Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter

Product Details
Customization: Available
Transport Package: Ton
Specification: 2-4mm/3-5mm/5-8mm
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  • Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter
  • Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter
  • Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter
  • Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter
  • Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter
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Basic Info.

Model NO.
QFT-VF(2-4/3-5/5-8mm)
Trademark
QIFANGTIAN
Origin
Wulanchabu, Inner Mongolia
HS Code
6914900000

Product Description

 

Product Description

Lava Stone /Volcanic blological filter/volcanic/pumice
The volcanic biological filter material is made of original ecological volcanic rock, which has the adsorption capacity and ion exchange capacity of activated carbon , and quickly forms a biofilm, which is a good biological carrier, The volcanic biological filter is used in various biological filters to treat municipal sewage, reclaimed water, industrial wastewater, domestic miscellaneous drainage, high-concentration organic wastewater, etc.; It can also replace anthracite, clay ceramsite and shale ceramsite as filter media in water treatment, and can also be used for advanced treatment of tail water after the secondary treatment process of sewage treatment plants.
Physical characteristics of volcanic rock filter material:
Performance indicators Unit Detection result  Performance indicators Unit Detection result 
Partical size mm 0.8-1.6/2-4/3-5
/4-6/6-8/8-12
Void fraction % >50
Bulk density g/cm3 0.9-1.0 Attrition loss % <5
Apearance g/cm3 1.7-2.5 Sepecific surface area cm2/g >4x104
Mud content % <1 Acid solubility % <5
Uniformity coefficientK60   <1.7 Extractables Does not contain harmful ingredients (test report provided)
1. Appearance shape: porous and irregular particles, low resistance to water flow, not easy to block, uniform distribution of water and gas; The surface is rough, the hanging film is fast, and the microbial film is not easy to fall off during backwashing.
2. Porosity: Volcanic rock is a natural honeycomb porous, which is the best growth environment for mycelium.
3. Mechanical strength: 7.68Mpa by the national quality inspection department, which has been proved in practice to withstand the hydraulic shear action of different strengths, and the service life is as long as 10.
4. Specific gravity: the specific gravity is moderate, it is easy to suspend and do not run the material during backwashing, which can save energy and reduce consumption.
Chemical properties of volcanic rock filter media:
The main chemical components are as follows:
Chemical composition SiO2 CaO MgO Fe2O3 FeO Al2O3 K2O Na2O
Content% 53.63 8.36 2.46 9.08 1.12 16.89 2.30 2.55
1. At the beginning of use, it has the ability to adsorb ammonia nitrogen and COD;
2. The biological film hanging time is short, and the adsorption and film hanging are carried out simultaneously;
3. There is a lot of biomass, and it has a good treatment effect on ammonia nitrogen, COD, BOD, phosphorus, etc.;
4. Easy to backwash, not easy to compact.
Application scenarios of volcanic biological filter media
Serial number Specification Application scenarios
1-2mm Multi-media filtration equipment
2 2-4mm Deep-bed denitrification biological filters
3 3-5mm (BAF)Aeration biological filters
5-8mm Upflow denitrification biological filter
5 8-12mm Pretreatment offeedwater biofiltration
6 10-30   mm Gas biodeodorization
30-50mm Constructed wetlands
Engineering case
Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter

Lava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological FilterLava Stone/Lava Stone /Volcanic Blological Filter/Volcanic/Pumice/ Modify Volcanic Biological Filter

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