H2S phase in liquid hydrocarbons before desulfurization
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Does anyone know the phase state of H2S at different temperatures and pressures? For example, in liquid hydrocarbons before desulfurization, that is, in the reflux tank at the top of the stabilizer at a pressure of 1.0 MPa and a temperature of 30 degrees, is H2S in a liquid or gas state?
It should be gas-phase hydrogen sulfide molecules dissolved in liquid liquefied gas.
So what causes the proportion of H2S dissolved in liquid hydrocarbons to increase or decrease? According to analytical tests, the pressure in the stabilizer and the pressure in the overhead reflux tank do not change much, yet the proportion of H2S in the analyzed liquid hydrocarbons varies significantly.