Our goal is to capture and store 1 megaton of CO₂ each year by 2028

Direct Air Capture Innovation

CO₂CLEANUP is a novel process developed by SCW Systems. Its focus is to sustainably and efficiently remove carbon dioxide (CO₂) directly from the atmosphere. The aim of SCW is to continuously lower energy requirements for carbon removal, CO₂ release and/or permanent sequestration.

The basic process of Direct Air Capture (DAC) involves structures, which use chemical processes to capture CO₂ molecules from the air. Once captured, the CO₂ is released and the required chemicals are regenerated.

Upon release the CO₂ can be stored permanently, meaning negative emissions, in geological formations or by being converted into solids. Moreover, it can be used as feedstock for synthetic fuels.

The Intergovernmental Panel on Climate Change (IPCC) states that CO₂ removal is a critical tool for achieving net zero by 2050.  To prevent irreversible tipping points causing severe climate risks, global temperature increase must be limited. Direct Air Capture can help lowering CO₂ concentrations in the atmosphere.

SCW’s first Direct Air Capture Tower has a capacity to remove approximately 6,000 tons per year. It is in operation at CO₂CLEANUP’s first industrial plant in Alkmaar, the Netherlands.

The unique technology is developed inhouse by SCW and is completely electrically driven, it does not require thermal heating, is modular and proven on industrial scale.





























Direct Air Capture Requirements

For Direct Air Capture to be effective in addressing climate change, several requirements must be met:

1. Energy Efficiency. DAC systems must work energy-efficient to minimize their environmental footprint and reduce operational costs.

2. Cost-Effectiveness. The technology must become cost-effective at scale. The costs can be reduced through technological innovation, optimization of processes and economies of scale.

3. Scalable. DAC technology needs to be scalable to capture significant amounts of CO₂ from the atmosphere. This requires the development of large-scale, modular DAC facilities.

4. Carbon Removal Efficiency and Capacity. To make a meaningful impact on atmospheric CO₂-levels, the DAC systems must have significant carbon removal efficiency and capacity. This requires optimizing the capture efficiency of DAC technologies and deploying them at many locations.

5. Public Acceptance. DAC projects need to gain public acceptance to operate. Engaging with local communities, addressing concerns about environmental impact and ensuring transparency in project development are essential for building trust and support. Visual attractiveness of DAC towers in the landscape could help.

Direct Air Capture Challenges

The technical and design challenges direct air capture (DAC) must overcome are several:

1. Low concentration of CO₂ in air. The concentration of CO2 in the atmosphere air is relatively low at 400 parts per million (ppm). This means that large volumes of air need to be processed to capture a significant amount of CO₂.

2. Thermodynamic constraints. The process of capturing CO₂ from the air involves overcoming thermodynamic constraints.

3. Selective capture of CO₂, which is super diluted in air. For every 2500 molecules of air only 1 molecule is CO₂. To efficiently remove only this one and not the other components of air requires innovative solutions.

4. Release of captured CO₂. Upon capture of CO₂ this must be released in preferably pure form to enable different applications.

5. Regeneration of capture materials. The material that collects the CO₂, needs to be regenerated to continuously capture CO₂.

CO₂CLEANUP: at energy levels previously considered unlikely.

Currently, the perception is that DAC-technologies still require significant energy. However, this new CO₂CLEANUP process, developed by SCW, has proven to be able to operate at energy levels previously considered unlikely.

The CO₂CLEANUP process is an efficient and integrated process that has streamlined the capture, release and regeneration steps of CO₂.


















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