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Information @ a Glance

General
  • Activated carbon, also called activated charcoal or activated coal, is a general term which covers carbon material mostly derived from charcoal.
  • Activated carbon is one of the most effective absorbents. Activated carbon is carbon which has a positive charge added to it, which makes it much more effective at absorbing impurities and chemicals

Production Process

  • Activated carbon is the tradename for highly porous products, made of carbonaceous raw materials, with a large internal surface of 400-1600 m2/g and a large pore volume of more than 30 cm3/100 g.
  • Steam activation and chemical activation are the two commonly used processes for the manufacture of activated carbon.
  • Activated carbon is a non-graphite form of carbon which could be produced from any carbonaceous material such as coal, lignite, wood, paddy husk, coir pith, coconut shell, etc.
  • Activated Carbon from coconut shells, a by-product of copra processing, is a good material for activated carbon/charcoal production.
  • Chemical activation is generally used for the production of activated carbon from sawdust, wood or peat and uses chemicals for activation.

Applications

  • Activated carbon removes organic pollutants, some of which discolor the water with a yellowish tint, organic acids, proteins, hormones, antibiotic compounds, and organic compounds as well as a variety of chemicals, medications, metals, and minerals.
  • Activated charcoal or carbon filters are the most widely marketed home water treatment device. They are used to remove unwanted tastes, odors and organic compounds from drinking water.
  • An activated carbon filter is used most frequently for annoyance problems.

Technology

  • Liquid phase carbon adsorption is a full-scale technology in which ground water is pumped through one or more vessels containing activated carbon to which dissolved organic contaminants adsorb.
  • The ACF made by Taiwan Carbon Technology is a high performance activated carbon existing in the form of woven fibres, not the impregnated into cloth and / or coated with granular activated carbon.

Market

  • Worldwide demand for virgin activated carbon is forecast to rise 5.0 percent per year through 2010 to 1.2 million metric tons. China will increase its share of the global activated carbon market to around 13 percent in 2010.
  • The average price per pound of activated carbon is forecast to rise 1.9 percent per year to 91 cents.
  • Higher priced granular activated carbon (GAC) products are forecast to have healthy long-term growth, and this will continue to drive gains in the value of total demand.

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