofagasta, Chile
Date March 2011
Flow 916 m3/d
Load 230 kg DBO/d
Solution Wastewater treatment

Wastewater Treatment

The design consists of equalizing the waters and then taking them to three (3) compact treatment lines, where the aeration ponds will be located for the biological treatment of activated sludge in conventional aeration.

The process considers the stages of roughing of coarse solids, equalization and discharge of water, roughing of fines, conventional biological treatment, sedimentation and disinfection; in addition to the treatment of sludge that consists of thickening, digestion and dehydration of sludge.

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