Corrosion Monitoring on Alumina Refining Digesters
Protect your digester with continuous corrosion monitoring.
Real-Time Monitoring for Safer, Smarter Alumina Refining
The digester is vital in the Bayer process for alumina refining, where alumina is dissolved from bauxite using a combination caustic soda and high temperatures. These conditions are ideal for corrosion to occur. If left unmonitored, this can lead to loss of containment, posing significant safety and operational risks. Non-intrusive corrosion monitoring enables real-time tracking of the digester’s health by measuring direct wall thickness at its thinnest points of the digester. This ensures plant safety and reliability by empowering operators to make data-driven decisions. Additionally, continuous monitoring it supports improved maintenance planning, maximizing operations and enabling the processing of lower-quality bauxite efficiently due to the higher concentrations of caustic soda and higher temperatures which are required.
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Product Solutions
Get ongoing visibility of corrosion and erosion trends in real-time with unique ultrasonic sensors that continuously measure pipe thickness. Optimized for use in the chemical industry, the Rosemount ET310C is non-intrusive and battery-powered, allowing for quick and straightforward magnetic installation on any metal. The reliable, accurate wall thickness data delivered via a WirelessHART® network from the Rosemount ET310C to Plantweb™ Insight can help you make better decisions regarding pipe maintenance and replacement.
- Accurately identify corrosion and erosion trends, avoiding unplanned outages and incidents
- Perform predictive maintenance and extend runtimes, with the confidence of continuous asset integrity data
- Maximize asset utilisation and production capacity with real-time asset health information at desk.
Get ongoing visibility of corrosion and erosion trends in real-time with unique ultrasonic sensors that continuously measure pipe thickness. The ET410 Sensor system is non-intrusive and battery-powered, allowing for quick and straightforward magnetic installation. The reliable, accurate wall thickness data delivered via a WirelessHART® network from the ET410 system to the accompanying software can help you make better decisions regarding pipe maintenance and replacement.
- May be used on metal with a service temperature up to 270°C (518°F)
- The wall thickness sensors use EMAT technology enabling easy installation and continuous operation in downstream applications
- Accurately identify corrosion and erosion trends while avoiding inefficient and potentially unsafe manual inspection methods
