Does a high concentration of MDEA solution have an impact on hydrogen sulfide absorption?
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Does a high concentration of MDEA solution have an impact on hydrogen sulfide absorption?
At higher MDEA solution concentrations, the absorption capacity of MDEA for H₂S increases relatively； But there should also be some negative effects
An increase in the concentration of the MDEA solution enhances its ability to absorb hydrogen sulfide. .
In practice, when the concentration is above 58%, the desulfurization effect is poor
An excessively high concentration of the MDEA solution increases viscosity, resulting in a reduced gas diffusion rate, which may affect the desulfurization efficiency. Typically, the optimal usage concentration of MDEA is 40%-50% to ensure good desulfurization performance and lower energy consumption. In practical operation, the concentration of MDEA should be adjusted according to specific conditions in order to achieve the best desulfurization effect. .