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Understanding and modelling the effect of dissolved metals on solvent degradation in post combustion CO2 capture based on pilot plant experience

(2017) ENERGIES. 10(5).
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Abstract
Oxidative degradation is a serious concern for upscaling of amine-based carbon capture technology. Different kinetic models have been proposed based on laboratory experiments, however the kinetic parameters included are limited to those relevant for a lab-scale system and not a capture plant. Besides, most of the models fail to recognize the catalytic effect of metals. The objective of this work is to develop a representative kinetic model based on an apparent auto-catalytic reaction mechanism between solvent degradation, corrosion and ammonia emissions. Measurements from four different pilot plants: (i) EnBW's plant at Heilbronn, Germany (ii) TNO's plant at Maasvlakte, The Netherlands; (iii) CSIRO's plants at Loy Yang and Tarong, Australia and (iv) DONG Energy's plant at Esbjerg, Denmark are utilized to propose a degradation kinetic model for 30 wt % ethanolamine (MEA) as the capture solvent. The kinetic parameters of the model were regressed based on the pilot plant campaign at EnBW. The kinetic model was validated by comparing it with the measurements at the remaining pilot campaigns. The model predicted the trends of ammonia emissions and metal concentration within the same order of magnitude. This study provides a methodology to establish a quantitative approach for predicting the onset of unacceptable degradation levels which can be further used to devise counter-measure strategies such as reclaiming and metal removal.
Keywords
post combustion carbon capture, oxidative degradation, auto-catalytic, iron, kinetic model, pilot campaigns, FLUE-GAS, CARBON-CAPTURE, POWER-PLANT, MONOETHANOLAMINE DEGRADATION, OXIDATIVE-DEGRADATION, THERMAL-DEGRADATION, FLY-ASH, MEA, PERFORMANCE, EMISSIONS

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MLA
Dhingra, Sanjana, et al. “Understanding and Modelling the Effect of Dissolved Metals on Solvent Degradation in Post Combustion CO2 Capture Based on Pilot Plant Experience.” ENERGIES, vol. 10, no. 5, 2017, doi:10.3390/en10050629.
APA
Dhingra, S., Khakharia, P., Rieder, A., Cousins, A., Reynolds, A., Knudsen, J., … Goetheer, E. (2017). Understanding and modelling the effect of dissolved metals on solvent degradation in post combustion CO2 capture based on pilot plant experience. ENERGIES, 10(5). https://doi.org/10.3390/en10050629
Chicago author-date
Dhingra, Sanjana, Purvil Khakharia, Alexander Rieder, Ashleigh Cousins, Alicia Reynolds, Jacob Knudsen, Jimmy Andersen, et al. 2017. “Understanding and Modelling the Effect of Dissolved Metals on Solvent Degradation in Post Combustion CO2 Capture Based on Pilot Plant Experience.” ENERGIES 10 (5). https://doi.org/10.3390/en10050629.
Chicago author-date (all authors)
Dhingra, Sanjana, Purvil Khakharia, Alexander Rieder, Ashleigh Cousins, Alicia Reynolds, Jacob Knudsen, Jimmy Andersen, Robin Irons, Jan Mertens, Mohammad Abu Zahra, Peter Van Os, and Earl Goetheer. 2017. “Understanding and Modelling the Effect of Dissolved Metals on Solvent Degradation in Post Combustion CO2 Capture Based on Pilot Plant Experience.” ENERGIES 10 (5). doi:10.3390/en10050629.
Vancouver
1.
Dhingra S, Khakharia P, Rieder A, Cousins A, Reynolds A, Knudsen J, et al. Understanding and modelling the effect of dissolved metals on solvent degradation in post combustion CO2 capture based on pilot plant experience. ENERGIES. 2017;10(5).
IEEE
[1]
S. Dhingra et al., “Understanding and modelling the effect of dissolved metals on solvent degradation in post combustion CO2 capture based on pilot plant experience,” ENERGIES, vol. 10, no. 5, 2017.
@article{8661961,
  abstract     = {{Oxidative degradation is a serious concern for upscaling of amine-based carbon capture technology. Different kinetic models have been proposed based on laboratory experiments, however the kinetic parameters included are limited to those relevant for a lab-scale system and not a capture plant. Besides, most of the models fail to recognize the catalytic effect of metals. The objective of this work is to develop a representative kinetic model based on an apparent auto-catalytic reaction mechanism between solvent degradation, corrosion and ammonia emissions. Measurements from four different pilot plants: (i) EnBW's plant at Heilbronn, Germany (ii) TNO's plant at Maasvlakte, The Netherlands; (iii) CSIRO's plants at Loy Yang and Tarong, Australia and (iv) DONG Energy's plant at Esbjerg, Denmark are utilized to propose a degradation kinetic model for 30 wt % ethanolamine (MEA) as the capture solvent. The kinetic parameters of the model were regressed based on the pilot plant campaign at EnBW. The kinetic model was validated by comparing it with the measurements at the remaining pilot campaigns. The model predicted the trends of ammonia emissions and metal concentration within the same order of magnitude. This study provides a methodology to establish a quantitative approach for predicting the onset of unacceptable degradation levels which can be further used to devise counter-measure strategies such as reclaiming and metal removal.}},
  articleno    = {{629}},
  author       = {{Dhingra, Sanjana and Khakharia, Purvil and Rieder, Alexander and Cousins, Ashleigh and Reynolds, Alicia and Knudsen, Jacob and Andersen, Jimmy and Irons, Robin and Mertens, Jan and Abu Zahra, Mohammad and Van Os, Peter and Goetheer, Earl}},
  issn         = {{1996-1073}},
  journal      = {{ENERGIES}},
  keywords     = {{post combustion carbon capture,oxidative degradation,auto-catalytic,iron,kinetic model,pilot campaigns,FLUE-GAS,CARBON-CAPTURE,POWER-PLANT,MONOETHANOLAMINE DEGRADATION,OXIDATIVE-DEGRADATION,THERMAL-DEGRADATION,FLY-ASH,MEA,PERFORMANCE,EMISSIONS}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{15}},
  title        = {{Understanding and modelling the effect of dissolved metals on solvent degradation in post combustion CO2 capture based on pilot plant experience}},
  url          = {{http://doi.org/10.3390/en10050629}},
  volume       = {{10}},
  year         = {{2017}},
}

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