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Products
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Desiccants
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Activated
Alumina Balls |
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Activated
Alumina developed and manufactured by DESICCA CHEMICALS is of superior quality
adsorbent / desiccant. Activated Alumina is
manufactured by latest technology to attain
the high quality properties such as
Adsorption, Surface area, Pore Volume and
Mechanical strength.
The main advantage of our Activated Alumina
are ease of handling, non-corrosive nature,
capacity for repeated regeneration, Inert
towards liquid water, stability to fairly
high temperature, low resistance to gas
flow, great mechanical strength and can
achieve low dew point of - 75°C. |
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Activated
Alumina Balls
Size : 2 - 6 mm |
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Activated
Alumina Balls
Size : 5 - 8 mm |
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SPECIFICATIONS : ACTIVATED
ALUMINA |
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Grade |
IS
- I |
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Form |
Beads |
Beads |
Beads |
Beads |
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Size (mm or mic) |
5 - 8 |
2
- 4 |
1
- 3 |
2
- 6 |
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Bulk Density (gm/lit) |
0.75 - 0.85 |
0.76 - 0.84 |
0.76 - 0.86 |
0.75 - 0.85 |
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Surface area (m2/gm) |
345 - 415 |
325 - 365 |
325 - 375 |
325 - 365 |
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Pore Volume (cc/gm) |
0.40 - 0.50 |
0.42 - 0.48 |
0.42 - 0.48 |
0.42 - 0.48 |
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Adsorption Capacity (60% RH) |
21. 5 |
NA |
22 |
NA |
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Attrition Loss (%) |
0.2 |
0.5 max. |
0.5 max. |
0.5 max. |
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Chemical Composition (%) |
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Na2O |
NA |
0.25 max. |
0.25 max. |
0.25 max. |
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Fe2O |
NA |
0.10 max. |
0.10 max. |
0.10 max. |
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SiO2 |
NA |
0.08 max. |
0.08 max. |
0.08 max. |
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TiO2 |
NA |
0.04 max. |
0.04 max. |
0.04 max. |
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Promoter |
NA |
---- |
Yes |
Yes |
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LOI(300°C - 1000°C) |
6
- 8 |
5
- 7 |
6
- 8 |
5
- 7 |
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Al2O3(By difference) |
92
min. |
93
min. |
92
min. |
93
min. |
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NOTE:
Adsorption capacity & surface area will be
less by 5% above 5 mm of beads.
We do manufactures tailor made Activated
Alumina for various applications to be used
as Specialty Adsorbent, Catalyst / Catalyst
Carrier, Bed Support etc.
DESICCA GRADE Activated Alumina is used for
drying of air, gases, and liquids.
Purification and conditioning of insulating
oil and Industrial oils. Removal of acidic
impurities and trace metal scavenging in
organic streams and inorganic gases
(fluoride scavenging in HF alkylation and
feedstock purification). Removal of oil
vapours from gases. Purification of drinking
water e.g. removal of floride compounds etc.
Used in refrigeration circuits, transit
packing for goods like electronic
pharmaceutical and food. Used as catalyst &
catalyst bed support / carriers. Grade FR -
I used as fire retardant fillers. |
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SPECIFICATIONS : ACTIVATED
ALUMINA BALLS (For Bed Support) |
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Physical Properties |
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Individual Ball Density (kg/ltr.) |
3.20 min |
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Apparent Porosity (%) |
10
max. |
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PCE Orton Cone/°C |
+38/1835°C |
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C.C.S.(point load) kg., min |
1/8" ¼" 3/8" ½"75 150 300 400 |
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Chemical Specification |
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Al2O3 |
99% min. |
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SiO2 |
0.30% max. |
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Fe2O3 |
0.20% max. |
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Na2O |
0.40% max. |
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CaO |
0.10% max. |
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APPLICATIONS |
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Alumina Balls
when used as bed toppings and supports will
act as filters to remove many impurities
from the gas stream & help in uniform
distribution of the feed gas. Presence of
Alumina Balls at the top & bottom of the
catalyst bed, keep the bed intact during
pressure fluctuation. It can withstand high
thermal shocks and are unaffected by
repeated emergency shutdown and startups.
The Alumina refractory bed supports are
specially useful as inert catalyst support
in secondary reformers of ammonia
manufacturing plant and also oil refineries
and chemical process industries. |
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SPECIFICATIONS : CERAMIC BALLS
(For Bed Support) |
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Physical Properties |
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Individual Ball Density (kg/ltr.) |
2 |
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Apparent Porosity (%) |
2.0 max. |
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PCE Orton Cone/°C |
+23/1600°C |
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C.C.S.(point load) kg., min |
300 |
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Chemical Specification |
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Al2O3 + SiO2 |
90
- 95 % |
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Al2O3 |
20
- 35% |
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SiO2 |
58
- 72 % |
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Fe2O3 |
0.04% max. |
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Na2O + K2O |
3.5% max. |
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CaO + MgO |
1.0% max |
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APPLICATIONS |
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As refractory
bed top plugs and supports in order to
protect the catalyst bed from thermal
impurities so that the catalyst bed is kept
intact in spite of wide pressure variation. |
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PACKAGING |
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Activated
Alumina Balls (for Adsorption)
50 kg or 160kg in MS Drum with inside
polyliner
Activated Alumina Balls (for Bed Support)
Steel drum of 200 litres with inside
polyliner containing 280 kg
Ceramic Balls (for Bed Support)
Steel drum of 200 litres with inside
polyliner containing 280 kg |
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