How To Extract The Limestone From The Ore
How To Extract The Limestone From The Ore. Apr 24 2017 how to extract calcium from limestone ores the following equation shows this reaction caco3 cao co2 place the lime you obtained in step 5 into a vacuum container and add aluminum heat this mixture to 2552 degrees frenheit to obtain pure calcium according to this equation 5cao 2al al2o3 2cao 3ca.