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The added calcium hydroxide, or lime, raises the water’s pH and enables it to sequester more CO2 in the form of calcium bicarbonate or as carbonate deposited in the shells of sea creatures.

His creation allows air to pass through a warehouse filled with calcium hydroxide.

That is then treated with a slurry of calcium hydroxide to change it into solid form; the slurry helps form tiny pellets of calcium carbonate.

Each corn varietal has to be investigated to find the correct amount of calcium hydroxide and appropriate cooking times.

The resulting solution of potassium carbonate is filtered and exposed to a slurry of calcium hydroxide.