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Coil material for heating HCl?

please suggest me heating element which should not corroded in HCl acid bath of 5000 ltrs volume, the tank is made of F.R.P. and temperature requirement of 90 C.

Pankaj kumar
hobbyist - India
September 18, 2010

The steel pickling companies use graphite heat exchangers.

Lyle Kirman

Lyle Kirman
consultant - Cleveland Heights, Ohio
First of two simultaneous responses -- September 23, 2010

Pankaj, you can either use PTFE coils or tantalum metal coils. Good luck.

Jon Barrows, MSF, EHSSC
Independence MO
Second of two simultaneous responses -- September 23, 2010

...or graphite external exchangers as Lyle said. PTFE or tantalum would be options for in-tank immersion coils.

Jon Barrows, MSF, EHSSC
Independence MO
September 23, 2010

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