Ceramic honeycomb catalyst carrier

Product ID: 270ab3
 
 
 
Ceramic honeycomb catalyst carrier 3
 

Ceramic honeycomb catalyst carrier use the properties of ceramic honeycomb: large specific surface area, small airway resistance, neat and strong, and are coated with active rare earth metals, transition metals, precious metals on the surface, after reduction firing to obtain a range of practical performance, are widely used in petrochemical, waste incineration, paint and paint charter waste gas treatment, industrial waste gas and waste water treatment.

 
Physical property
PropertyUnitStonewareCordieriteMullite cordieriteMullite
Specific gravityg/cm32.4—3.02.4—2.482.32.1
Average coefficient of thermal expansion(20-1000℃)10-6℃-11.3—3.51.3—3.52.4—4.06.2
Specific heat(20--1000℃)J/kgK850—1200800—1200850—1100850—1050
Thermal conductivity(20--1000℃)W/mk1.2—2.01.5—2.51.5—2.31.4—2.0
Resistance to thermal shockK/Min250250250350
Maximum operating temperature1350130013501400
Acid resistance%>99>99>99>99
Alkali resistance%>85>85>85>85
Water absorptionWt%22±521±520±520±5

Chemical property

Stoneware

Cordierite

Mullite cordierite

Mullite

SiO2

41.0-45.0

46-48

29-30

27-28

Al2O3

34.0-37.0

34-37

68-69

70-71

MgO

5.0-7.0

7.00-7.50

-

-

Na2O+

K2O+CaO

1.2-1.4

2.50-2.90

0.70-0.90

0.80-1.20

Fe2O3

1.3-1.5

0.70-0.90

0.50-0.70

0.50-0.70

TiO2+BaO

0.20-0.25

0.30-0.40

-

-



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