Introduction to Catalyst based denitrification and SCR denitration working principle

Catalyst based denitrificationis an efficient, stable and environment-friendly flue gas denitrification technology.，The technology is suitable for many industries and processes, such as coal-fired power plants, iron and steel smelting, cement production and so on. These industries will produce a large number of NOx emissions in the production process, and the Catalyst based denitrification technology can provide effective denitrification solutions for them. In addition, the gate technology can be adjusted and optimized according to different flue gas components and emission requirements to meet different denitration requirements.、There are many kinds of catalysts used in the technology, including vanadium-based catalysts and titanium-based catalysts, which can promote the chemical reaction between reductant and NOx at a lower temperature. At the same time, the active components and carrier materials of the catalyst are constantly being developed and improved to improve its catalytic efficiency and service life. This enables the Catalyst based denitrification technology to maintain efficient denitrification capability in a wider temperature range and more complex flue gas conditions.、The initial investment of technology may be high, but in the long run, its economic feasibility is remarkable. The high-efficiency denitration ability of Catalyst based denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, Catalyst based denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.、The by-products produced by the technology are mainly nitrogen and water vapor, which are harmless to the environment and will not cause secondary pollution. Compared with the traditional wet flue gas denitrification technology, the Catalyst based denitrification technology does not need to use a lot of water resources and will not produce pollutants such as wastewater, which is more in line with the requirements of environmental protection and sustainable development.、Technology has been developed and applied for many years, and it is mature and stable. The Catalyst based denitrification has high reliability and stability, and can maintain stable denitrification efficiency under various working conditions. In addition, the Catalyst based denitrification technology has good adaptability and adjustability, and can be adjusted and optimized according to different flue gas components and emission requirements.，is a Catalyst based denitrification，it can be used in coal-fired power station, Gas power plant, coal-fired power station, building materials, iron and steel plant and other industries，it is mainly composed of Temperature control and monitoring system, control system, Catalyst reactor, Flue gas mixing and distribution system and Catalyst supply system。The following is to introduce the Catalyst based denitrification:

1、Brief introduction of Catalyst based denitrification

Catalyst based denitrificationit refers to the process of removing nitrogen oxides from flue gas to reduce environmental pollution. NOx is a pollutant harmful to the atmospheric environment, which has strong irritation and toxicity, and will lead to environmental problems such as acid rain and photochemical smog, and also endanger human health. The main principle of flue gas denitrification technology is to reduce NOx to nitrogen and water by adding appropriate reducing agent or catalyst in the combustion process or flue gas treatment system, so as to reduce NOx emission.，It has a wide range of uses, including Flue gas denitrification, Improve product quality, Improve product quality, Flue gas denitrification and Meet the requirements of environmental protection，multifunctional, with functions such as Promote sustainable development, Improve energy efficiency, Improve working conditions, Promote sustainable development and Improve energy efficiency，it is an ideal choice for customers to buy Catalyst based denitrification。

Catalyst based denitrification

2、Structural characteristics of Catalyst based denitrification

The Catalyst based denitrification structure is introduced as follows:

1. Catalytic reduction reaction

Under the action of catalyst, the reductant and NOx in flue gas undergo selective catalytic reduction reaction to generate nitrogen and water vapor.

2. Reducing agent supply

Reducing agents such as liquid pure ammonia or ammonia water (aqueous solution of ammonia) are evaporated and mixed with diluted air or flue gas.

3. Temperature control and monitoring system

It is used to monitor and control the temperature of the reactor to ensure that the chemical reaction is carried out in the optimal temperature range.

4. Temperature control and monitoring system

It is used to monitor and control the temperature of the reactor to ensure that the chemical reaction is carried out in the optimal temperature range.

5. Reactor

It is the core component of Catalyst based denitrification technology, and it is equipped with catalyst to promote the chemical reaction between reductant and NOx.

Catalyst based denitrification

3、Catalyst based denitrification characteristics

The Catalyst based denitrification features are as follows:

1. Small secondary pollution

The by-products produced in the Catalyst based denitrification opening process are nitrogen and water vapor, and there is no secondary pollution problem.

2. Small secondary pollution

The by-products produced in the Catalyst based denitrification opening process are nitrogen and water vapor, and there is no secondary pollution problem.

3. High denitration efficiency

The denitration efficiency of Catalyst based denitrification technology can reach more than 90%, and it is a widely used post-combustion denitration technology at present.

4. Mature technology

After years of development and application, Catalyst based denitrification technology is very mature and has a wide application prospect.

5. Stable operation and stability

The technology runs stably and reliably, and is suitable for various scenarios with large changes in flue gas flow, composition and concentration.

Catalyst based denitrification

4、Catalyst based denitrification function

Catalyst based denitrificationit has the functions of environmental protection, Improve working conditions, Improve energy efficiency, Promote sustainable development and environmental protection，It is a product series that integrates Meet the requirements of environmental protection, environmental protection, environmental protection, Flue gas denitrification and Meet the requirements of environmental protection，be loved by our customers.。

Catalyst based denitrification

5、Catalyst based denitrification real shot picture

The styles and designs of Catalyst based denitrification are diverse, and the specifications and models can be tailored according to users' needs, providing high-definition drawings for our customers' reference.。

Catalyst based denitrification

Note: All the pictures in this article were taken by One-combustion energy saving manufacturer.。

Catalyst based denitrificationdelective catalytic reduction technology is an efficient flue gas denitrification technology.，Commonly used inPromote sustainable development,environmental protection,Improve product quality,Flue gas denitrification,Promote sustainable development and so on，at work,Catalysts are used to promote the selective catalytic reduction reaction between reducing agents (such as ammonia and urea) and NOx in flue gas. Under the action of catalyst, the reductant preferentially reacts with NOx to generate harmless nitrogen and water vapor, but hardly reacts with oxygen in flue gas. This chemical reaction is usually carried out in the temperature range of 200-450℃, and the specific reaction temperature depends on the type of catalyst selected.。