Separation of CO2 from Power Plant Flue Gas Using a Novel CO2 "Molecular Basket" Adsorbent

Xiaochun Xu, Chunshan Song, Ronald Wincek, John M. Andresen, Bruce G. Miller, Alan W. Scaroni

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

A considerable increase in the global atmospheric CO2 concentration has raised concern about climate change and has led to a worldwide effort in R&D on control of CO2 emissions. The separation of CO2 from flue gas of a gas-/coal-fired power plant was studied. The composition of the gas-fired flue gas was 7.4-7.7% CO2, 14.6% H2O, ∼ 4.45% O2, 50 ppm CO, 420 ppm NOx, 420 ppm SO2, and 76-77% N2. CO2 could be selectively separated from the flue gases of power plant by using the novel "molecular basket" adsorbent MCM-41-PEI-50. The adsorbent hardly adsorbed any N2, O2, and CO. The selectivity of CO2/NOx was 2.5 for gas-fired flue gas and the selectivity of CO2/SO2 and CO2/NOx were 10.7 and 2.86 for coal-fired flue gas, respectively. Very little NOx and SO2 desorbed after adsorption indicating the need for pre-removal of NOx and SO2 from the flue gas before capture of CO2 by the PEI based "molecular basket" adsorbent.

Original languageEnglish (US)
Pages (from-to)162-163
Number of pages2
JournalAm Chem Soc Div Fuel Chem Prepr
Volume48
Issue number1
StatePublished - Mar 2003

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Flue gases
Adsorbents
Power plants
Polyetherimides
Coal gas
Multicarrier modulation
Gases
Climate change
Coal
Adsorption
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Xu, Xiaochun ; Song, Chunshan ; Wincek, Ronald ; Andresen, John M. ; Miller, Bruce G. ; Scaroni, Alan W. / Separation of CO2 from Power Plant Flue Gas Using a Novel CO2 "Molecular Basket" Adsorbent. In: Am Chem Soc Div Fuel Chem Prepr. 2003 ; Vol. 48, No. 1. pp. 162-163.
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Separation of CO2 from Power Plant Flue Gas Using a Novel CO2 "Molecular Basket" Adsorbent. / Xu, Xiaochun; Song, Chunshan; Wincek, Ronald; Andresen, John M.; Miller, Bruce G.; Scaroni, Alan W.

In: Am Chem Soc Div Fuel Chem Prepr, Vol. 48, No. 1, 03.2003, p. 162-163.

Research output: Contribution to journalArticle

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