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FLUE GAS DESULFURIZATION (FGD) — INDUSTRIAL EMISSION EQUIPMENT

Engineered to deliver high-efficiency solutions to solve industrial waste air pollution, this custom-designed flue gas purification system for the 100,000-ton/year granular silicon green upgrading project provides deep treatment for operational emissions. It efficiently removes dust, acidic gases, and heavy metals, guaranteeing full compliance with environmental standards while driving sustainable, low-pollution manufacturing.

 

WHAT IS FLUE GAS DESULFURIZATION (FGD)?

Flue Gas Desulfurization (FGD) is a critical technology for air pollution control designed to remove sulfur dioxide (SO₂) from the exhaust flue gases of industrial processes, power plants, and chemical manufacturing. As regulatory standards tighten worldwide, implementing reliable FGD systems has become an essential environmental protection solution for heavy industries to mitigate acid rain and reduce harmful emissions.

 

By neutralizing gaseous pollutants before they reach the atmosphere, this process directly addresses major environmental pollution problems and solutions in modern manufacturing. Implementing advanced FGD systems not only curables industrial emissions but also offers reliable solutions to reduce pollution, ensuring factories maintain ecological compliance while fostering sustainable, clean production.

 

How Flue Gas Desulfurization Works

1. ABSORPTION OF SO₂

As a fundamental process in gaseous pollutants control, flue gas enters the absorber tower, where it contacts an alkaline absorbent (typically limestone slurry). The SO₂ reacts chemically to form stable compounds, capturing harmful elements at the source.

 

2. GAS–LIQUID REACTION & SULFATE FORMATION

Through continuous spraying, circulation, and mixing, SO₂ is successfully converted into calcium sulfite or gypsum. This stage represents a highly efficient environmentally friendly dust control and gas purification mechanism, achieving deep sulfur removal.

 

3. CLEAN GAS DISCHARGE

The treated flue gas passes through demisters to remove residual droplets before being safely discharged into the atmosphere. This final step delivers proven solutions to reduce environmental pollution and ensures full compliance with strict emission standards.

 

Key Components of a Flue Gas Desulfurization System

1. ABSORBER TOWER

As the heart of our emission control equipment, the absorber tower is the core unit where flue gas contacts the absorbent. It is heavy-duty engineered to provide sufficient reaction space and optimal gas-liquid contact, ensuring maximum SO₂ removal efficiency.

 

2. SLURRY PREPARATION & CIRCULATION SYSTEM

This critical subsystem includes premium tanks, mixers, and pumps designed to precisely prepare and deliver limestone slurry. By maintaining continuous, uniform absorption and reaction, it serves as a highly reliable environmental protection solution to prevent operational downtime.

 

3. DEMISTER & AUXILIARY EQUIPMENT

High-efficiency demisters effectively remove liquid droplets from the treated gas, while heavy-duty fans, pipelines, and automatic control systems work in tandem. Together, they ensure stable, around-the-clock system operation and strict compliance with global environmental problems and solutions metrics.

 

If you want to know more about flue gas services and air pollution and how to reduce it, please visit our website.

 

As an air pollution control equipment environmental protection equipment env manufacturer, we will do our best to meet all the needs of customers.

FLUE GAS DENITRIFICATION — AIR POLLUTION CONTROL SYSTM

As a high-performance selective catalytic reduction system, our custom-designed reduce pollution solutions is engineered to deeply treat NOx and industrial emissions produced during factory operations. It efficiently captures hazardous gases, drastically reduces atmospheric pollution, and ensures stable, reliable production in strict compliance with the highest environmental standards.

 

How Flue Gas Denitrification (DeNOx) Works

1. AMMONIA OR UREA INJECTION

As the initial phase in industrial control in air pollution, an ammonia or urea reducing agent is precisely injected and mixed into the flue gas stream, perfectly preparing the NOx molecules for deep purification.

 

2. CATALYTIC OR THERMAL REDUCTION

Inside the heavy-duty selective catalytic reactor, a chemical reaction occurs under optimized thermal conditions. Guided by an advanced nox reduction catalyst, toxic emissions are successfully converted into harmless nitrogen (N2) and water vapor (H2O).

