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Monoethanol Amine Modified Zeolite 13X for CO2Adsorption at Different Temperatures
Abstract
Zeolite 13X has been modified with monoethanol amine (MEA). MEA loadings of 0.5–25 wt % have been achieved using the impregnation method in different solvents. The mode of incorporation based on methanol with stirring at room temperature appears to be the most feasible. The adsorbent has been characterized for crystallinity, surface area, pore volume, and pore size. The thermal stability of the adsorbent is studied using a thermal analyzer. The CO 2 adsorption capacity of adsorbents is evaluated using the breakthrough adsorption method with a packed column on a 10 g scale. The adsorption capacities of adsorbents are estimated in the temperature range 30–120 °C. The adsorbents show improvement in CO 2 adsorption capacity over the unmodified zeolite by a factor of ca. 1.6 at 30 °C, whereas at 120 °C the efficiency improved by a factor of 3.5. For adsorption at these temperatures, different MEA loading levels were found to be suitable as per the governing adsorption phenomena, that is, physical or chemical. The adsorbent is also studied for CO 2 selectivity over N 2 at 75 °C. The MEA-modified adsorbent shows better CO 2 selectivity, which was improved further in the presence of moisture.
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Cited by
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Siegelman, R. L., Kim, E. J., & Long, J. R. (2021) · Nature Materials · doi:10.1038/s41563-021-01054-8 · Cited by 722
A review on solid adsorbents for carbon dioxide capture
Lee, S.-Y., & Park, S.-J. (2015) · Journal of Industrial and Engineering Chemistry · doi:10.1016/j.jiec.2014.09.001 · Cited by 707
Adsorption of Carbon Dioxide for post-combustion capture: a review
Raganati, F., Miccio, F., & Ammendola, P. (2021) · Energy & Fuels · doi:10.1021/acs.energyfuels.1c01618 · Cited by 661
Understanding the Effect of Water on CO2 Adsorption
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Metadata
- Authors
- Jadhav, P. D., Chatti, R. V., Biniwale, R. B., Labhsetwar, N. K., Devotta, S., & Rayalu, S. S.
- Venue
- Energy & Fuels
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-11
- Volume
- 21
- Issue
- 6
- Pages
- 3555-3559
- ISSN
- 0887-0624 (ISSN-L)
- 1520-5029
- OpenAlex
- W1966321810
- Cited by
- 236
- References
- 0
- FWCI
- 12.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jadhav, P. D., Chatti, R. V., Biniwale, R. B., Labhsetwar, N. K., Devotta, S., & Rayalu, S. S. (2007). Monoethanol Amine Modified Zeolite 13X for CO2Adsorption at Different Temperatures. Energy & Fuels. https://doi.org/10.1021/ef070038y
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