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How to address corrosion in the hot and cold water heat exchangers for catalytic top circulation oil in the petrochemical industry?

2026-05-02View Original

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The image below shows the corrosion condition of a hot water heat exchanger for catalytic top circulation oil in a petrochemical company after 2 years of use. Material: carbon steel; fluid in the tube side: low-temperature hot water; fluid in the shell side: top circulation oil. What methods can be used to avoid corrosion?

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