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DOE-supported CO2-capture project hits major milestone: 4 million metric tons

A large-scale CO2 capture technology made possible through support from the Department of Energy’s Office of Fossil Energy and National Energy Technology Laboratory has captured and transported its 4-millionth metric ton of CO2. Air Products and Chemicals designed, built, and is operating the state-of-the-art CO2-capture and storage system at their hydrogen-production facility located at the Valero Port Arthur Refinery in Port Arthur, Texas. (Earlier post.)

The project utilizes a gas-separation technology called vacuum swing adsorption to capture more than 90% of the CO2 from the product streams of two commercial-scale steam methane reformers used to produce hydrogen, 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 oil field in southeast Texas. Injected CO2 can dissolve and displace oil residue that is trapped in rock pores. The demonstrated technology can also enhance the US hydrogen market for refinery use, which is estimated to be almost 4 million tons annually.

Comments

HarveyD

To capture CO2 from methane while extracting H2 and recycle it (to some extend) by producing more Oil is a smart way to reduce pollution and GHG in the complete process?

This could further reduce H2 total effective cost and make FCEVs mor competitive?

SJC

Sequester CO2 in empty oil and gas wells with a pipeline system. We will need the carbon later for synthetic fuels and carbon fiber.

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