Abstract
Taking CO2 absorption as background, this paper makes a research on the experiments of CO2 absorption of the NaOH solution within microchannel reactor. By changing the concentration, superficial gas velocity and superficial liquid velocity of NaOH solution, their impact on the CO2 absorption rate is studied, and the results show that the overall mass transfer coefficient G Ka increases when NaOH solution concentration increases. Under the same superficial liquid velocity, when superficial gas velocity increases, G Ka also increases, and with the increase of superficial gas velocity, the increasing trend gradually slows down. At the same superficial gas velocity, with the increase of superficial liquid velocity, G Ka also increase, and with the increase of superficial gas velocity, the increasing trend becomes faster.
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