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One of the indicators that hydrogen pre-sulfurization is complete is that the difference in dew point between the inlet and outlet gases of the reactor is within 3°C. Why within 3°C? Is there anything special about this? Solve doubts.
Is it too late? The experts must be resting by now
Is it convenient to measure dew point temperature? It should be calibrated based on the hydrogen sulfide content in the recycled hydrogen. I’m not exactly sure either
The smaller the dew point difference, the smaller the change in water vapor content in the gas, right?
Is this question really that difficult? Is management there? Come in and answer.
The smaller the change in dew point, the more stable the water content is, and almost no sulfidation reaction occurs.
This temperature difference can be understood as no reaction occurring inside the reactor, which is why the temperature change is small; but why is it 3°C and not 5°C? What about 10℃?
This should be a value determined by experience; it is generally used to detect the sulfur content at the outlet and the degree of dehydration.