noun
a substance that is used to remove impurities or contaminants from gases or liquids through a process called adsorption
adjective
describing a type of carbon that has been processed to have a large surface area and is able to adsorb impurities
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Active carbon, also known as activated carbon, is widely used in water treatment and air purification processes.
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I heard that active carbon filters are great for keeping the air in your home clean.
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Yo, you should totally get some of that active carbon stuff to clean up the water in your fish tank.
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Her kindness acts as an active carbon, absorbing all the negativity around her.