Question

why is activated carbon used in water treatment

Answer 1

Active charcoal carbon filters are most effective at removing chlorine, sediment, volatile organic compounds (VOCs), taste and odor from water. They are not effective at removing minerals, salts, and dissolved inorganic compounds.

Answer 2

Answer: Because it adsorbs the impurities.

Explanation:

The activated carbon is present in the form of granules or is made up of granular material which is produced from the roasting of charcoal from the shells of coconut or coal shells at 800 to 1000 degrees Celcius to activate the carbon and then the impurities whichever are present are also removed by using acid washing and it has the pore size of the 5000 nm or it can range up to 1000nm and whenever water purification is done activated carbon is done to remove the free chlorine and the chloramines from the feed water to reverse the osmotic membranes and to remove the traces of the organic impurities from the purified water and the activated carbon can be used as an adsorbent also when water is purified on a large scale to adsorb the organic impurities as it reduces the free chlorine present into carbon dioxide and it also breaks the chloramines by a relatively slow catalytic reaction to produce ammonia nitrogen and the chloride and the pored carbon adsorbs the organic impurities.  The activated carbon is able to absorb a large amount of the organic impurities due to its larger surface through the involvement of ionic, Vanderwall, and polar forces.

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