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Sour gas is put through separation systems in the first stages of processing after being extracted from wells. Separators are specifically designed is to separate out liquids and solids from gases. Quality for standard refined gases usually requires the separation of sulfur and carbon dioxide compounds down to the desired values. The purpose of this study was to examine the applicability of MDEA amine in natural gas sweetening on a laboratory scale in the Bidboland gas refinery. Units 300 and 500 of Bidboland Gas Refinery were employed for measuring the amounts of H2S, CO2, and weight percentage for lean and rich amines. The findings of this study indicated that the amount of loading in MDEA, and the amount of H2S and CO2, and its sum increases as the density increases. This increase in rich amine indicates a high adsorption percentage.