CO2 capture from power plants: Part II. A parametric study of the economical performance based on mono-ethanolamine

Mohammad R.M. Abu-Zahra, John Niederer, Paul H.M. Feron, Geert Versteeg

Research output: Contribution to journalArticleAcademicpeer-review

336 Citations (Scopus)

Abstract

While the demand for reduction in CO2 emission is increasing, the cost of the CO2 capture processes remains a limiting factor for large-scale application. Reducing the cost of the capture system by improving the process and the solvent used must have a priority in order to apply this technology in the future. In this paper, a definition of the economic baseline for post-combustion CO2 capture from 600 MWe bituminous coal-fired power plant is described. The baseline capture process is based on 30% (by weight) aqueous solution of monoethanolamine (MEA). A process model has been developed previously using the Aspen Plus simulation programme where the baseline CO2-removal has been chosen to be 90%. The results from the process modelling have provided the required input data to the economic modelling. Depending on the baseline technical and economical results, an economical parameter study for a CO2 capture process based on absorption/desorption with MEA solutions was performed. Major capture cost reductions can be realized by optimizing the lean solvent loading, the amine solvent concentration, as well as the stripper operating pressure. A minimum CO2 avoided cost of € 33 tonne−1 CO2 was found for a lean solvent loading of 0.3 mol CO2/mol MEA, using a 40 wt.% MEA solution and a stripper operating pressure of 210 kPa. At these conditions 3.0 GJ/tonne CO2 of thermal energy was used for the solvent regeneration. This translates to a € 22 MWh−1 increase in the cost of electricity, compared to € 31.4 MWh−1 for the power plant without capture.
Original languageEnglish
Pages (from-to)135-142
JournalInternational journal of greenhouse gas control
Volume1
Issue number2
DOIs
Publication statusPublished - 2007

Fingerprint

Ethanolamines
power plant
Power plants
cost
Costs
Economics
bituminous coal
Bituminous coal
coal-fired power plant
Cost reduction
Thermal energy
economics
limiting factor
modeling
Amines
Desorption
desorption
electricity
Electricity
aqueous solution

Keywords

  • MEA
  • IR-78850
  • Economics
  • CO2 capture
  • ASPEN Plus
  • Absorption process

Cite this

Abu-Zahra, Mohammad R.M. ; Niederer, John ; Feron, Paul H.M. ; Versteeg, Geert. / CO2 capture from power plants: Part II. A parametric study of the economical performance based on mono-ethanolamine. In: International journal of greenhouse gas control. 2007 ; Vol. 1, No. 2. pp. 135-142.
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CO2 capture from power plants: Part II. A parametric study of the economical performance based on mono-ethanolamine. / Abu-Zahra, Mohammad R.M.; Niederer, John; Feron, Paul H.M.; Versteeg, Geert.

In: International journal of greenhouse gas control, Vol. 1, No. 2, 2007, p. 135-142.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Abu-Zahra, Mohammad R.M.

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