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Treating acid gases contained in natural gas by MDEA is used widely.But the efficiency ofregeneration of the MDEA solution limited the development of this technology.An optimal temperature isnecessary for regeneration of the MDEA solution using membrane distillation.The experiment resultsshowed that the regeneration rate of MDEA rose with an increasing temperature.But the rate increasedslowly after the regeneration temperature arrived at a certain value.This study can confirm that regenera-tion of the MDEA solution using membrane distillation is feasible.This technology provides more advan-tages as compared to conventional regeneration process.