activated carbon

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Related to Active coal: activated charcoal

activated carbon

[′ak·tə‚vād·əd ′kär·bən]
(materials)
A powdered, granular, or pelleted form of amorphous carbon characterized by very large surface area per unit volume because of an enormous number of fine pores. Also known as activated charcoal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

activated charcoal, activated carbon

Charcoal obtained by carbonizing organic material, usually in the absence of air; usually in granular or powdered form; highly effective in adsorbing odors in air or in removing colors in solution.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
On the 30th day of the experiment, general condition of laying hens that received active coal feed additive in doses of 200, 400 and 800g per ton of ready feed finally returned to normal.
Filtration on granular active coal with seeming filtration speed [v.sub.f] =5 m/h and time t = 8 min.
According to the company, it manages and further develops all active coal operations in Pennsylvania.
These mines included 2,113 active coal mines (1,438 surface mines and 675 underground mines).
After dust levels were lowered, data from the surveillance program documented reductions in the prevalence of CWP among active coal miners (2).

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