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Methoxide compatibility with steel tank?
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Is it considered acceptable to use a steel tank as a container for the methoxide mixture? I am thinking of using an air compressor tank as a vessel for methoxide delivery for a reactor I'm working on. I know the methanol is OK in a steel container, but how about when it is mixed with the KOH lye?

SteveM
 
Registered: July 11, 2004Reply With QuoteReport This Post
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KOH is listed as a class 8 corrosive. It will eventually eat through a steel tank. Stainless steel is ok though.



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Location: :-) Great White North eh ? | Registered: December 10, 2004Reply With QuoteReport This Post
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Jet
-depends on how much time the corrosive mixture is sitting in the tank. my steel methoxid tank (converted propane tank) is almost 6 years old and no signs of any corrosion. I make new methoxid for each batch, and process over 7000 ltrs a year, 160 ltr at a time. Tom


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Location: Manitoba Canada | Registered: March 24, 2009Reply With QuoteReport This Post
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Steel stands up to alkalies, but not to acids. It's OK. Smile


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Location: Sterling Hts. Michigan USA | Registered: October 18, 2001Reply With QuoteReport This Post
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