Reasons for the high bottom temperature in the hydrogen sulfide concentration tower of low-temperature methanol washing
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The temperature in the hydrogen sulfide concentration tower is generally in line with the design values, but the temperature at the bottom of the tower is about 4°C higher than the designed value, resulting in a higher temperature of the methanol-poor stream
Is the water content in methanol high? What is the system pressure?
Water content: 3-4%, tower pressure: around 65 KPa
Why can’t it go down? This is also way too high
Is the tower you’re referring to that stripping tower?
The water content is high; the boiling point of the methanol/water mixture is already high, and on top of that, the water content is so high!