Activated alumina

         Type

Item

KA401

Absorbent

KA402

Defluoridizer

KA403

Absorbent for H2O2

KA404

Antichlor

KA405

Catalyst carrier

KA406

Absorbent in air separation

Apperance

White, Sphere

Main crystal phase

x-p

x-p

y

x-p

y

x-p

Chemical composition

%

Al₂O_３

≥90

≥90

≥92

≥90

93

90

Na2O

≤0.3

≤0.3

≤0.5

0.15-0.3

≤0.3

I.L

6-8

6-8

≤8

≤8

≤8

≤9

Bulk density, g/ml

≥0.65

0.70-0.75

0.65-0.75

0.68-0.78

0.68-0.80

0.68-0.72

Surface area, m２/g

≥280

≥280

200-260

≥300

≥200

≥300

Pore volume,ml/g

0.3-0.45

0.3-0.42

0.4-0.45

≥0.35

0.4

≥0.35

Static absorption,%

Water

5-17

Fluorin

0.12

Water

50

Chlorine

10-20

Water

50-70

Water

17-19

Activity,%

56-62

Loss on abrasion,%

≤0.5

≤0.5

≤0.4

≤0.5

≤0.8

≤0.5

Crushing strength， N/pc

Φ1-2

≥40

≥40

≥40

Φ2-3

≥60

≥60

     ≥80

Φ3-5

≥100

≥100

≥100

≥100

≥100

Φ4-6

≥130

≥130

≥130

≥140

≥130