A CO2 scrubber is an air purification system designed to capture and remove carbon dioxide (CO2) from industrial exhaust gases, indoor air, enclosed environments. These scrubbers are widely used in power plants, submarines, spacecraft, and industries aiming to reduce greenhouse gas emissions. CO2 scrubbers operate using chemical absorption, adsorption, or membrane separation techniques. Common absorbents include alkali-based solutions or solid sorbents that react with CO2, converting it into a stable compound. By effectively reducing CO2 levels, these systems help industries comply with environmental regulations, improve air quality, and support carbon capture initiatives for a more sustainable future.