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Detailed information

This product is made of fine eremic mud added achoring agent and binder. After griding, screening, shaping and sintering, we make it. It is a kind of globable pellet, of which the size is uniform, the suface is solid. This product has much merit, such as large sunface area, high void fraction, less impurities high speed of filtering, long working period, little water consumption during washing back,and there is nothing halmful to the body of man. It will decrease the volume of the disfectant and cloud point, the effect of separating N.H3Pis over 99%, and that of separating CoDcr is over 40%. This product can improve the effect of filter material instead of quartz sand and anthracite.

Chemical composition

Chemical composition

SiO2
Al2O3
Fe2O3
CaO
MgO
K2O+Na2O
Else
Content%
 
60-65
18-21
7-9
3-4
1-4
3-5
Trace

 

 

 

Specification

Unit

Environmental protecting filter

Quartz sand

Bulk density

t/m3
0.51-1.1
1.4-1.6

Void volume

%
40-60
16-20
Abrasion ratio
%
≤2
≤3

Hydrochloric acid dissolving ratio

%
≤2
≤2.5
NaOH dissolving ratio
%
≤2
≤2.5

Specific area

cm2/g
2.5-7.8×104
0.15-2.0×103

Ununiformation coefficient

k80
1.0-1.3%
20-30%

Osmosis coefficient

cm/s
2.31-3.63
0.19-2.21

Peak of flow loss of cleaning filter

cm/M
10.1-2.21
34

The property of environmental protecting filter and quartz sand

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Copyright: PINGXIANG ZHONGTIAN CHEMICAL PACKING CO., LTD.

Address: Industrial Park, Anyuan district, Pingxiang, Jiangxi Pro,P.R.China Code: 337000

Tel:86-799-6679515    Fax:86-799-6679886