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Quicklime is calcium oxide (CaO), which has varying particle size depending on the end use and high available calcium content. Quicklime is produced by burning or calcining limestone (calcium carbonate) in a kiln at 2000 degrees +/-. Quicklime is used primarily in flue gas treatment of sulphur emissions, water and wastewater treatment, soil amendment processing, well drilling applications, among other environmental or agricultural applications. Quicklime is produced by two kilns at the Rapid City, South Dakota Complex and also at Wyoming Lime Producers in Frannie, Wyoming (a Basin Electric owned plant operated by Pete Lien & Sons).

Safety Data Sheet - Lime

Safety Data Sheet - LKD 

Hydrated Lime is produced by hydrating quicklime to produce calcium oxide which has small particle size, good flow properties, high surface area, and high total and available calcium hydroxide. Hydrated lime is used primarily in water and wastewater treatment, asphalt concrete treatment for anti-strip purposes, soil amendment processing, among other environmental applications. Hydrated lime is produced at the Rapid City Complex as well as the Colorado Hydrator located in LaPorte, CO.


Safety Data Sheet - Hydrated Lime

Lime FAQs

  • What is the difference between lime and limestone?

    Limestone is calcium carbonate mined from the ground and crushed for various end uses. When high calcium limestone is burned or calcined in a lime kiln, quicklime (calcium oxide) is produced. Quicklime can then be reacted with water to produce hydrated lime (calcium hydroxide). Quicklime has a much higher available calcium carbonate equivalent percentage when compared to limestone and a slightly higher value compared to hydrated lime. Generally speaking, the calcium carbonate equivalent values are as follows:

    Limestone (calcium carbonate): 80-100%
    Quicklime (calcium oxide): 150-175%
    Hydrated Lime (calcium hydroxide): 120-135%

  • How is lime made?

    Lime is produced through the calcination of limestone (calcium carbonate) in a lime kiln at temperatures at or above 2000 degrees Fahrenheit.  The product of calcination of high calcium limestone is "quicklime" or calcium oxide.  Quicklime in turn can be reacted with water to produce hydrated lime (calcium hydroxide).

  • What are common uses for lime?

    Lime is a versatile product with many end uses. Some of the many uses include flue gas desulfurization in the coal fired power industry, water treatment (lime softening), anti-strip additive for asphalt hot mix, corn stover treatment for cattle feed, soil stabilization, drilling mud applications in the oil industry, or pH adjustment in various industrial or water treatment processes. If you have any questions regarding a potential lime application, one of our technical sales representatives would be happy to assist.

  • How should lime be handled?

    Lime should be handled with care and not until the Material Safety Data Sheet (MSDS) has been reviewed.  See the products tab of our website to obtain an MSDS for our lime.  Lime should be stored in silos or an area where it is not susceptible to moisture.  Quicklime (calcium oxide) can be stored for short periods of time in 1-ton super sack totes.  Hydrated lime at Pete Lien & Sons is also bagged in 50-lb bags.   

  • How can I obtain a lime certification?

    Contact your local sales representative to obtain a certification for your project. We are able to provide certifications for water treatment verification, anti-strip applications by all State and Federal Transportation Departments, or a variety of other uses.

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Holly Lien
605-342-7224

Daryl Mecham
605-342-7224

 

 

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Locations & Products

Rapid City Complex 
Rapid City, SD

  • Bulk Quicklime
  • Bulk Hydrated Lime
  • One ton Super Sacked Quicklime
  • 50-lb bags of Hydrated Lime

Wyoming Lime Producers
Frannie, WY

  • Bulk Quicklime 

Colorado Hydrate
LaPorte, CO

  • Bulk Hydrated Lime

Rapid City Products

50lb_Bag Super_Sacked

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Disclaimer
Calculation does not account for reinforcement or waste. Contact your local sales representative to verify the volume necessary for your project.