Evaluating the energy performance of a hybrid membrane-solvent process for flue gas carbon dioxide capture

Kusuma, Victor A.; Li, Zhiwei; Hopkinson, David; Luebke, David R.; Chen, Shiaoguo

doi:10.1021/acs.iecr.6b01656

Title: Evaluating the energy performance of a hybrid membrane-solvent process for flue gas carbon dioxide capture

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Abstract

In this study, a particularly energy intensive step in the conventional amine absorption process to remove carbon dioxide is solvent regeneration using a steam stripping column. An attractive alternative to reduce the energy requirement is gas pressurized stripping, in which a high pressure noncondensable gas is used to strip CO₂ off the rich solvent stream. The gas pressurized stripping column product, having CO₂ at high concentration and high partial pressure, can then be regenerated readily using membrane separation. In this study, we performed an energetic analysis in the form of total equivalent work and found that, for capturing CO₂ from flue gas, this hybrid stripping process consumes 49% less energy compared to the base case conventional MEA absorption/steam stripping process. We also found the amount of membrane required in this process is much less than required for direct CO₂ capture from the flue gas: approximately 100-fold less than a previously published two-stage cross-flow scheme, mostly due to the more favorable pressure ratio and CO₂ concentration. There does exist a trade-off between energy consumption and required membrane area that is most strongly affected by the gas pressurized stripper operating pressure. While initial analysis looks promising from both an energy requirement andmore »« less

Authors:

Kusuma, Victor A. ^[1]; Li, Zhiwei ^[2]; Hopkinson, David ^[3]; Luebke, David R. ^[4]; Chen, Shiaoguo ^[2]

National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States); AECOM Corp., Pittsburgh, PA (United States)
Carbon Capture Scientific LLC, South Park, PA (United States)
National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)
National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States); LumiShield Technologies, Inc., Pittsburgh, PA (United States)

Publication Date:: Thu Oct 13 00:00:00 EDT 2016

Research Org.:: National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1366433

Report Number(s):: CONTR-PUB-208
Journal ID: ISSN 0888-5885

Grant/Contract Number:: FE0004000

Resource Type:: Accepted Manuscript

Journal Name:: Industrial and Engineering Chemistry Research

Additional Journal Information:: Journal Volume: 55; Journal Issue: 43; Journal ID: ISSN 0888-5885

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; gas pressurized stripping; membrane; CO2 absorption; amine solvent

Citation Formats


                    Kusuma, Victor A., Li, Zhiwei, Hopkinson, David, Luebke, David R., and Chen, Shiaoguo. Evaluating the energy performance of a hybrid membrane-solvent process for flue gas carbon dioxide capture.  United States: N. p., 2016. 
Web.  doi:10.1021/acs.iecr.6b01656.

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                    Kusuma, Victor A., Li, Zhiwei, Hopkinson, David, Luebke, David R., & Chen, Shiaoguo. Evaluating the energy performance of a hybrid membrane-solvent process for flue gas carbon dioxide capture.  United States.  https://doi.org/10.1021/acs.iecr.6b01656

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                    Kusuma, Victor A., Li, Zhiwei, Hopkinson, David, Luebke, David R., and Chen, Shiaoguo. Thu .  
"Evaluating the energy performance of a hybrid membrane-solvent process for flue gas carbon dioxide capture".  United States.  https://doi.org/10.1021/acs.iecr.6b01656.  https://www.osti.gov/servlets/purl/1366433.

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@article{osti_1366433,

  title        = {Evaluating the energy performance of a hybrid membrane-solvent process for flue gas carbon dioxide capture},

  author       = {Kusuma, Victor A. and Li, Zhiwei and Hopkinson, David and Luebke, David R. and Chen, Shiaoguo},

  abstractNote = {In this study, a particularly energy intensive step in the conventional amine absorption process to remove carbon dioxide is solvent regeneration using a steam stripping column. An attractive alternative to reduce the energy requirement is gas pressurized stripping, in which a high pressure noncondensable gas is used to strip CO2 off the rich solvent stream. The gas pressurized stripping column product, having CO2 at high concentration and high partial pressure, can then be regenerated readily using membrane separation. In this study, we performed an energetic analysis in the form of total equivalent work and found that, for capturing CO2 from flue gas, this hybrid stripping process consumes 49% less energy compared to the base case conventional MEA absorption/steam stripping process. We also found the amount of membrane required in this process is much less than required for direct CO2 capture from the flue gas: approximately 100-fold less than a previously published two-stage cross-flow scheme, mostly due to the more favorable pressure ratio and CO2 concentration. There does exist a trade-off between energy consumption and required membrane area that is most strongly affected by the gas pressurized stripper operating pressure. While initial analysis looks promising from both an energy requirement and membrane unit capital cost, the viability of this hybrid process depends on the availability of advanced, next generation gas separation membranes to perform the stripping gas regeneration.},

  doi          = {10.1021/acs.iecr.6b01656},

  journal      = {Industrial and Engineering Chemistry Research},

  number       = 43,

  volume       = 55,

  place        = {United States},

  year         = {Thu Oct 13 00:00:00 EDT 2016},

  month        = {Thu Oct 13 00:00:00 EDT 2016}

}

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