Pure aluminium tanks were chosen to store 100% conc. nitric acid on a commercial scale.When 50%v/v HNO3 is used,corrosion happen.Causes?Is it due to oxidation forming Al2O3,but when scratched,exposed aluminium,which reacted with the diluted acid?What type of materials should be selected?Can i select Stainless steel 314 and polyethylene?What other materials can i select and what factors must i consider.
Red Flag Submitted
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The Eng-Tips staff will check this out and take appropriate action.
Reply To This Thread
Posting in the Eng-Tips forums is a member-only feature.
Today, the pace of innovation in the manufacturing industry is faster than ever before, but at the same time engineers are under increased pressure to get concepts to market quickly. Development teams must make fast and accurate decisions during the conceptual stage of design.