NewsEnvironmental Health

Sargassum: What if the solution came from the Vendée?

The delegation from Guadeloupe traveled to Saint-Hilaire de Riez, a small town in the Vendée region, on Friday. Their goal: to assess whether the “Algaclean» kit, offered by the companies Thomsea and CDO’Innov, would be suitable for the local situation. The principle: sucking up the algae using negative pressure. “We use water as a medium; this prevents them from passing through the pump itself—they’re sucked in and pumped out wherever we want.», explains Thierry Thomaseau, the concept’s inventor and CEO of Thomsea. According to its designers, the machine could collect up to 75 cubic meters of sargassum per hour—either at sea within a 500-meter radius, using an amphibious pumping platform and hoses supported by tracked vehicles, or on the beach.

“We’ve evaluated a lot of projects and quite a few prototypes, and this device seems to me to be the most robust for collecting algae in the shortest amount of time.», said Councilwoman Sylvie Gustave-dit-Duflo, chair of the Environment Committee. “In 48 hours, it might be a tight squeeze, but in 2, 3, or 4 days, it might be doable.».

The cost of the project could be around 1.5 million euros, co-financed by the government. Serge Bideau, the prefect in charge of the Sargassum mission, who was present for this site visit, seemed quite positive: “The government is ready to invest; now this initiative will be evaluated by ADEME and the DEAL and reviewed by Guadeloupe’s Sargassum Task Force, which will decide whether or not to give the green light.».

If the collaboration is approved, “The estimated timeframe is 8 months, but we’re well aware of the urgency, so everything is ready to go, and we’ll do everything we can to deliver in 4 months.» explains Cyril Thabard, managing director of CDO’Innov.

The issue of how to make use of Sargassum must also be addressed; “Algaclean» offers a “jacuzzi»-style system that processes the seaweed and removes any other materials, such as sand. In the Vendée region, for example, the recovered seaweed can be used as pig feed.

The “Algaclean” kit also offers a solution for treating and washing sargassum before it is repurposed (©AD)
After going through the “jacuzzi,” the seaweed comes out ready to use, if possible (©AD)
The Regional Council, the prefect in charge of the Sargassum task force, ADEME, and the manufacturers of ’Algaclean”… the delegation visited two sites during the day (©AD).Source: https://www.rci.fm/infos/risques-naturels/sargasses-et-si-une-solution-venait-de-vendee

Related Articles

Back to top button