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Determining the corrosivity of methanol solutions

2017-09-11 View Original

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What is the corrosivity of a methanol-water solution with a molar ratio of 1:1? What will happen to the corrosivity of the mixed steam if it is heated to 150°C? What type of material should be used for pipes to transport it in such conditions?
Reply #2 2017-09-11
Its corrosivity is low; to prevent carbon steel from rusting and changing color, 304 stainless steel is sufficient
Reply #3 2017-09-19
Methanol–formaldehyde–formic acid is a continuous oxidation process. Formic acid corrodes metals. If the coating solves the problem. First, it must withstand dissolution by solvents such as methanol, and then it must resist corrosion by corrosive agents such as formic acid.

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