Porcelain Sand Filter for water treatment

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The porcelain sand filter is produced by high quality kaolin clay, binders, pore forming agent after burning in high temperature. It is new type of filtering material 

with white appearance, hard, uniform particles, the developed micro porous, porosity, and good roundness.It is the upgraded product for 

traditional media such as quartz sand and anthracite.

Ceramic grain filters are made of refined pottery clays added with certain modifiers,and processed of grinding,mixing,shaping and high temperature sintering. Ceramic grain filters do not contain any substances that harmful to people or environment.

Chemical composition: 

 

AL2O3	SiO2	Fe2O3	MgO	CaO	K2O+Na2O
22-24%	68-74%	<1.0%	<0.7%	<0.5%	<4%

Performance parameters:

size(m)	0.5-3.0	(t/m2.h)	2-3
Compressive strength(N)	30-150	(m3/m2.h)	1500-2000
Wear rate (%)	<0.5	(g/ml)	1.1-1.5
Acid resistance(%)	>98	(%)	40-45
Alkali degree(%)	>92	(°C)	-80--1200

Physical properties:

Exterior	unit	Spherical surface ,color  brown, and porous
Diameter	mm	0.5-32
Bulk density	g/cm³	2.26
Porosity	%	55
Broken and wear rate	%	1.62
Non-uniform coefficient	%	K80=1.84
Uniformity coefficient	%	K60=1.47
Hydrochloric acid soluble rate	%	2.83
Sodium hydroxide soluble rate	%	1.50

Porcelain Sand Filter for water treatment