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Carbon Filters

  • By: Hassan Bagher-Ebadian
  • In: Green Health: An A-to-Z Guide
  • Edited by: Oladele Ogunseitan
  • Subject:Environmental Technology, Policy & Management, Geography of Health

Carbon filters or charcoal filters have been used for several centuries and are still considered one of the most efficient and oldest methods of water purification. Historians have shown evidence that carbon filters may have been used in ancient Egyptian cultures for both air and water decontamination.

Carbon filters are being widely used in the healthcare and industry fields to control the level of contamination in liquid and gaseous materials. Carbon filters remove impurities and contaminant particles or clusters using the chemical adsorption method. An activated carbon or activated charcoal filter uses carbon that has been processed to improve adsorption by creating a number of large internal compartments that increase the surface area and create a maze-like structure that improves the probability of attracting the contaminants. ...

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