Use of desalination plants as an alternative to Tajo-Segura transfer worries ecologists

Desalination of seawater cannot be used to compensate for water shortage from the Tajo-Segura transfer, He warns the leaders of the major environmental organizations in Spain after the government approves the new watershed plans, because they are reassuring about it. “a polluting industry with major environmental impact” that must be restricted to very specific uses.

“We cannot leave the population without water, but It is unthinkable that desalination plants irrigate large crops, golf courses, illegal irrigation, urbanization.…”, assures Efe Julio Barea, responsible for Water at Greenpeace.

According to Teresa Ribera, third vice-president and minister for Ecological Transition, new watershed plans for Tagus to identify ever-increasing ecological or welfare flows by 2027 will guarantee a higher volume of investment in desalination plants and efficiency in irrigation. the amount of water that can be stopped from being transferred.

“There are tens of thousands of illegal irrigation systems in Spain”

“We are not against desalination, but we are against the use of desalination. It is formulated on a large scale,” Efe told Efe.

Sewage of the Tajo-Segura transfer efe

“Desalination is the last of the solutions and their use must be very punctual to supply water to the population.. We’re talking mouthwatering, even though we’ve exhausted all other possibilities.”

Water expert activist Santiago Martín Barajas, spokesperson Ecologists in Action call for ‘transfer closure now’ because in Spain “one square meter more irrigation” is not allocated to the crops.

His criticisms were directed at the volume of water allocated for irrigation to fields in the Levante communities, as well as Castilla-La Mancha, the ceded region of the Tajo-Segura transfer. “as before.

Desalination plants or desalination plants are installations that convert salty or brackish water into sources suitable for human consumption, industrial and irrigation use; The first in this country was built in the 1960s in Lanzarote in the Canary Islands due to a water imbalance due to increased demand for water from tourism.

Spain is a country with abundant rivers and underground waters due to its orographic features. One of the world’s largest producers of desalinated water with more than 700 facilitiesThey are of different sizes and are especially distributed over the Canary Islands and the Mediterranean archipelago.

High CO2 emissions to the atmosphere

Among the disadvantages, ecologists say, besides the high landscape impact on the coastline The large amounts of electricity some need to operate produce many carbon dioxide emissions into the atmosphere.

According to ecologists, about half of every liter of desalinated seawater is only drinkable and sweetwith possibilities of use.

Desalination plant in Prat de Llobregat in Catalonia agencies

The remaining half-liter is brine, which is extremely concentrated from salts and many other chemical products used in desalination, and unfortunately spills directly into the sea.

The person in charge of Ecologistas en Acción stated: The effects of these saltwater spills are “worse than previously thought,” as they severely affect the Posidonia meadows.a marine plant essential for the reproduction and survival of many fish.

It would be “outrageous,” he added, to have the facilities run continuously to desalinate the water. should be limited to certain momentseg for certain populations during periods of drought and under special water conditions.


Contact address of the environment department: [email protected]

Source: Informacion


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