Activated Carbon
8/28/2008
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“Activated
carbon, also called activated charcoal or activated coal, is a
form of carbon that has been processed to make it extremely porous and thus to
have a very large surface area available for adsorption or chemical reactions.
The word activated in the name is sometimes substituted by active.
Due to its high degree of microporosity, just one gram of activated carbon has a
surface area of approximately 500 m˛, as determined typically by nitrogen gas
adsorption. Sufficient activation for useful applications may come solely from
the high surface area, though further chemical treatment often enhances the
adsorbing properties of the material. Activated carbon is usually derived from
charcoal. “
Wikipedia:
http://en.wikipedia.org/wiki/Activated_carbon [8/26/2008]
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Roger D Corneliussen
Editor
Telephone: 610 363 9920
Fax: 610 363 9921
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cornelrd@bee.net
SPE Online Encyclopedia
www.maropolymeronline.com