EquipmentNEXT  
 

Diatomite

DiatomDiatomite has been used as a filter aid for nearly a century. The ore is a soft, friable siliceous mineral. It is composed of the skeletons of microscopic plants deposited on the bottoms of oceans and lakes after and during the Miocene Age, from 100'000 to 15'000'000 years ago. Under the microscope the particles of diatomite show up in a variety of forms: symmetrical figures resembling disks, rods, cylinders and snowflakes. It is this shape factor combined with the rigidity of the particles that makes diatomite such an excellent raw material for the production of superior filter aids.

Diatomaceous earth is an amorphous form of silica containing a small amount of microcrystalline material. Filter aids are processed at above 800 C (1500 F). Both calcined and flux-calcined diatomite filter aids are free of organic matter and are non-adsorptive.

Best ? diatomite filter aids offer outstanding performance from the finest to the coarsest grades. These materials meet all requirements for good filter aids. This enables them to meet the exacting clarity and flow-rate demands of industrial filtration. Even more important, the user can depend on consistency and uniformity load after load.


THE Characteristics of the diatomite and Diatomite Producrs

Diatomite is a kind of univellular apuatic plant.lt absorbs the aliment of the water and forms the porous silicared ossature .The corpse of thediatomite precipitates in the water for many years,and becomes the mineral deposig under cerrain geological conditions.

Diatomite belonge to the amorphous silicon,lt has the charactweistics of porosity,high pore volume,large specific surface arda,low buld density,and strong absorbability.lt is lenperature-tolerant,heat-proof.and has the relativelt compressibility and chemical stability,thus it is a rare mulrifunctyonal material.lt is suitable for manufacturing filter aid,absorpjyve support,filler and heat-proof coating and so on after different processing and alteration.


The sanitarylndexo the diatomiteproducts of food industry


Project

Type

Furnacing material

Flux furnacing material

AX-100#

AX-700#

AX-800#

AX900-1000#

AX-3000#

Physical

Pallide-flavens-pink

White

Power,silicon framework with special sperture structure

Pervious rate(Darcy)

0.08-0.36

2.2-2.9

2.9-4.9

5.0-10

10-30

Water-soluble material(%)

0.02

0.05

0.07

Acid-soluble material%

2.0

3.0

PH(10%water starch)

6.5-8

7.0-10.0

Lgnition loss%

1.0

Mositure%

2.0

Substatia density(g/ml)

2.1-2.3

Humid density(g/ml)

0.32-0.42

0.36-0.42

0.38-0.43

0.38-0.44

0.38-0.45

Sio2%

87.6

Al2o3%

2.5

Fe2o3%

1.5

Others%

3.0

Products Application Area

Food Industrial Products
AX-100# AX-700# AX-800# AX-900# AX-1000# AX-3000#

Main Application Area:
Beverage and Condiment
Beer,ratafee,alcohol,juice,beverage,purified water,yellow wine,vinegar,Soy,etc.
Medication and Sugar Manufacturing
Blood plasma,purification of Chie\nese traditional nedicine,bacteriophage, Vitamin,levansucrase,fructose,dextrose,granulose,
saccharose,etc
Petrochemicals
TL-100# TL-600# AX-700# AX-800#AX-900#AX-1000#AX-3000#
Main Applocation Area:
Lube addictuve,oil,oil paint,irganic acid,inorganic acid,uric albumen,dirposal Of sullage,etc.
Filler producats:
TL-1# WX-2# WX-3# WX-4#
Main Application Area:
Pesticide,fertilizer,activator carrier,acentric cast dope,moulage,sheet,csmetic,rubber accelerator,dtc.
To the low the application that water supply handles
TL-600#


The Sanitarylndex of the chemied products and other industrial products

Project

Type

Flux filter

Flux coating

Furnacing filter

Furnacing coating

TL-600#

AX-700-3000#

WX-3#

WX-4#

TL-100#

TL-1#

WX-2#

Physical

apperance

White

White

White

Lividity

white

Pallide-flavens-pink

Grey

white

Pallide-flavens-pink

Powder,silicon framework with special sperture structure

Pervious rate(Darcy)

1.2-2.2

2.2-above30.0

0.1-0.38

Moisture%

0.8

1.0

PH(10%Water starch)

7-10

7-10

7-10

6.5-8.0

Lgnition lossg/ml

1.0

Humid densityg/ml

0,38-0.42

0.38-0.42

0.38-0.42

0.39-0.43

0.32-0.42

0.4-0.5

0.32-0.42

Substatia densityg/ml

2.1-2.3

Average diameter of particle(um)

10-25

10-50

5-15

3-13

8-15

10-30

3-13

Sio2%

87.6

90.2

87.6

80

90.2

Fe2o3%

1.5

2.5

1.5

Al2o3%

2.5

4.8

2.5

Lead(calculated by pb)PPM

0.40

0.40

Arsenic(calculated by As)PPM

0.50

0.50

Others%

3.0


Typical Physical Properties

Grade

Color

Product Type

Permeability Darcys

Median Pore Size Microns

Dry
(lbs/ft3)

Wet
(lb/ft3)

150
Mesh% Retained

325
Mesh% Retained

%Molsture

AX-60#

Pink/ Buff

Calcined

0.08

2.5

8.5

17.0

1.0

N/A

0.1

AX-80#

Pink/ Buff

Calcined

0.16

2.5

9.0

18.5

1.5

N/A

0.1

AX-100#

Pink/ Buff

Calcined

0.25

3.5

9.0

18.5

4.0

N/A

0.1

AX-150#

Pink white

Flux
calcined

1.9

10

12

19.5

9.0

N/A

0.1

AX-700#

White

Flux
calcined

2.9

13

12

19.5

10.0

N/A

0.1

AX-800#

White

Flux calcined

4

17

12

20.0

12

N/A

0.1

AX-1000#

White

Flux
calcined

10-25

22

13

21.5

60

N/A

0.1

WX-2#

Pink/
Buff

Calcined

0.02

0.5

9.0

24

N/A

0.5

0.1

WX-3#

White

Flux calcined

1.1-1.3

7.0

10

19.5

N/A

0.8

0.1

WX-4#

White

Flux calcined

0.75

6

10

20

N/A

0.5

1.0


Typical Particle Size Distribution

Cumulative Weight % Finer Than Micron Size

Grade

1

1.5

2.0

3.0

4.0

6.0

8.0

12.0

16.0

24.0

32.0

46.0

64.0

90.0

128.0

186.0

AX-60#

0

0

0

2

4

11

19

32

43

60

72

86

93

98

99

100

AX-80#

0

0

0

1

3

10

17

29

40

57

70

86

92

97

99

100

AX-100#

0

0

0

1

3

9

16

29

39

56

70

84

92

97

99

100

AX-150#

0

0

0

0

1

3

6

13

21

39

53

72

84

94

98

99

AX-700#

0

0

0

0

0

1

3

7

11

22

38

57

75

91

96

99

AX-800#

0

0

0

0

0

0

1

3

7

19

24

52

57

84

93

98

AX-900#

0

0

0

0

0

0

1

2

6

18

22

50

55

83

90

96

AX-1000#

0

0

0

0

0

0

0

1

2

5

10

17

28

50

72

93

WX-2#

2

5

8

16

25

40

55

72

83

98

100

 

 

 

 

 

WX-3#

1

2

3

10

25

40

55

72

80

93

97

99

100

 

 

 

WX-4#

2

5

8

16

25

40

55

72

85

98

100