How Activated Carbon Filters Water?

Answers:0   |   LastUpdateAt:2020-10-16 00:27:15  

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dingxinda9
Asked at 2020-10-16 00:27:15

Our water today is cleaner because of the world’s history and discoveries along the way. Today, activated charcoal, or activated carbon, is one of the components used in water filtration systems. In 2017, activated charcoal was a major player in water filtration, but substances like olive pits, shells from nuts, and coconut fibers are also being used. activated carbon for water treatment Before the year 2025 ends, it’s expected that the global activated carbon market will be worth more than $6.6 billion.

You’ve heard of the term absorb, which is to soak something up. Activated charcoal or carbon is a little different. It adsorbs odors and substances from liquids. Instead of absorbing these odors and substances, it bonds to them. That’s called adsorption.

A process using oxygen turns charcoal very porous. Those tiny pores trap and hold the substances that cause off-colors and odors in water. It can trap and hold things like chlorine, toxins, and even some prescription drugs that make their way into water sources.

In a household, you might have a water purification system like Brita or PUR that attaches to your faucet or a water pitcher and removes impurities and odors from your tap water. People often use them to remove the chlorine odor and taste that remains in public drinking water.

In a water treatment plant, crushed activated carbon or charcoal can help remove excess chlorine, organic materials, and other impurities. To do this, the crushed carbon is added right to the water where it removes the contaminants and then is removed after it settles with other sediments in holding tanks. Once it is removed, it can move to compost areas or landfills.

Sometimes, activated carbon pairs with a UV disinfection system to aid in the removal of chlorine and other compounds that affect the taste and smell of water that’s been treated.

The Environmental Protection Agency lists two ways to implement an activated carbon filtration system in a water treatment plant. One is a granular activated carbon filter that is added after the rapid mix, flocculation/sedimentation, and filtration steps. Water flows into the granular activated carbon filter once the water has been in the filtration tanks. This is known as post-filtration adsorption.

The second placement is as part of the filtration tank. The granulated charcoal sits in the bottom of the filtration tank where it filters out odors and other contaminants. In this type of system, you have the rapid mix, flocculation/sedimentation, and filtration.coconut shell activated carbon company 

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