The mechanism under consideration, specifically defined as adsorption (a process whereby the solute adheres to a solid surface), can be applied in the field of liquid or air purification.
Activated charcoal can be produced from various organic substances with a high carbon content, such as wood, charcoal, peat, coconut, etc.
In particular, there are two types of activated carbons: untreated activated carbons, which are used for easily absorbable substances, and impregnated carbons, which are the result of a process that modifies the substance itself, allowing it to be absorbed.
The purifying properties of carbon have been known since ancient times, but it is only in recent times that it has begun to be used in industry.
The first drinking water applications date back to 1800 in England, where it was used to remove odours from treated water.
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