Ferrovial Services Participates in the European Project Secasol on Solar Sludge Drying


Photo of the sludge drying plant

Ferrovial Services is participating in the European project Secasol, an environmental initiative led by the Provincial Council of Huelva, along with other participating entities from Spain and Portugal.

This program, integrated into the 2014-2020 INTERREG VA Spain-Portugal Cooperation Programme (POCTEP), aims to apply solar energy to drying sludge from wastewater purification and from leachates household waste treatment.

Moving toward developing new, more sustainable service models, Ferrovial Services has joined the Secasol project with the goal of improving efficiency in the process of solid waste drying through research and applying cleaner renewable technologies, such as concentrated solar power.

Ferrovial Services offers its knowledge and experience in treating leachates, and in the future, it will equip its facilities to be able to carry out the necessary tests for verifying the use of solar energy as a more sustainable alternative in leachate treatment. As such, the company is collaborating with the Secasol project as an expert partner in waste management, providing the raw materials -leachate – that come from the waste treatment plant in Villarasa, Huelva.

Thus, this project is expected to reduce the economic and environmental impact of managing this waste by designing a specific facility to reduce the final volume of leachate by evaporation, which will be done by using a renewable energy source through heat accumulators and exchangers.

Since the project’s start at the initial meeting for partners held in December 2017, the Provincial Council of Huelva has stated that it is complying with the phases set in its programming, which were shared during the aforementioned meeting by representatives from the project’s seven partner entities: Agencia Regional de Energía y Ambiente de Algarve (Areal); Águas do Algarve SA (Ada); National Laboratory of Energy and Geology IP (LNEG); Fundación Centro de las Nuevas Tecnologías del Agua (Centa); Gesamb – Gestión Ambiental y de Residuos EIM; Ferrovial Services, through Cespa Gestión de Residuos SA; and the Provincial Council of Huelva as a leading partner.


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