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Activated Alumina

This Adsorbent is manufactured by employing latest technology. The extremely high reactive Alumina Powder used in our process leads to an important crystalline change during the agglomeration processes increases the adsorptive properties, surface area, pore volume and develops very high mechanical properties.

The main advantage of our Activated Aluminas are ease of Handling, Non-corrosive for repeated regeneration, inertness towards liquid water, stability to heat up to fairly high temperature, low resistance to gas flow, great mechanical strength and low dew points. (-75’C.) can be achieved.

 

 

 
 
Technical Specification
Size   3 to 5 mm

+ Size
% 5.0 max.

- Size
% 5.0 max.

Bulk density
kg/lit.
0.78 +/- 0.05

Pore Volume
cc/gm.
0.45 +/- 0.05

Attrition loss
% 0.4 max.

H2O Adsorption Capacity
@ 30’C. & 60% RH


%


19.0 min.


Surface Area Sq.mt./gm
350 +/- 45


ATL’s Activated Alumina is used for Drying of Air, drying of Gases other than air, drying of liquids, Purification and conditioning of insulating oil, Removal of acidic impurities, used in refrigeration circuits, used as transit packing for goods like electronic, pharmaceuticals, food and used as catalyst & catalytic support carriers.

 

 

 
 
ACTIVATED ALUMINA Technical Specification
Grade
IS-I HF-I
DF-I
CI-I
RH-I
FR-I

Form
Beads
Beads Beads Beads Powder Powder

Size (mm or microns) 2-6 & 5-8 2-4
1-3 2-6 45-65 65-100

Bulk Density Gms/lit
0.75-0.85
0.76- 0.84
0.76-0.86
0.75-0.85
0.8-1.1 1.2-1.4

Surface Area (sqm/gm) 345-415
325-365
325-375
325-365
300-350
NA

Pore Volume (cc/gm)
Pore Volume (cc/gm)
0.42-0.48
0.42-0.48
0.42-0.48
NA NA

Adsorption Capacity (60%RH) 21.5
NA 22 NA NA NA

Attrition Loss (%)
0.2
0.5 max
0.5 max
0.5 max
NA NA

 

 

 
Chemical Composition
Na2O NA 0.25 max 0.25 max 0.25 max 0.35 max 0.20 max

Fe2O NA 0.10 max 0.10 max 0.10 max 0.10 max 0.10 max

SiO2 NA 0.08 max 0.08 max 0.08 max 0.08 max 0.08 max

TiO2 NA 0.04 max 0.04 max 0.04 max 0.04 max 0.04 max

Promoter NA - Yes Yes - Yes

LOI (300’C-1000’C)
6-8 5-7 6-8 5-7 7-10 -

Al2O3 92 min
93 min
92 min
93 min
90 min
64 min

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