Anthracite Filter/Water Filtration Media/Mica/Mica Powder

Ceramic proppants

Ceramic Foundry Sand

Anthracite Filter

Mica Powader

Barite/Barytes

Calcined Bauxite

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Ding Long Minerals products a full range of grades of anthracite filter media. These are produced from the anthracite mined in China, and are sold throughout the world.

Anthracite Filter is often used to produce a multi-media filter.This has several advantages over a single media filter.

* Increased filtration rates

* Longer filter run times

* Reduced backwash water consumption The bed of anthracite placed on top of the sand layer provides the filter with.

* Larger grain particles on the surface of the filter which delays the pressure drop across the filter.

* A larger reservoir in which the floc may be held before backwashing.

* A prefilter for sand filter below.

The grade of anthracite filter media is chosen so that it has a similar backwash expansion as the sand below it. This is important to prevent losses of anthracite during backwashing.

Technical Data Sheet

Physical Density
Specific Gravity	1.4~1.6 g/cm3
Bulk Density	750 – 780 g/m3
Hardness (Mohs)	3 ~ 4
Hardgrove	44 – 50
Density Above 1.8g/cm3	8% max
Porosity	50% min
Mud Content	4% max
Attrition Losses (100 hours backwash)	<0.4%
Solubility (24 hours 10% HCI)	<3.5%
According to the standard "CJ 24.2-88" of Ministry of Construction R.R. of China

Chemical Composition
Carbon	85%
Bash	4 – 8%
Volatile	5.0 – 7.0%
sdf

Standard Size
0.6 – 1.2 mm	0.66 mm
0.8 – 1.6 mm	0.88 mm
1.2 – 2.5 mm	1.31 mm
1.4 – 2.5 mm	1.52 mm
1.4 – 2.8 mm
2.5 – 5.0 mm	1.55 mm
5.0 – 10.0 mm	Within size range
10.0 – 20.0 mm	-----------
Unigormity Coefficient	≤1.6

无锡鼎隆矿业有限公司WUXI DING LONG MINERALS CO.,LTD

无锡鼎隆矿业有限公司
WUXI DING LONG MINERALS CO.,LTD