Products
Active Alumina for Adsobent and Desiccant
Product Name:
Active Alumina for Adsobent and Desiccant
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Performance
Activated alumina ball is an excellent desiccant for drying a wide variety of liquids and gases. Our activated alumina has been developed with high attrition resistance and crush strength, It has larger water adsorption capacity comparing to molecular sieve at high relative humidity and providing long service life with performance at or below dew point specifications. Activated alumina is widely used in large and small dryers. It is appropriate for use in dehydrating gases in both thermally regenerative and pressure swing adsorption (PSA) process. 
Specification

TYPE

AA-1

AA-2

AA-3

AA-4

AA-5

Application

Adsorbent

Fluoride Removal

H2O2 Production

Catalyst Carrier

Air Dryer

Appearance

White Beads, Insoluble in water, Innocuous

Crystal Type

x-p

x-p

y

y

x-p

Composition (%)

Al2O3

≥93

≥93

≥93

≥93

≥93

Na2O

≤0.3

≤0.3

≤0.5

0.15-3

≤0.3

LOI (%)

4~7

4~7

≤8

≤5

6~8

Bulk Density (g/ml)

0.68~0.75

0.70~0.75

0.70~0.80

0.70~0.80

0.70~0.80

Surface Area (m2/g)

≥300

≥300

280~300

≥300

≥300

Pore Volume (ml/g)

0.40~0.50

0.30~0.42

0.45~0.50

0.40

0.40~0.50

Static Water Absorption (RH=60%) (%)

15~17

3~4Fluoride

17~20

17~20

17~19

Active (%)

--

--

56~62

--

--

Attrition Loss (%)

≤0.1

≤0.1

≤0.1

≤0.4

≤0.1

Crushing Strength (N/pc)

2~3mm

≥60

≥60

--

--

≥60

3~5mm

≥150

--

≥150

≥150

≥150

4~6mm

≥250

--

≥250

≥250

≥250

8~10mm

≥350

--

--

--

≥350





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