Having worked with the cement and lime industries for many years, Air Products has helped customers with all types of kilns improve their operations. Our combustion specialists have developed extensive knowledge and practical experience in the implementation of oxygen-enhanced combustion in cement and lime manufacturing. Oxygen enrichment is a flexible, efficient, cost-effective technology that can help improve the profitability of your cement or lime operation. With minimal capital investment, you can increase production, increase use of alternative and waste fuels, decrease emissions, and improve overall kiln operation. Key features and benefits of oxygen-enhanced combustion are summarized below. Details on all of our offerings as they apply to your processes are available by clicking on the links provided at the end of the page.


  • Extensive experience with all types of kilns
  • Low installation costs
  • Proprietary technology for oxygen injection
  • Can be installed in various pyroprocessing zones
  • On-site specialists provide technical assistance during start-up
  • Ongoing technical support after installation


  • Increase production by 5% to 30%
  • Increase use of alternative fuels by 30% to 80%
  • Reduce emissions
  • Improve kiln stability
  • Reduce specific fuel consumption
  • Attain more consistent product quality
  • Avoid costs of capacity additions or debottlenecking

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glass minerals cement ad

Add Oxygen

You’ll burn alternative fuels more consistently. (235 KB)

Add Oxygen

Watch your profits heat up.
(131 KB)

Oxygen-Enhanced Cement Production

Increase your profitability with oxygen injection. (368 KB)

Historic Times. Historic Solutions.

The Historic Saylor Cement Kilns in Coplay, Pennsylvania.

Oxygen Economics

Model for projecting financial benefits of oxygen enrichment

Enhanced Combustion

Operating results and data following O2 injection (205 KB)

The Power of Oxygen

Lime producer increases production with O2 (381 KB)

When to Enrich the Kiln?

Economics for three cement plant scenarios (235 KB)

Enhanced Combustion of Alternative Fuels

O2 enables increased alternative fuel substitution rate. (2.6 MB)

Steetley Dolomite Case Study

Oxygen optimizes kiln combustion. (256 KB)


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