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Editor's note: This article has been updated to include Air Products' correct business name.
On June 30, Allentown, PA-based Air Products successfully captured and transported, via pipeline, its 3 millionth metric ton of carbon dioxide (CO2) to be used for enhanced oil recovery. This achievement highlights the ongoing success of a carbon capture and storage (CCS) project sponsored by the U.S. Department of Energy (DOE) and managed by the National Energy Technology Laboratory (NETL).
The project demonstrates how a gas separation technology called vacuum swing adsorption can be implemented into an operating facility. The technology is being used at a hydrogen production facility in Port Arthur, Texas, to capture more than 90 percent of the CO2 from the product streams of two commercial-scale steam methane reformers, preventing its release into the atmosphere.
In addition to demonstrating the integration of Air Products’ vacuum swing adsorption technology, the project is also helping to verify that CO2-enhanced oil recovery (CO2-EOR) is an effective method for permanently storing CO2. CO2-EOR allows CO2 to be stored safely and permanently in geologic formations, while increasing oil production from fields once thought to be exhausted.
The CO2 captured from the Port Arthur facility is being used for EOR at the West Hastings Unit (oilfield) in southeast Texas. Injected CO2 is able to dissolve and displace oil residue that is trapped in rock pores. It is estimated that the West Hastings Unit could produce between 60 and 90 million additional barrels of oil using CO2 injection.
In total, projects sponsored by the U.S. Department of Energy have captured and securely stored more than 12 million metric tons of CO2, equivalent to taking more than 2 million cars off the road for a year. Investing in projects and technologies, such as Air Products’, are critical to paving the way for more widespread use of CCS technologies.
The Air Products project is supported through DOE’s Industrial Carbon Capture and Storage (ICCS) program, which is advancing the deployment of CCS technologies for industrial sources at commercial and utility-scale. CCS innovation is important to not only reduce future greenhouse gas emissions from power plants, but it also helps to ensure that U.S. industries are powered in the most efficient, sustainable, and clean way possible, while continuing to use America’s long-standing and abundant energy resources.