Mineral Carbonation

Mineral carbonation also known as Mineral Sequestration aims at trapping carbon in the form of carbonate salts. The basic idea of mineral carbonation is to transform minerals (mostly calcium or magnesium silicates) with CO2 to (Ca or Mg) carbonates.  Mineral sequestration involves reaction of CO2 with common mineral silicates to form geologically stable carbonates like magnesite or calcite. This reaction that converts naturally occurring minerals to geologically stable minerals and silica is exothermic and hence thermodynamically favoured. The most promising feedstock minerals are Olivine, Serpentine and Wollastonite.

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