
Expanded clay aggregate
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Product Description
- 产品描述
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Lightweight ceramic pellets made by adding excellent clay as a pore-forming agent to expanded clay, sintered at high temperature. They are reddish-brown, with developed micropores, large specific surface area, high porosity, strong pollutant interception ability, and easy film attachment. Suitable for biochemical, oil removal, iron removal, manganese removal, and filtration treatment of industrial wastewater from metallurgy, petroleum, chemical industries, and urban sewage. It is a conventional biochemical filter material. Used as a bio-carrier in the BAF process for phosphorus and nitrogen removal.
Technical Parameters
Item
Pore Size mm
Apparent Density g/cm³
Density g/cm³
Specific Surface Area cm²/g
Porosity %
Wear Rate %
Hydrochloric Acid Solubility %
Sodium Hydroxide Solubility %
Mud Content %
Leachate
Index
0.5-12
0.8-1.1
0.95-2.35
2-6X104
55
2
1.8
1.5
0.8
No Harmful Elements
Common Specifications: 2-5mm, 4-6mm, 16mm, 25mm, 32mm
Standard: CJ/T299-2008 "Artificial Expanded Clay Filter Material for Water Treatment"
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