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opens controversial environmental remediation electrochemical

Scientists National Engineering University (UNI), with financial support from Science and Technology Program ( FINCYT) have developed prototypes of equipment electrochemical for decontaminating water contaminated with arsenic in the river Locumba in the department of Tacna.

This was announced by executive director FINCYT, Alejandro afus, who said the project, entitled "Investigation of treatment systems for removal of arsenic, boron and iron in the bodies of water for agricultural and agribusiness," says with the collaboration of the Center for Technological Innovation (Cite), Tacna agribusiness and the University of Tarapaca in Arica.

Juan Rodríguez, coordinator of the project at UNI, said the research is of paramount importance para Perú, Bolivia y Chile debido a que “el problema del arsénico en las aguas es de origen natural y no distingue fronteras”.

“Se ataca un problema común en la región centro-surandina, como lo es la contaminación natural con arsénico, que tiene Bolivia, Chile y Perú”, refirió.

Se han desarrollado prototipos que contienen sistemas de filtración o usan la energía solar, estos últimos con un diseño fotoquímico basado en variables de reflexión con la implementación de un reactor para purificar el agua contaminada con arsénico.

“Partiendo de concentraciones de 450 to 550 parts per billion (ppb) of arsenic, which has the river Locumba in Tacna, in testing we have reduced to levels below 150 ppb, which provide water suitable for irrigation, according to the technical standard Peru, "he explained.

With this system, he added, there have been volumes of treatment of 20 m3 per day. In the best case, but with smaller volumes, it has been below 30 ppb.

SYSTEM USING ELECTROCHEMICAL

explained that these prototypes developed using flocculating, which are tanks with storage capacity of 600 liters of contaminated water and through a filter system reduces pollution levels.

The process employs a photochemical system that uses solar radiation (with glass or plastic tubes), for a few hours to get water for human consumption.

The FINCYT is under the Presidency of the Council of Ministers (PCM) and is funded by the Government of Peru and the Inter-American Development Bank (IDB).

also administers the grant fund Innovate Peru - FIDECOM the Ministry of Production.

supports projects that help improve the country's competitiveness, strengthening research capabilities and technological innovation.

Source: El Comercio