Photo: Seabound
In an industrial park in a London suburb, thousands of cherry-sized pellets made from quicklime soak up diesel fumes, scrubbing most of the carbon from ship exhaust. Seabound, the company behind it, hopes to capture large amounts of carbon directly from the decks of cargo ships. Alisha Fredriksson and co-founder Roujia Wen hit on the idea of scaling down the existing quicklime-based carbon-capture technology typically employed at industrial plants. Successive prototypes have taken them from east London, to Turkish shipyards, the deck of a 3,200-container ship, and down the Suez canal on a three-week voyage that showed that a Seabound unit can capture 78% of all the carbon from the exhaust that is pumped through it, and 90% of the sulphur, a toxic air pollutant. The latest prototype is being built to the dimensions of a standard 20ft (5.9 meter) shipping container, so it can seamlessly slot in with cargoes on deck.
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