 

3. CLEAN GAS DISCHARGE

The fully purified flue gas complies with the most stringent global emission standards. This final stage delivers high-tier solutions to reduce air pollution, ensuring safe, environmentally compliant discharge into the atmosphere.

 

Advanced Flue Gas Denitrification Systems: Core Pollution Control Equipment

1. CATALYST REACTOR

As the core technical unit within our control equipment of air pollution, this robust reactor provides an optimized chemical environment for efficient nox removal. It is heavy-duty engineered to ensure exceptional, long-term stable performance under high-temperature industrial loads.

 

2. AMMONIA STORAGE & INJECTION UNIT

Designed as an essential solution to prevent air pollution harmful gases, this unit safely stores, precisely meters, and accurately injects ammonia. By maintaining a perfect chemical balance inside the selective catalytic reduction system, it guarantees maximum reaction efficiency and total plant safety.

 

3. FLUE GAS CONTROL & MONITORING SYSTEM

This advanced smart module regulates temperature, flow, and complex operating conditions while delivering real-time emission monitoring. Serving as an intelligent flue gas treatment system, it empowers factories to achieve continuous compliance with strict regional environmental policies.

 

Technical Advantages of Our Air Pollution Control System

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HIGH-EFFICIENCY NOX REMOVAL

Utilizing advanced scr catalytic reduction, our system guarantees up to 95%+ high-tier efficiency in nox removal from flue gas, successfully meeting the most stringent global emission standards.

 

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ADVANCED CATALYST PERFORMANCE

Equipped with premium, heavy-duty nox reduction catalyst elements, the system delivers exceptional thermal stability and long-lasting chemical activity, drastically extending the replacement and maintenance cycle.

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INTELLIGENT PLC AUTOMATION

The entire air pollution control system is managed by an intelligent PLC control module, enabling automated ammonia injection, real-time data tracking, and unmanned monitor control.

 

If you want to know more types of air pollution control devices, please visit our website.

 

Anhui Tianshun specializes in the design, manufacturing, and operation of air pollution control equipment environmental protection equipment env, offering comprehensive supporting services. The company holds a Class-B engineering design certificate for air-pollution control and a Class-I professional contracting qualification for environmental protection projects.

FIXED-BED DESULFURIZATION

This system uses a calcium-based granular desulfurizer to absorb sulfur dioxide from flue gas, producing calcium sulfate. The system is implemented using a quasi-intermittent moving bed system. Alkali (primarily composed of Ca(OH)2) and catalyst granules are placed in a desulfurization reactor. As the flue gas flows through, the sulfur dioxide is oxidized to sulfur trioxide, which then solidifies into calcium sulfate (gypsum) solids. The entire process uses no water and produces no wastewater. Furthermore, there is no need for desulfurization, making it simple to operate. It is also not very sensitive to flue gas temperature and is suitable for almost all flue gas conditions.

 

KEY BENEFITS OF FIXED-BED DESULFURIZATION

Fixed-bed reactors of varying structures and sizes can be configured to meet the needs of limited on-site space.

 

Simultaneously removes pollutants such as SO2 and dust.

 

Reduces nitrogen oxide emissions to a certain extent; the desulfurization tower itself reserves space for future denitrification agent loading, allowing existing equipment to reduce nitrogen oxide emissions.

 

Minimal resistance loss; low fan power and energy consumption.

 

Desulfurization agent loading and replacement can be flexibly adjusted to meet the needs of on-site production organization.

 

Virtually no maintenance is required.

 

APPLICATION OF FIXED-BED DESULFURIZATION

This system offers advantages such as simple operation, no wastewater generation, minimal equipment corrosion, and low temperature drop. Its primary applications include: flue gas treatment for blast furnace hot blast stoves and rolling mill reheating furnaces in the steel industry; as well as flue gas purification for gas-fired boilers and coke ovens in other industrial sectors, ensuring compliance with environmental protection requirements.

 

If you want to know more about solutions to nitrogen oxide pollution, please visit our website.

 

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