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The decontamination of El Hondón enables green areas, sports courts and urbanizing spaces (09/10/2017)

The researcher at the Universidad Politécnica de Cartagena (UPCT), Ángel Faz Cano, today presented proposals for the recovery of El Hondón land, whose contaminants he has characterized, analyzing his risks and studying rehabilitation actions, based on an agreement signed with the City Council from Cartagena.

After studying the waste in detail, Faz Cano, head of the research group on Management, Utilization and Recovery of Soils and Waters (GARSA), suggests encapsulating the most polluting materials, keeping phosphogypsum 'in situ' in line with Council guidelines Nuclear Safety (CSN), using these lands as green spaces.

In the lands where the pyrite is present, it is proposed to be confined to the area where the waste is located and the use of space as sports tracks.

Other soils contaminated by metals will be relocated and studied to decide if they are confined or can be valorized.

Finally, the southern part of the plot, which would be cleaned of residues, could be built with housing.

The scientific study developed by the UPCT in lands covering a million square meters should now give rise to a preliminary draft of actions that would have to be evaluated by the CSN and the Environment technicians of the Autonomous Community.

GARSA researchers have presented the three-dimensional images of the rafts and collections that have been developed to measure their exact volumes, as well as the laboratory analyzes of the numerous probes and surface samples made, detailing the levels of acidity, salinity and toxic metals (lead , zinc, copper, arsenic, chromium, nickel, cadmium and mercury) at different depths.

The works in El Hondón were commissioned by the areas of Sustainable Development and Quality of Life of the City of Cartagena to know the residues existing in the plot that in the day occupied the fertilizer factories.

Presenting the results have been attended by the acting mayor, Juan Pedro Torralba, along with councilors, Francisco Calderón and María José Soler, and municipal technicians from the areas that have driven the study.

Neighbors, media, regional soil technicians and land management, as well as municipal political groups have also been invited.

Source: UPCT

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