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Ultra-high Temperature SCR Denitrification Catalyst--For Industrial Coal Economiser Air Preheater

Technical Specification: The high-temperature sintering-resistant denitrification catalyst developed by Yuanchen Technology exhibits excellent catalytic performance and outstanding thermal stability at 400-500°C. This ensures that the catalyst meets performance requirements during high-temperature operations. Additionally, the catalyst has strong sintering resistance, resulting in a slower decrease in specific surface area during service life, thereby overcoming the obstacle of reduced catalytic activity due to decreased specific surface area.
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Ultra-high Temperature SCR Denitrification Catalyst--For Industrial Coal Economiser Air Preheater

Why Choose Yuanchen Catalysts?

 

1. Proven Performance: 

Our catalysts are rigorously tested and validated, ensuring consistent NOx reduction performance in power plant applications.

2. Tailored Solutions:  

We understand the complexities of power plant operations. Our catalysts are meticulously designed to address these challenges and deliver optimized results.

3. Environmental Stewardship:

By reducing NOx emissions, our catalysts play a vital role in reducing air pollution and promoting cleaner air quality around power plants.

4. Regulatory Compliance: 

Our catalysts are designed to meet or exceed stringent emissions standards, enabling power plants to meet regulatory requirements.

 

 

 

Production line on Yuanchen Factory workshop:

This is an image of the production facility at Yuanchen Factory, showing whole production line for producing DeNOx honeycomb catalysts. This is an image of the production facility at Yuanchen Factory, showing whole production line for producing DeNOx honeycomb catalysts. This is an image of the production facility at Yuanchen Factory, showing whole production line for producing DeNOx honeycomb catalysts.

DeNOx Honeycomb Catalyst Working Principle:

The Power Plant Use DeNOx Catalyst is primarily utilized in power plants with Selective Catalytic Reduction (SCR) systems. These systems are crucial components in power plants' efforts to reduce nitrogen oxide (NOx) emissions, contributing to cleaner air and environmental responsibility. Here's how the process works:

Power Plant Boiler:

In a power plant, boilers generate steam by burning fossil fuels, typically coal, natural gas, or oil. This steam is used to turn turbines, generating electricity. However, this combustion process releases pollutants, including NOx.

Flue Gas Treatment:

After combustion, the flue gases produced in the power plant boiler contain pollutants like NOx. These gases are directed through a flue gas treatment system before being released into the atmosphere.

Selective Catalytic Reduction (SCR) System:

The SCR system, equipped with the Power Plant Use DeNOx Catalyst, is a critical part of the flue gas treatment process. The catalyst facilitates a chemical reaction that converts NOx gases into harmless nitrogen (N2) and water vapor (H2O).

Catalytic Reaction:

Within the SCR system, the DeNOx Catalyst promotes the reduction of NOx emissions. Ammonia (NH3) or urea is introduced into the flue gases upstream of the catalyst. In the presence of the catalyst, NOx reacts with ammonia to form nitrogen and water vapor.

Emission Reduction:

Through the SCR process, a significant portion of the NOx emissions is transformed into harmless components. This helps power plants adhere to emissions regulations and enhance air quality.

power plant image

Main Specifications of Honeycomb DeNOx Catalyst:

Hole Numbers (PCS) Cross Section (mm) Hole Diameter. (mm) Wall Thickness (mm) Catalyst Pitch (mm) Open Porosity (%) Specific Surface Area (㎡/m³) Application
15 × 15 150 × 150 8.45 1.35 9.80 71.40 338 Coal fired unit, high smoke dust
16 × 16 150 × 150 8.00 1.20 9.20 72.82 383
18 × 18 150 × 150 7.10 1.10 8.20 72.60 409 Coal fired unit, medium dust
20 × 20 150 × 150 6.40 1.00 7.40 72.82 469
21 × 21 150 × 150 6.10 0.95 7.05 72.93 478 Coal fired unit, low smoke dust
22 × 22 150 × 150 5.80 0.90 6.70 72.36 499
25 × 25 150 × 150 5.00 0.90 5.90 69.44 577 Coal fired unit, very low dust
30 × 30 150 × 150 4.10 0.80 4.90 67.24 693 Oil fired unit, very low dust
35 × 35 150 × 150 3.65 0.55 4.20 72.53 795
40 × 40 150 × 150 3.20 0.50 3.70 72.82 910 Natural gas fired unit
45 × 45 150 × 150 2.78 0.50 3.28 69.56 1000
55 × 55 150 × 150 2.20 0.50 2.70 65.07 1275
Single Catalyst Size: 150 × 150 × (length 300~1350) mm.

According to the customer's requirements, we can produce different pitch and formulations of honeycomb SCR de NOx catalyst.

 

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