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Sargassum Bioeconomy: From Coastal Biomass to Advanced Sustainable Materials

Project description

Innovation against sargassum invasion in Europe

Sargassum blooms are no longer just a problem confined to tropical oceans. Rising temperatures, shifting currents and nutrient influxes are now putting areas such as the Mediterranean, the Baltic, and even Northern European freshwater ecosystems at risk. Sargassum proliferation threatens fisheries, agriculture and tourism, sectors that together contribute more than EUR 1.3 trillion annually to the EU economy. Supported by the Marie Skłodowska-Curie Actions programme, the SARGEX project is developing innovative, zero-waste facilities to transform sargassum into valuable resources like bioinputs, biogas and biochar. These sustainable approaches not only improve soil health and boost crop yield but also contribute to meeting renewable energy targets, turning a pressing environmental challenge into an opportunity for innovation and resilience.

Objective

The proliferation of sargassum has emerged as a pressing global ecological challenge, with far-reaching impacts on marine ecosystems, public health, and coastal economies. While Europe has so far been largely insulated, climate change and associated factors—rising sea temperatures, shifts in oceanic currents, and increased nutrient loading—heighten the risk of sargassum blooms in European marine ecosystems. Regions like the Mediterranean, the Baltic Sea, and Northern European freshwater systems are increasingly vulnerable, threatening sectors such as fisheries, agriculture, and tourism, which collectively contribute over €1.3 trillion annually to the EU economy.

In the Caribbean, Cuba illustrates the devastating consequences of sargassum inundations, with annual blooms exceeding 24 million tonnes. These have inflicted severe economic damage on tourism, fisheries, and public health. European-owned hotels and tourism operators in the Caribbean report annual losses of €120 million, compounded by clean-up costs of €30,000 per kilometer of coastline and ecosystem degradation affecting fisheries and biodiversity. Hydrogen sulfide emissions further exacerbate public health risks, underscoring the urgency for innovative and proactive solutions.

SARGEX is a transformative project designed to address these challenges by providing scalable, sustainable, and circular solutions for marine biomass valorization. The project integrates modular processing plants equipped with biodigesters for zero-waste transformation of sargassum into valuable outputs, including bioinputs, biochar, and biogas. These bioinputs, capable of replacing up to 30% of synthetic agrochemicals, are projected to increase agricultural yields by 30%. Additionally, biogas generation (20 m³ per tonne) and biochar production contribute to renewable energy goals and soil enhancement, aligning with the EU’s Green Deal, Circular Economy Action Plan, and Biodiversity Strategy 2030.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-SE - HORIZON TMA MSCA Staff Exchanges

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-SE-01

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Coordinator

UNIVERSITAT AUTONOMA DE BARCELONA
Net EU contribution
€ 320 640,00
Address
EDIF A CAMPUS DE LA UAB BELLATERRA CERDANYOLA V
08193 Cerdanyola Del Valles
Spain
Region
Este Cataluña Barcelona
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Participants (5)

Partners (3)