DAC

How is vacuum used in Direct Air Capture (DAC) technology?

May 10, 2024

3 MIN READ

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In response to climate change, there is a unified global focus to reducing humanity's carbon footprint. Direct Air Capture (DAC) is one way companies are pursuing to do just that.

Direct Air Capture (DAC) is a technology that involves removing carbon dioxide (CO2) directly from the ambient air. It's a form of carbon capture and storage (CCS) technology but focuses specifically on capturing CO2 from the atmosphere rather than from point sources like power plants or industrial facilities. As CO2 is emitted into the atmosphere, it becomes diluted, with concentrations dropping to 0.05%.

Overcoming challenges in DAC with dry screw vacuum pumps

Direct Air Capture (DAC) employs diverse methods to capture carbon dioxide from the atmosphere, with one prevalent approach resembling the action of passing water through a sponge. Much like how a sponge absorbs water and can later release it through squeezing, DAC utilizes a specialized matrix to capture carbon dioxide, which can then be released by applying  heat and creating a vacuum around the matrix. This is where our vacuum pumps play a crucial role! In this context, the Leybold DRYVAC vacuum pump proves invaluable. Specifically engineered for DAC applications, the Leybold DRYVAC excels in addressing the following challenges:

Water vapor handling

The matrix permanently traps the carbon dioxide and air humidity. A vacuum pump could find it challenging to handle a large amount of water vapor; thus, efficient pump management is critical to avoid water vapor condensation within the compression stage. Our solution effectively handles this task, ensuring optimal operation.

Energy efficiency

Intelligent control systems integrated into the pump enhance energy efficiency during sorbent regeneration. This contributes to sustainable and cost-effective operations, aligning with the fundamental goals of carbon capture initiatives.

Scalability

As the demands of carbon capture processes evolve, scalability becomes crucial. The Leybold DRYVAC is designed with scalability in mind, ensuring that the vacuum pumping system can adapt to growing requirements, making it a reliable choice for industrial applications. Combining the pump with a blower to allow higher pumping capacity, as well as incorporating a condenser to remove water and accelerate the system, further solidifies its ability to meet evolving needs efficiently.

The Leybold DRYVAC: A catalyst for sustainable DAC

The Leybold DRYVAC's suitability for Direct Air Capture applications lies in its innovative design and performance capabilities. As a dry vacuum pump, it minimizes the risk of water vapor condensation, a critical factor in DAC processes. Its ability to handle various gas flows showcases its versatility in addressing the unique challenges of carbon capture. Its energy-efficient design, coupled with intelligent control systems, ensures not only effective sorbent regeneration but also contributes to overall operational sustainability.

In a world where the fight against climate change requires cutting-edge solutions, the Leybold DRYVAC stands as a reliable and efficient tool in advancing the cause of greener, more sustainable industrial practices.

We not only offer cutting-edge vacuum technology but also deliver expertise in application through our proprietary software simulation program! Contact us for more information on our simulation tool.

Interested in learning more? Click here to read an interview featuring Norbert Palenstijn, Leybold Product Sales Development Manager, conducted in collaboration with Carbon Capture World, a recently launched magazine publication focusing on carbon capture!

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