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Corrosion protection for equipment in contact with nitric acid and organic acids in coal-based ethylene glycol production.

2017-09-06View Original

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In coal-based ethylene glycol production, 304L is used for the piping of equipment that comes into contact with nitric acid, while 306L is used for piping of equipment that may be exposed to organic acids such as oxalic acid. Why is this choice made?

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