Desulfurization of MTBE product
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We adjusted the pressure of the desulfurization tower today, and as a result the sulfur content in the MTBE product became unacceptable. How did this happen?
It’s possible that the form of sulfur in the raw materials has changed!
Has the pressure increased or decreased? The pressure of the steam also needs to be adjusted accordingly
Hello, teacher. Due to a slight internal leakage in the condenser at the top of the desulfurization tower, the pressure of the circulating water was reduced slightly without shutting down the system, while the pressure in the desulfurization tower was increased slightly in order to reduce the pressure difference between the shell side and the tube side of the condenser
In that case, will an increase in the pressure at the top of the tower affect the desulfurizer’s ability to absorb sulfur?
To increase the pressure, it is necessary to raise the temperatures at the bottom and top of the tower accordingly.
This is too dangerous; it’s better to stop operations right away and replace the water cooler.
MTBE has a certain solubility in water, around 4%; will this prevent a decrease in the yield of MTBE produced?
Has the original poster solved their problem? I wonder what process you use? Is it extractive distillation? Reducing the circulating water pressure will decrease the volume of circulating water, which in turn reduces the flow rate at the top of the tower, lowers the reflux ratio, and diminishes the separation accuracy, resulting in sulfur content that does not meet the specifications.
A high temperature at the bottom of the tower results in poor desulfurization efficiency. Generally, such towers operate at atmospheric pressure; when the temperature at the bottom of the tower exceeds 120 degrees, the desulfurization effect is not good. This can be controlled by discharging the sludge from the bottom of the tower, which will help improve the situation