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Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series
  • Selective Catalytic Reduction Honeycomb Ceramic Series

Selective Catalytic Reduction Honeycomb Ceramic Series

  • Diameter Size : 143.8~330mm
  • Length: 76.2~177.8mm
  • Material: Cordierite
  • Application:dedicated to efficiently reducing nitrogen oxide (NOₓ) emissions

Selective Catalytic Reduction Honeycomb Ceramic Series

Product Description

The Selective Catalytic Reduction (SCR) Honeycomb Ceramic Series is a core functional component designed for industrial flue gas denitrification, dedicated to efficiently reducing nitrogen oxide (NOₓ) emissions and helping enterprises meet strict environmental protection standards. With its advanced honeycomb structure, high-performance material formula and stable catalytic efficiency, it has become an ideal choice for NOₓ treatment in various high-demand industrial scenarios, providing reliable and cost-effective solutions for industrial green transformation.

Product Overview

Our SCR Honeycomb Ceramic Series is developed based on advanced selective catalytic reduction technology, which realizes the efficient conversion of NOₓ into harmless nitrogen (N₂) and water (H₂O) by reacting with ammonia (NH₃) under appropriate temperature conditions (180–420 °C). The product adopts a regular honeycomb porous structure, which is formed by mixing, extrusion, drying and high-temperature calcination of high-purity ceramic raw materials, ensuring uniform structure, stable performance and excellent durability. It can be customized according to the flue gas characteristics, dust content and temperature window of different industries, perfectly matching the complex working conditions of various industrial kilns and equipment.


Core Technical Advantages

High Denitrification Efficiency:

The product adopts optimized V₂O₅–WO₃(MoO₃)/TiO₂ formula, which has strong catalytic activity, and the NOₓ removal efficiency can reach more than 90%, stably meeting the ultra-low emission requirements of various industries. At the same time, it has a low SO₂ oxidation rate (as low as 1%) and low NH₃ slip during operation, avoiding secondary pollution.


Stable and Durable Performance:

Made of high-quality ceramic materials such as cordierite, mullite and corundum, it has excellent high-temperature resistance, corrosion resistance and thermal shock resistance, and can operate stably for a long time in harsh flue gas environments (high temperature, high humidity, high dust). The service life can reach up to 24,000 hours, which is far superior to traditional metal or plastic catalysts, greatly reducing the frequency of replacement and maintenance costs.

Efficient and Energy-Saving Structure:

The regular honeycomb structure design maximizes the specific surface area (up to 1275 m²/m³) while ensuring low pressure drop (≤150 Pa under conventional working conditions), making the flue gas flow evenly, reducing system energy consumption, and improving the overall operation efficiency of the denitrification system. The open porosity is up to 72.93%, which effectively promotes the full contact between flue gas and catalyst and enhances the catalytic reaction effect.

Strong Adaptability & Customization:

It covers a variety of cell densities (20–600 CPSI) and pore types (square, hexagonal, circular), and the cell pitch, wall thickness and size can be customized according to customer needs. It is suitable for different dust levels and flue gas components, and can be widely used in high-dust, medium-dust and low-dust working conditions.

Environmentally Friendly & Cost-Effective:

The raw materials are non-toxic and harmless, and the production process meets environmental protection standards. At the same time, the product supports recycling and regeneration, which can realize the recycling of resources, reduce solid waste emissions, and help customers reduce operation costs while practicing green development concepts.

Key Product Parameters


Parameter

Specification

Denitrification Efficiency

≥ 90%

Operating Temperature Range

180 – 420 °C

Specific Surface Area

≥ 60 m²/g (up to 1275 m²/m³)

Pressure Drop

≤ 150 Pa (conventional working conditions)

Cell Density (CPSI)

20 – 600 (customizable)

Standard Size (Square Block)

Cross-section: 150×150 mm; Length: 300–1350 mm (customizable)

Regular Square Block Sizes

100×100×300 mm, 100×100×600 mm, 150×150×300 mm, 150×150×600 mm, 150×150×900 mm, 150×150×1200 mm, 200×200×300 mm, 200×200×600 mm, 300×300×300 mm, 300×300×600 mm

Open Porosity

65.07% – 72.93%

Service Life

Up to 24,000 hours

Certification

ISO 9001, TS 16949, GB/T 25994-2010, JC/T 2135-2012

Product Size :

FAQ: Selective Catalytic Reduction (SCR) Honeycomb Ceramic Series

Q1. What is SCR honeycomb ceramic and what does it do?

SCR honeycomb ceramic is the core component of the Selective Catalytic Reduction (SCR) system. It is a ceramic substrate with numerous parallel channels, coated with catalytically active materials. Its function is to convert harmful nitrogen oxides (NOx) in exhaust gas into harmless nitrogen (N₂) and water (H₂O), achieving NOx reduction efficiencies of up to 90%. The honeycomb structure provides a large surface area for maximum contact with exhaust gas while minimizing flow resistance.

Q2. How does the SCR system work?

