University of Florida Studies Sargassum Biochar

Researchers are testing if processed sargassum can improve water quality in coastal Florida oyster beds.

Updated on Oct. 21, 2026 in Environmental

Isometric editorial illustration showing a dark porous biochar cube atop a stylized heap of seaweed, representing environmental water treatment research. — University of Florida researchers are developing a method to convert excess sargassum seaweed into biochar to filter contaminants from Florida oyster beds. AI Illustration. Upload story photo >

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Should coastal communities prioritize converting seaweed waste into biochar for environmental cleanup?

The University of Florida is launching a research project to convert coastal sargassum into biochar for water treatment. This initiative, funded by the EPA, aims to help manage massive seaweed accumulations.

Why it matters

Massive sargassum blooms frequently overwhelm coastal communities, causing significant environmental and economic disruption. Turning this biomass into a functional tool for water purification could help solve the disposal challenge.

Researchers use pyrolysis to thermally process harvested seaweed into stable, carbon-rich biochar. The team will specifically evaluate if this material can immobilize pollutants within oyster beds.

The players

University of Florida

This is a public land-grant research university based in Gainesville, Florida, known for its extensive work in agricultural and environmental sciences.

U.S. Environmental Protection Agency Region 4

This federal regional office oversees environmental protection efforts across the Southeastern United States including Florida.

Myno Carbon

This private organization specializes in carbon-removal technologies and biomass processing solutions.

The details

The project involves processing sargassum into enhanced biochar, which researchers hope will effectively remove contaminants from the water. This work addresses the ongoing environmental struggle caused by record-breaking seaweed arrivals in the Gulf and Caribbean.

2025 marked the largest sargassum volume in the satellite record.
2026 recorded the second-largest sargassum year in the satellite record.

The Big Picture

This project aligns with data trends established by the NOAA Sargassum Inundation Report monitoring program. It represents a shift from viewing seaweed solely as a waste management problem to treating it as a resource for carbon sequestration.

If successful, this technology could provide a cost-effective way to filter contaminants from local coastal waters. This would directly support the health of Florida oyster beds, which are vital for local ecosystems and commercial fisheries.

The takeaway

Turning invasive seaweed into biochar could transform a coastal nuisance into a tool for environmental restoration. This circular approach offers a promising way to offset the costs associated with sargassum cleanup.