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activated carbon

GRANULAR ACTIVATED CARBON

Granular activated carbon has a relatively larger particle size compared to powdered activated carbon and consequently, presents a smaller external surface. Diffusion of the adsorbate is thus an important factor. These carbons are therefore preferred for all adsorption of gases and vapors as their rate of diffusion are faster. Granulated carbons are used for water treatment, deodorization and separation of components of flow system. The most popular aqueous phase carbons are the 12×40 and 8×30 sizes because they have a good balance of size, surface area, and loss characteristics. In gas phase adsorption, granular carbon is almost always used because the pressure drop in the carbon bed is of prime importance and only granular carbon will allow sufficient flow with an acceptable pressure drop.


SPECIFICATION :

Iodine No. Mg / gm min.

450 IV

600 IV

800 IV

900 IV

1100 IV

Apparent Density gm/cc. Min

0.57

0.55

0.49

0.47

0.45

CTC% Min.

20

40

50

55

60

Ash Max %

3

3

3

3

3

Moisture Max%

5

5

5

5

5

Hardness Min%

95

95

90

90

90

Surface Area

500

650

750

950

950

Sq. M / gm. Min pH value

07/08/11

07/08/11

07/08/11

07/08/11

07/08/11


HS Code : 38021000