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Copiapó Desalination Plant

The pre-treatment stage uses ACCIONA's proprietary technology to protect membranes from phenomena such as so-called “red tides” and the proliferation of jellyfish, which are typical in this part of the Pacific.

Seawater is taken from the Pacific Ocean at a depth of 17 m and is then pumped to the desalination plant at 1,300 m from the shore. There, the water undergoes a desalination and purification process, and the brine that results from this process is returned to the ocean using a system of diffusers that prevent concentrations of salt that would be harmful to the marine ecosystem. The plant uses reverse osmosis, a highly flexible technology that makes it possible to treat different types of raw water since it is economically competitive and environmentally friendly.

General Information

Location
Puerto Punta Totoralillo, Copiapó (Atacama Region), Chile 
Capacity
54,000 m3/d 
Process
Reverse osmosis 
Contract type
EPC + O&M (20 years) 
End use of the water
Mining activity and human consumption
Population
340,000 inhabitants

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