SULFURIC ACID MANUFACTURERS

Minimize corrosion and optimize your processing through acid dew point measurement.

Minimize Equipment Corrosion, Process Downtime and Hydrogen Safety Hazards

When moisture leaks into the sulfuric acid process, the acid dew point of the flue gas rises and is, therefore, a leading indicator of moisture leaks. The Breen-SA Probe measures acid dew point, trends and conductivity as a moisture leak detection system, thereby preventing disruption.

It is critical to avoid the formation of weak sulfuric acid at any point in the process to avoid corrosion

Sulfuric acid is manufactured by oxidizing SO2 gas to SO3 in a converter through a catalytic oxidation process. The most common sources of moisture ingress include but are not limited to:

  • Drying tower malfunction
  • Moisture in feed
  • Waste heat boiler tube leaks
  • Economizer tube leaks
  • Cleaning system malfunctions

It is critical to avoid the formation of weak sulfuric acid at any point in the process to avoid corrosion. Weak sulfuric acid is formed when the SO3 gas reacts with moisture (H2O). The sulfuric acid manufacturing process includes several stages of heat removal (see process flow diagram below), namely the waste heat boiler and economizers.

The potential sources of moisture ingress in the process are:

  • Drying tower malfunction
  • Moisture in feed
  • Waste heat boiler tube leaks
  • Economizer tube leaks
  • Cleaning system malfunctions
Sulfuric Acid Manufacturing Process Flow

Moisture leak detection in the sulfuric acid process is highly desirable to minimize equipment corrosion, process downtime and H2 safety hazards. When moisture leaks into the process, the acid dew point of the flue gas rises and is a leading indicator of moisture leaks. Therefore, a device that can measure acid dew point as a moisture leak detection system can provide benefits to the process.

The Breen-SA Probe is ideally suited for this application. This system was specifically developed for this challenging environment to provide a warning for moisture leaks in the system.

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Minimizing corrosion and optimizing your processing through acid dew point measurement is vital to running a clean operation. The Breen Energy Solutions team can help you control and comply in real time.