Brian Dalder Forum Moderator 179 Posts
Re: Is it feasible to use carbon steel with some rubber or Teflon lining?10 November 2010 at 1:29pm
You have not stated what temperatures you are concerned about, what equipment, or what concentration range other than it being > 98%. The MOC recommendation will depend on answers to these questions. Sulfuric acid is a tricky substance to deal with as its corrosive properties change dramatically with velocity, concentration, impurities, and temperature. For example, carbon steel is often used for sulfuric acid storage tanks but it is not an acceptable MOC for piping due to velocity effects. So you may find it beneficial to consult some specific references on the design and construction of sulfuric acid storage tanks and distribution systems. A good place to start is the NACE standard SP0294 "Design, Fabrication, and Inspection of Storage Tank Systems for Concentrated Fresh and Process Sulfuric Acid and Oleum at Ambient Temperatures."
What should be the possible metallurgy for sulfuric acid of concentration higher that 98%? Keeping in mind the higher metallurgy, is it feasible to use carbon steel with some rubber or Teflon lining?
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