Activated Alumina Fluoride Removal
Activated alumina
Product Description
Packing Mall Activated alumina fluoride removal has good physical properties, high strength, non-toxic and tasteless. The specific surface area of about 320m2 / g makes the activated alumina have a large contact area, so it has a good ion exchange capacity. The pore volume above 0.4cm3/g makes it have high adsorption capacity, because it is easy to regenerate, has a long life and relatively low cost. It is an effective and economic method in various fluoride removal methods Practical methods.
Technical parameter
Model | Activated Alumina | |
Color | White | |
Shape | Sphere | |
Type | KA402 | |
Crystal Type | x-p | |
Chemical Composition | Al2O3 Content (%) | ≥93 |
Na2O Content (%) | ≤0.3 | |
Physical properties | Bulk density (g/ml) | 0.70-0.75 |
Pore volume (ml/g) | 0.30-0.42 | |
Surface area (m2/g) | ≥280 | |
Active (%) | / | |
Attrition loss (%) | ≤1.0 | |
LOI (%) | ≤8 | |
Static absorption (%) (RH=60%) | Fluorine absorption | |
0.2-0.3 | ||
Crushing Strength (N/PC) | Φ1-2 (mm) | ≥40 |
Φ2-3 (mm) | ≥70 | |
Φ3-5 (mm) | / | |
Φ4-6 (mm) | / | |
Φ5-7 (mm) | / | |
Φ6-8 (mm) | / | |
Φ12-14 (mm) | / | |
Activated alumina defluoridation agent is originally a kind of adsorption material, high specific surface area and high pore volume are the basic characteristics of adsorption materials, activated alumina has a certain role in adsorption of impurities, in fact, activated alumina can be divided into macropores (100 ~ 500A), mesopores (40 ~ 100a) and micropores (< 40a), with pore size distribution ranging from 10a to 500A It has a certain adsorption capacity. Fluoride in water mainly exists in ionic state. In the process of fluoride removal, fluoride in ionic state is mainly removed from water. The adsorption of activated alumina accounts for a small part, and the ion exchange capacity of activated alumina is the most important.
The chemical formula of physical adsorption and ion exchange of activated alumina is as follows:
Al2O3·Al2(SO4)3·XH2O+6F-=Al2O3·2AlF3·XH2O+3SO42-
Typical Application
Packing Mall Activated alumina fluoride removal.
Warranty
By National Standard HG/T 3927-2007.
Normal Package
25KG/Plastic bag. 800KG/Super sack. 150KG/Steel drum.
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