Atmospheric Deaerator Market to Register Highest CAGR Growth of 5.32% by 2032: Analysis by Segmentation, Competitors Analysis and Future Trends

In any industrial setting where steam production is essential, maintaining boiler efficiency is a priority. One crucial component that helps achieve this efficiency is the atmospheric deaerator. While often overshadowed by more prominent boiler equipment, deaerators play a vital role in improving system longevity, energy efficiency, and overall plant productivity.

Atmospheric Deaerator Market Size was estimated at 1.94 (USD Billion) in 2023. The Atmospheric Deaerator Market Industry is expected to grow from 2.05(USD Billion) in 2024 to 3.1 (USD Billion) by 2032. The Atmospheric Deaerator Market CAGR (growth rate) is expected to be around 5.32% during the forecast period (2024 - 2032).

Why Remove Dissolved Gases?

Feedwater in a boiler system often contains dissolved oxygen (O₂) and carbon dioxide (CO₂). These gases are highly corrosive, particularly when combined with elevated temperatures and pressure in boiler systems. Here’s how they cause problems:

• Oxygen Corrosion: Oxygen can form oxides on internal surfaces of the boiler, especially steel, leading to pitting corrosion.
• Carbon Dioxide Corrosion: CO₂ combines with water to form carbonic acid, which corrodes the metallic surfaces in condensate return lines.

Corrosion leads to:

• Reduced boiler efficiency.
• Frequent maintenance and repairs.
• Increased downtime.
• Higher operational costs.

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How Atmospheric Deaerators Work

Atmospheric deaerators rely on thermal deaeration and mechanical separation principles. The general working mechanism involves:

• Heating Feedwater: The feedwater is heated close to its boiling point using low-pressure steam or a heat exchanger. Heating reduces the solubility of dissolved gases in the water.
• Mechanical Mixing or Spraying: Water is sprayed or cascaded over trays or through a scrubber tower inside the deaerator. This increases surface area and contact time, facilitating the release of dissolved gases.
• Ventilation: Released gases are vented through an atmospheric vent, which allows the gases to escape without the need for a pressurized system.
• Collection: The deaerated water collects at the bottom of the tank or deaeration section and is then ready to be fed into the boiler.

Key Components of Atmospheric Deaerators

• Spray Nozzles or Trays: Provide fine dispersion of water for better heat and gas release.
• Steam Inlet: Supplies steam for heating the feedwater.
• Vent Line: Allows oxygen and other non-condensable gases to escape to the atmosphere.
• Storage Tank: Holds the deaerated feedwater before it is pumped to the boiler.
• Temperature and Level Control: Ensures optimal operation and safety.

Advantages of Atmospheric Deaerators

• Simplicity and Cost-Effectiveness Atmospheric deaerators are typically less expensive and simpler in design than pressurized systems, making them ideal for smaller or less complex boiler operations.
• Corrosion Control By removing dissolved oxygen and CO₂, these systems help minimize corrosion in the boiler and associated piping.
• Improved Boiler Efficiency Deaerated water improves heat transfer in the boiler, reducing energy consumption and increasing efficiency.
• Operational Safety Operating at atmospheric pressure reduces risks associated with pressurized equipment, making it safer and easier to maintain.

Limitations of Atmospheric Deaerators

While useful, atmospheric deaerators are not suited for all applications:

Applications

Atmospheric deaerators are commonly used in:

• Hospitals and healthcare facilities with low-pressure steam needs.
• Small manufacturing plants where steam heating is used.
• Food and beverage processing plants, especially in pasteurization or sterilization processes.
• Laundries and commercial cleaning operations.

Maintenance and Monitoring

To maintain optimal performance, atmospheric deaerators require regular inspection and maintenance:

• Check spray nozzles and trays for blockages or wear.
• Monitor vent lines to ensure they are free of obstructions.
• Inspect temperature levels to ensure water is adequately heated.
• Test water for residual oxygen levels to validate deaeration efficiency.

Incorporating chemical oxygen scavengers (e.g., sodium sulfite) can also support the deaeration process and provide additional protection.

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Key Companies in the Atmospheric Deaerator Market Include:

• GE Power
• Ruhrpumpen
• Sulzer Ltd
• Alfa Laval
• Toray Industries
• Thermo Fisher Scientific
• HATEC
• Dow Chemical
• Water Technology International
• SPX FLOW
• Ebara Corporation
• Shin Nippon Machinery Company
• Flowserve Corporation
• Milton Roy Mixing
• Worthington Industries

Atmospheric deaerators may be modest in design, but their impact on boiler efficiency and system longevity is profound. By efficiently removing corrosive gases from feedwater, they protect infrastructure, reduce maintenance costs, and support consistent steam production.

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