The pioneering scheme by Planetary Technologies is designed to remove CO2 from the atmosphere by increasing the alkalinity of the water…
Planetary Technologies will release between 200 and 300 tonnes of magnesium hydroxide in its mineral form, brucite, in St Ives Bay over three months this spring. Magnesium hydroxide is probably better known as the compound Milk of Magnesia, used as a laxative…
The approach is called ocean alkalinity enhancement, and uses an alkaline mineral to shift the pH value of the sea. Making the water more alkaline speeds up the natural way oceans lock CO2 away by neutralising dissolved CO2 and turning it into a salt.
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