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Quicklime, known as Calcium Oxide (CaO), is produced by calcining high quality limestone at elevated temperatures. It is low in impurities and possesses a high degree of reactivity making it suitable for use in chemical processes. Quicklime is a white, caustic, alkaline, crystalline solid at room temperature. It is highly reactive with water, generating considerable heat in the hydration process.
Part of the extracted stone, selected according to its chemical composition and granulometry, is calcined at about 900oC in Vertical kiln, fired by such fuels as coal, pet coke, etc. The CO2 of the stone is released to produce Calcined lime or Quicklime or Burnt Lime (CaO respectively).
CaCO3 + Heat = CaO + CO2
Calcium oxide can be utilized in a variety of applications because of its physical and chemical qualities. Quicklime is produced and sold in several sizes ranging from ¼” to 2″.
Quicklime has set the standard for “lime” users for many years. Our Quicklime is used in Mining, flue gas desulfurization, water and waste water treatment, steel, paper, chemical, and environmental applications. Standard Quicklime is produced and sold in several sizes. Our Granular and ½” Pebble Quicklime are generally slaked for use in industrial applications. The larger sizes are commonly used as fluxing agents in the metals industry.
There are five types of Standard Quicklime manufactured at our plant:
2mm—80% smaller than 2mm quicklime that can be used in the application of mining of copper, gold or Iron.
All products are available to be shipped via barge, rail, or truck. The Standard ½” and Granular Quicklime are also available in 50# bags packaged in Ste. Genevieve, MO. Special packaging and/or bulk bags can be accommodated through our packaging partners.
Major Applications