China Ceramic Grain Filter - China Supplier
China Ceramic Grain Filter - China Supplier

Ceramic Grain Filter

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Contact Info
  • Add:GaoKeng Industrial Park, Pingxiang, Jiangxi,China, Zip: 337000
  • Contact: Amanda Kuang
  • Tel:+86-799-6769885
  • Email:hzb@pxhq.cn

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Description
Additional Information

Ceramic Grain Filters
1.? Product Description
???? Ceramic grain filters are made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. They do not contain any substances that harmful to people or environment. They are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. When used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back-flush water, stable in chemical and biologic property, and long service life. Ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality and save chemicals and energy.??
2. ?Chemical Composition of Ceramic Sand Filters
?Composition
?Content %??
SiO2
50-70%
Al2O3
15-25%
Fe2O3
0.5-10%
CaO
1-5%
MgO
1-5%
KO2+NaO
3-8%
?The balance
≤ 2
3.Technical Indexes of Ceramic Grain Filters
?Item
?Index
Appearance
Rough ball, porous, red & brown
Grain diameter,mm
0.5-30
?Apparent Density,g/cm3
1.2-1.6
?Bulk density,g/cm3
0.6-1.2
?Total porosity,%
60-80
?Specific surface area,cm2/g
5000-10000
?Attrition & crushing rate,%
≤2
?Even coefficient
K80=1.2-1.5
?Even coefficient
K80=1.0-1.3
?Solubility in acid,%
≤2
?Solubility in alkali,%
≤1.5
?Soluble substance
No any harmful elements contained
?

water treatment,coal filter

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