Why is Carbon Used in Air Purifiers?

Activated carbon is used in home air purifiers because, like air sponges, carbon filters trap airborne odors and gases. The reason it is called "activated" charcoal is that it’s been treated with oxygen. This opens up tiny pores between the carbon atoms and the pores trap the odors and gases. Carbon granules have a very convoluted surface, providing it with a large surface area to volume ratio, which makes carbon filters tops for... Read More