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Speaker 1: brain with today's question. What is activated charcoal and why
Speaker 1: is it used in filters? Charcoal is carbon. Activated charcoal
Speaker 1: is charcoal that has been treated with oxygen to open
Speaker 1: up millions of tiny pores between the carbon atoms. These
Speaker 1: pores give the charcoal amazing surface area, maybe a thousand
Speaker 1: square meters or more per gram of charcoal. The word
Speaker 1: ads orb is important here. When a material adds orbs something,
Speaker 1: it attaches to it by chemical attraction. The huge surface
Speaker 1: aery of activated charcoal gives it countless bonding sites. When
Speaker 1: certain chemicals pass next to the carbon surface, they attached
Speaker 1: to the surface and they get trapped. Activated charcoal is
Speaker 1: good at trapping other carbon based impurities organic chemicals in
Speaker 1: other words, as well as things like chlorine, many other
Speaker 1: chemicals are not attracted to carbon at all. Sodium nitrates,
Speaker 1: things like that so they pass right through. This means
Speaker 1: that an activated charcoal filter will remove certain impurities while
Speaker 1: ignoring others. It also means that once all the bonding
Speaker 1: sites are filled and activated charcoal filter stops working. At
Speaker 1: that point, you have to replace the filter. Do you
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