Abstract

For developing the high efficiency and new-style CO2 absorbent, the CO2 absorbing ability, separating performance, causticity to steel and decomposition performance were studied and contrasted for various kinds of absorbent. It was suggested that 12%MEA+7.5%AMP is the best composite absorbent. The rich liquid regeneration temperature is 100°C. Adding 1% sodium metavanadate could reduce the corrosion and decomposition.

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