How does liquefied gas transition between gas and liquid states in the desulfurization tower?
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How does liquefied gas transition between gas and liquid states in the desulfurization tower? Liquefied gas is in a liquid state when it passes through the pump, but it becomes gaseous upon entering the tower. How does this transformation take place, and what are the conditions for it?
LPG is in liquid phase in both the desulfurization and dewaxing systems. Assuming the pressure of the liquefied gas before it enters the pump is 0.8, the pressure after pressurization and passing through the control valve to reach the tower is 1.3 (the temperature also increases after pressurization, resulting in a relatively lower pressure). The higher the pressure, the higher the melting and boiling points; therefore, under high-pressure conditions, the liquefied gas remains in a more stable liquid state. In a stabilization system, liquefied gas should be in a state where both gas and liquid phases are present.
Stabilized liquefied gas remains in a liquid state throughout the desulfurization process.