![]() ![]() Organic chemicals link or attach to the surface of the carbon filter by van der Waals forces allowing clean water to pass through a carbon filter.Īnother way a carbon filter works, especially on liquid gases such as Chlorine, is through a chemical reaction rather than adhesion of particles to carbon particles. As a carbon with a clean surface, it is oleophilic, which means "oil-loving" it has a strong attraction with organic compounds and other non-polar contaminants. Particles adhere to a surface through adsorption, just like Velcro. As a sponge absorbs water, carbon filters absorb pollutants. One way a carbon filter removes contaminants by adsorption. How do activated carbon blocks and GAC filters work? The removal of contaminants from water using carbon is still practised today and of course improved,, creating a better tasting and smelling food and beverage. ![]() What are the carbon filters?Īs with all water filters, carbon filters are designed to filter out or change a chemistry of specific contaminants from drinking water based on particle size or its ion charge.Īncient Egyptians discovered the detoxifying effects of carbon thousands of years ago. In this post we will focus on drinking water. Let's compare them.īoth GAC-Granular Activated Carbon and Carbon Block filters (which are sometimes also activated) are carbon type filters that remove particles from water. There are 2 main type of carbon filters on the market, GAC and Carbon Block.
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