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This article investigates the impact of varying lean amine temperature on CO 2 removal. MDEA is not typically used for gases with high-CO 2 content due its slow reaction rate with CO 2.īRE suggests that challenges for using MDEA for treating gases with high-CO 2 content could be overcome by using proper operating temperatures and designing the absorber trays to provide adequate residence time. Generic MDEA (N-methyldiethanolamine) is typically only used for stripping H 2S gases from the sour gas based on selective absorption. Sulfinol has a high CO 2 absorption capacity and has been designed for CO 2 removal. Sulfinol is a mixture of Sulfolane (a physical solvent), water and either DIPA (Diisopropanolamine) or MDEA (with or without Piperazine, an accelerator). For sour gas with high CO 2 content, Sulfinol or similar proprietary solvents are typically used.
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