In my manuscript, I wrote the following sentence “The results indicate that at the temperature range from 20 to 40 °C, the diffusion of CO2 in the TEOS may be a sorption rate-control step. Consequently, elevating temperature results in increase of the number of accessible amine sites in the sorbent, and, thus, increases the CO2 sorption capacity. When the temperature is higher than 40 °C, the thermodynamics may play a more important role, thus, resulting in decrease of the sorption capacity with increasing temperature”.
Reviewer asked me to add discussion on what it the important thermodynamic role.
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Here, the word "thermodynamics" is confusing. Normally thermodynamics related to the reaction direction and reaction constant.
Change terms. "When the temperature is higher than 40 °C, the rate of interraction of CO2 with sorbent (physical adsorption or chemosorption) may play a more important role, thus, resulting in decrease of the sorption capacity with increasing temperature”. Incressing of temperature increases rate of diffusion and chemical processes.
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