In a 10-20% sulfuric acid system at temperatures above 200°C, what is the allowable concentration of iron ions for zirconium materials to maintain corrosion resistance?

2018-11-06View Original

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Currently, 10-20% sulfuric acid is used at a temperature of 240°C, and zirconium material is employed for the reaction vessels. Now, there is a desire to use sulfuric acid containing iron ions; from what I’ve found online, it seems that iron ions can affect the corrosion resistance of zirconium material. Does anyone know what the impact of iron ions is on the performance parameters of zirconium material under these conditions?

Reply #22018-11-28

240°C – it’s boiling now. What is the concentration of iron ions in ppm?

Reply #32019-01-10

I also want to know the result; I hope an expert can give some guidance.

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In a 10-20% sulfuric acid system at temperatures above 200°C, what is the allowable concentration of iron ions for zirconium materials to maintain corrosion resistance?

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