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The influence relationship between the cyclic capacity and CO2-lean loading (different amines) – simulation

https://doi.org/10.3390/pr9122184

“The previous section explained the influence of L/G on energy consumption, and the value of L/G is related to the cyclic capacity of the amine solvent. CO2-lean loading, a process parameter set in the process, also affects the regeneration energy consumption by affecting the cyclic capacity. It is the CO2 loading of the stream LS1. The influence relationship is shown in Figure 5. In the case of a fixed CO2 removal rate, if the CO2-lean loading is different, the rich loading is different. The cyclic capacity of the absorbent with different lean and rich loading is different. This can be seen from the CO2 solubility curve of the absorbents. The cyclic capacity decreases as the CO2-lean loading increases, which is the same for all solvents.”

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Figure 5. The influence relationship between the cyclic capacity and CO2-lean loading: (a) MEA, (b) DMEA, (c) 1-MPZ, (d) AMP and (e) HEPZ.”

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