Pipeline material for concentrated sulfuric acid and dilute sulfuric acid at 50–80°C pipe diameter
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The reaction temperature is 50–80°C. Initially, concentrated sulfuric acid is added; after the reaction, the remaining sulfuric acid becomes dilute sulfuric acid. What material should be used for the pipes at the bottom of the reaction tank to withstand both the oxidative corrosion caused by concentrated sulfuric acid and the acidic corrosion caused by dilute sulfuric acid, while also meeting the temperature requirements? I hope experts can help answer this question
1. Carbon steel lined pipes can withstand temperatures above 100 degrees. 2. It is also acceptable to consider S316L. It is crucial to carry out proper inspections to prevent dilute acid from appearing in the pipes.
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What is the typical length of a PTFE-lined pipe? Can it be 2 meters or longer?
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