The SCR technology operates through a two-step process:

Urea Injection: A 32.5% urea solution (AdBlue/DEF) is injected into the exhaust stream. At temperatures above ~200°C, urea decomposes into ammonia (NH₃).

Catalytic Reduction: Ammonia reacts with NOx on the SCR catalyst surface, producing nitrogen and water. This reaction requires a temperature window of 200–450°C, with conversion efficiency ranging from 60% to 90%.

Q3. What materials are used in SCR honeycomb ceramics?

Substrate Material – Typically cordierite ceramic, offering:

  • Mechanical strength and thermal stability
  • Low thermal expansion
  • Softening temperature above 1360°C
  • Porosity: 40–45%

Catalytic Coatings:

  • Vanadium-based: V₂O₅–WO₃/TiO₂ – widely used in industrial applications
  • Zeolite-based: Copper or iron zeolites – offer better thermal durability and broader temperature range
Q4. What are the key technical specifications?

Product Size

No.

Specification (D×L) (in.×in.)

Cell Density (cpsi)

Diameter (in.)

Height (in.)

Diameter (mm)

Height (mm)

Volume (L/pc)

1

5.66×3

600

5.66

3

143.8

76.2

1.236

2

5.66×4

600

5.66

4

143.8

101.6

1.648

3

5.66×5

600

5.66

5

143.8

127

2.061

4

5.66×6

600

5.66

6

143.8

152.4

2.473

5

6.77×3

600

6.77

3

172

76.2

1.769

6

6.77×4

600

6.77

4

172

101.6

2.358

7

6.77×5

600

6.77

5

172

127

2.948

8

6.77×6

600

6.77

6

172

152.4

3.538

9

7.5×3

600

7.5

3

190.5

76.2

2.171

10

7.5×4

600

7.5

4

190.5

101.6

2.894

11

7.5×6

600

7.5

6

190.5

152.4

4.342

12

7.5×7.5

600

7.5

7.5

190.5

190.5

5.427

13

9×6

600

9

6

228.6

152.4

6.252

14

9.5×4

600

9.5

4

241.3

101.6

4.644

15

9.5×4.5

600

9.5

4.5

241.3

114.3

5.224

16

9.5×5

600

9.5

5

241.3

127

5.805

17

9.5×6

600

9.5

6

241.3

152.4

6.966

18

9×7.5

600

9

7.5

228.6

190.5

7.815

19

10.5×4

600

10.5

4

266.7

101.6

5.673

20

10.5×4.5

600

10.5

4.5

266.7

114.3

6.382

21

10.5×5

600

10.5

5

266.7

127

7.091

22

10.5×6

600

10.5

6

266.7

152.4

8.509

23

10.5×7

600

10.5

7

266.7

177.8

9.928

24

11.25×4

600

11.25

4

285.8

101.6

6.515

25

11.25×4.5

600

11.25

4.5

285.8

114.3

7.329

26

11.25×5

600

11.25

5

285.8

127

8.143

27

11.25×6

600

11.25

6

285.8

152.4

9.772

28

11.25×7

600

11.25

7

285.8

177.8

11.401

29

12×4

600

12

4

304.8

101.6

7.41

30

12×4.5

600

12

4.5

304.8

114.3

8.336

31

12×5

600

12

5

304.8

127

9.262

32

12×6

600

12

6

304.8

152.4

11.114

33

12×7

600

12

7

304.8

177.8

12.967

34

13×4

600

13

4

330.2

101.6

8.696

35

13×4.5

Parameter Typical Value
Channel density 300–600 CPSI (cells per square inch)
Porosity ≥45%
Compressive strength A-axis ≥6 MPa, B-axis ≥2 MPa
Maximum operating temp Up to 1200°C
Softening temperature >1360°C
Common sizes Diameters Ø143.8–330mm; lengths 52.4–152.4mm
Q5. What are the main applications?
  • Automotive: Diesel vehicles meeting Euro 6, EPA 2010, China 6b standards – passenger cars and commercial vehicles
  • Industrial Flue Gas: Coal-fired power plants, cement plants, and boilers
  • Municipal Waste Incineration: High-temperature flue gas purification and dioxin control
  • Chemical & Coating Industries: VOC and NOx removal from industrial processes
Q6. What are the key usage and maintenance precautions?
  • Use Quality Urea: Always use 32.5% urea solution meeting purity standards. Impurities can clog injectors and reduce conversion efficiency.
  • Cold Weather: Urea crystallizes at -11°C; systems require preheating in winter.
  • Monitor Ammonia Slip: Excess urea or degraded catalysts can cause unreacted ammonia to pass through; an ammonia slip catalyst is often installed downstream.
  • Prevent Crystallization: Urea/DEF deposits can build up and plug the porous structure, requiring replacement.
Q7. What causes catalyst deactivation?
  • Poisoning: Alkali metals, arsenic, sulfur compounds, or heavy metals react irreversibly with active sites
  • Sintering: High-temperature exposure reduces active surface area
  • Blockage: Dust, carbon deposits, or sulfate compounds clog channels
  • Mechanical Wear: Fly ash erosion; thicker walls (>1.0mm) are recommended for high-dust conditions

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