December 2005

Trends and Resources

HP Impact: Ethylene mercury deposits: messages from Prague

A gathering of ethylene producers in Prague, The Czech Republic, thrashed out its concerns over mercury corrosion in aluminum heat exchangers. "There was a good paper on the subject and a discussion a..

Weirauch, Wendy, Hydrocarbon Processing Staff

A gathering of ethylene producers in Prague, The Czech Republic, thrashed out its concerns over mercury corrosion in aluminum heat exchangers. "There was a good paper on the subject and a discussion afterwards," according to the session chairman at the European Ethylene Producers Committee Annual Health Safety and Environment conference. "The recommendation is that, yes, mercury is sometimes there, but the corrosion risk only occurs if the heat exchanger is exposed to stress, such as tension, rotation or sheer," said Heinz Zimmermann, business development manager for olefin plants at Linde. Dr. Zimmermann said that the conclusions were reassuring. Plant operators have reported mercur

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