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Beach-cleaning BeBot sifts through sand to gather small pieces of trash

[August 24, 2021: Nick Lavars]

Bebot is remotely controlled by a human operator up to 300 m. (CREDIT: 4ocean)

Despite the efforts of good-hearted folks that sweep beaches for trash others have left behind, such is the magnitude of our plastic pollution problem that it can be hard to collect it all, particularly the smaller debris. The BeBot is a robot designed to tackle this problem, mechanically sifting through sand to gather up waste while leaving behind a minimal footprint on the environment.

The BeBot was developed by marine infrastructure manufacturer Poralu Marine and 4ocean as a way of cleaning up coastlines with minimal disruption to these precious ecosystems. While manual human sifters can certainly pick up meaningful amounts of trash, it is labor-intensive work. Tractors and other heavy-duty machinery, on the other hand, can cover more ground, but can destroy fauna and flora or cause erosion of the landscape.

BeBot runs on a combination of solar and battery power. (CREDIT: 4ocean)

BeBot is designed to take a more tactful approach. The electric robot runs on a combination of solar and battery power and is remotely controlled by a human operator up to 300 m (984 ft) away. It digs up to 10 cm (4 in) into the sand and mechanically sifts the grains through a mesh screen to gather pieces of plastic and other debris as small as a centimeter squared, such as cigarette butts, food wrappers and bottle caps.


The robot can apparently clean up to 3,000 sq m ( 32,000 sq ft) of beach per hour, give or take depending on the topography, and features an agile track system that enables it to turn on the spot, allowing it to function in tight areas. Its creators imagine it finding use in everything from hotels, to beachfront properties, to nature reserves and even golf courses.

For now, it is being tested by 4ocean on the beaches of Florida, with plans to send BeBots to Hawaii in the near future to assist with local cleanup efforts.

For more environmental news stories check out our Green Impact section at The Brighter Side of News.


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