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Answer to Question #57193 in General Chemistry for jaydeep

Question #57193
What happens when granular activated carbon is submerged in water for a long time ?
Expert's answer
Re: Question #57193, Chemistry / General Chemistry | for completion
AP
Alex Pavlyuk <pavalex@gmail.com>
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questions - globalfreelance.ua; Sun 03/01/2016 00:11
Chemistry
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It depends on several factors
1. Water quality. If the water containe organic impurities after a while comes equilibrium sorption-desorption and most of the impurities will be absorbed by carbon. Inorganic impurities (salts, acids, alkalis) usually are not practically sorbed.
2. A method for manufacturing of activated carbon. If the granules obtained by pressing powder activated carbon, after a while they collapse and at the bottom of the vessel will be powdered coal.
3. The residence time of coal in the vessel. Prolonged storage of coal in the vessel with water possible proliferation of pathogenic bacteria.

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