Introduction to Catalytic denitrification and SCR denitration working principle

Catalytic denitrificationthat is, selective catalytic reduction technology is a technology used to reduce the emission of nitrogen oxides in flue gas.，it is usually composed of Temperature control and monitoring system, Catalyst reactor, Flue gas mixing and distribution system, control system and Catalyst supply system，Catalytic denitrificationThe structural design is simple, novel and special.，It is famous for its high-efficiency denitration ability, which can usually reach more than 90% denitration efficiency. This means that the Catalytic denitrification technology can significantly reduce the concentration of nitrogen oxides (NOx) in flue gas and make it meet strict environmental protection emission standards. This high-efficiency denitration ability is mainly due to the promotion of the catalyst, which makes the chemical reaction between reductant and NOx more rapid and thorough.、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 Catalytic 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 Catalytic denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, Catalytic denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.、It is famous for its high-efficiency denitration ability, which can usually reach more than 90% denitration efficiency. This means that the Catalytic denitrification technology can significantly reduce the concentration of nitrogen oxides (NOx) in flue gas and make it meet strict environmental protection emission standards. This high-efficiency denitration ability is mainly due to the promotion of the catalyst, which makes the chemical reaction between reductant and NOx more rapid and thorough.、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 Catalytic 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.，is a kind of Catalytic denitrification manufactured by One-combustion energy saving。The following is to introduce the Catalytic denitrification:

1、Brief introduction of Catalytic denitrification

Catalytic denitrificationthe full name is selective catalytic reduction technology, which is an advanced flue gas denitrification technology.。

Catalytic denitrification

2、Catalytic denitrification structure

The Catalytic denitrification structure is introduced as follows:

1. 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.

2. Reactor

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

3. control system

The whole Catalytic denitrification is automatically controlled to ensure the stable operation of the system and achieve the expected denitration effect.

4. 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.

5. Reducing agent storage and supply system

Used to store and supply reducing agent (such as ammonia or urea solution) to the reactor.

Catalytic denitrification

3、Catalytic denitrification advantage

The advantages of Catalytic denitrification are as follows:

1. Wide applicability

Catalytic denitrification 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 Catalytic 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.

2. Diversity and high efficiency of catalysts

There are many kinds of catalysts used in the Catalytic denitrification technology, including vanadium-based catalysts and titanium-based catalysts, which can promote the chemical reaction between reductant and NOx at low 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 Catalytic denitrification technology to maintain high efficiency of denitration in a wider temperature range and more complex flue gas conditions.

3. High efficiency denitration capacity

Gate is famous for its high efficiency of denitration, which can usually reach more than 90% denitration efficiency. This means that the Catalytic denitrification technology can significantly reduce the concentration of nitrogen oxides (NOx) in flue gas and make it meet strict environmental protection emission standards. This high-efficiency denitration ability mainly benefits from the promotion of catalyst, which makes the chemical reaction between reductant and NOx more rapid and thorough.

4. Intelligent control and convenience of operation

The Catalytic denitrification has gradually realized intelligent control. By integrating advanced control system and sensor technology, the Catalytic denitrification can monitor the composition and emission concentration of flue gas in real time, and automatically adjust the injection amount of reductant and the active state of catalyst to ensure the stability and reliability of denitrification efficiency.

5. economic viability

The initial investment of this technology may be high, but in the long run, its economic feasibility is remarkable. The high-efficiency denitration ability of Catalytic denitrification technology can significantly reduce the environmental emission cost of enterprises and avoid fines and legal risks due to illegal emissions. In addition, Catalytic denitrification technology can also reduce operating costs and improve the economic benefits of enterprises by recycling heat energy.

Catalytic denitrification

4、Advantages of Catalytic denitrification principle

Catalytic denitrificationat runtime,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.，it has the functions of Improve working conditions, Improve energy efficiency, environmental protection, Improve energy efficiency and Promote sustainable development，customizable。

Catalytic denitrification

5、Catalytic denitrification HD real shot

Catalytic denitrification HD real shot, a variety of specifications and models display, for our customers to choose at will.。

Catalytic denitrification

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

Catalytic denitrificationthat is, selective catalytic reduction technology is a technology used to reduce the emission of nitrogen oxides in flue gas.，it is mainly composed of Temperature control and monitoring system, Catalyst reactor, control system, Flue gas mixing and distribution system and Catalyst supply system，This productThe overall structural design is simple, diverse and beautiful.，the product looks atmospheric.。