Corrosion of carbon steel and stainless steel by acetic acid
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I would like to ask what causes acetic acid to corrode carbon steel or stainless steel? What material is best for storage? Are there any methods to prevent corrosion of steel by acetic acid?
Use PTFE tubes or glass-lined tubes; they offer better corrosion resistance
Is it possible to use 304 stainless steel for evaporation under reduced pressure at a temperature of 70°C, with water containing 1% acetic acid?
Stainless steel is suitable for normal temperature use; acetic acid at 130 degrees Celsius has an erosive effect on stainless steel, and 316L cannot withstand such corrosion. Titanium and duplex steel 2205 are both suitable options. Is it possible to use 304 stainless steel for evaporation under reduced pressure at a temperature of 70°C, with water containing 1% acetic acid? ——Personally, I think it’s fine; the HAC concentration is not high, and attention should be paid to the halide ion content