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.

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.
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.
Production at the largest active coal mines in the Illinois Basin declined slightly in the fourth quarter of 2014 from the previous quarter, but full-year 2014 production was 4.6% higher than the previous year, reflecting continued strong demand for coal from the region.
These mines included 2,113 active coal mines (1,438 surface mines and 675 underground mines).
Earlier this year, the president unveiled his plan to dismantle the so-called Clean Power Plan, a policy designed to shut down nearly every active coal plant.
With the Highland mine closure, the UMWA will cease to represent labor at any active coal mine in the ILB, which includes Illinois, Indiana and western Kentucky.
After dust levels were lowered, data from the surveillance program documented reductions in the prevalence of CWP among active coal miners (2).
Tenders are invited for letap de tossa-lloret has 9 active carbon filters and its management results in cycles of three filters and every three years, so that the filter groups are in one of the following situations: i) virgin granular active coal; ii) first reactivation; iii) second reactivation.
Tenders are invited for recruitment of the supply and transportation of active coal for the sirusa plant.
Energy Mapping System to provide another route to discover data on all of the nation's active coal mines; and

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