Names of various methanol types in the low-temperature methanol washing unit
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How is lean methanol, decarbonized methanol, and desulfurized methanol distinguished in low-temperature methanol washing?
Poor methanol refers to methanol that has been regenerated, with H2S levels below 1 PPM, water content less than 0.5%, and CO2 levels below 1%. Decarbed methanol is the methanol that comes out of the decarbing section in the absorption tower. Desulfurized methanol: The rich methanol that has absorbed CO2 and H2S, coming out of the bottom of the tower.
The explanation on the second floor is more perfect; he doesn’t even know the term for methanol. Right now he’s unable to get the process working, so he should first focus on learning the process properly.
The product coming out of the regeneration tower is called lean methanol; the product from the decarboxylation section is called decarboxylated methanol, and the product from the desulfurization section is called desulfurized methanol