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Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsMaterial Select...Material Select...H2SO4H2SO4
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12/3/2004 9:00 AM
 
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H2SO4 
Looking for experience on material selection of heat exchanger material for 80% H2SO4 with approx. 0.1% Cl2. Temperature is approx. 80 deg. F. Any experience with Hastelloy C276, or Alloy 20?
 
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12/3/2004 9:00 AM
 
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rick: Thanks for your post. Materials selection choices will partially be influenced by what component of the heat exchanger you are interested in, i.e., shell, channel, tubes, etc. and the design life of the exchanger. Flow rates also influence the corrosion rates in H2SO4 service. Perhaps you could elaborate for our members and interested visitors. David Hendrix The Hendrix Group Inc.
 
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12/7/2004 9:00 AM
 
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rick.... What are your pressures and flowrates ? My first suggestion would be to consider a plate-frame HX constructed from premium materials. Probably C-276 will do the job.. However, pressure drop for this type of HX is a major consideration... What materials are you using to transport and pump this acid ? MJC
 
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2/7/2005 9:00 AM
 
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I would look into Ta and Nb. I know its rather expensive, but some time there is no other alternative...
 
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