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Training Time: 10 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, Portuguese, French, Russian
A boiler recovers heat from burned fuels. This is accomplished when high pressure boiler feedwater inside tubes located throughout the boiler is heated and turns into steam or hot water. The steam or hot water is then used in a variety of facility processes. Boiler feedwater often contains inorganic salts, dissolved impurities, and foreign particles, which generate corrosion problems and decrease efficiency due to damage to heat transfer surfaces. Demineralizers use ion exchange resins to remove these impurities in the raw water used for makeup in boiler feedwater.
Kraft Recovery Boiler Fundamentals
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The following key questions are answered in this module:
What is the purpose of boiler feedwater demineralizers? Boiler feedwater often contains inorganic salts, dissolved impurities, and foreign particles, which generate corrosion problems and decrease efficiency due to damage to heat transfer surfaces. Demineralizers use ion exchange resins to remove these impurities in the raw water used for makeup in boiler feedwater.
What is the ion exchange process? Ion exchange is the main process used to control purity and pH of boiler feedwater.
What are the two most common types of demineralizer designs? Single-bed demineralizers and mix-bed demineralizers.
What is the regeneration process used in demineralizers? Ion exchange resins have a certain capacity for removing ions from water and when their capacity is used up they have to be regenerated.
Below is a transcript of the video sample provided for this module:
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