The growth response of Alternanthera philoxeroides in a simulated post-combustion emission with ultrahigh [CO2] and acidic pollutants

Cheng Yuan Xu; K L Griffin; J C Blazier; E C Craig; D S Gilbert; S Sritrairat; O R Anderson; M J Castaldi; L Beaumont

doi:10.1016/j.envpol.2009.02.013

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The growth response of Alternanthera philoxeroides in a simulated post-combustion emission with ultrahigh [CO2] and acidic pollutants

Journal article

Peer reviewed

The growth response of Alternanthera philoxeroides in a simulated post-combustion emission with ultrahigh [CO2] and acidic pollutants

Cheng Yuan Xu, K L Griffin, J C Blazier, E C Craig, D S Gilbert, S Sritrairat, O R Anderson, M J Castaldi and L Beaumont

Environmental Pollution, Vol.157(7), pp.2118-2125

2009

DOI: https://doi.org/10.1016/j.envpol.2009.02.013

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Abstract

greenhouse

elevated CO2

SO2

NO2

flue gas

alternanthera philoxeroides

Although post-combustion emissions from power plants are a major source of air pollution, they contain excess CO2 that could be used to fertilize commercial greenhouses and stimulate plant growth. We addressed the combined effects of ultrahigh [CO2] and acidic pollutants in flue gas on the growth of Alternanthera philoxeroides. When acidic pollutants were excluded, the biomass yield of A. philoxeroides saturated near 2000 μmol mol-1 [CO2] with doubled biomass accumulation relative to the ambient control. The growth enhancement was maintained at 5000 μmol mol-1 [CO2], but declined when [CO2] rose above 1%, in association with a strong photosynthetic inhibition. Although acidic components (SO2 and NO2) significantly offset the CO2 enhancement, the aboveground yield increased considerably when the concentration of pollutants was moderate (200 times dilution). Our results indicate that using excess CO2 from the power plant emissions to optimize growth in commercial green house could be viable.

Details

Title: The growth response of Alternanthera philoxeroides in a simulated post-combustion emission with ultrahigh [CO2] and acidic pollutants
Authors: Cheng Yuan Xu (Author) - Columbia University, United States
K L Griffin (Author) - Columbia University, United States
J C Blazier (Author) - Columbia University, United States
E C Craig (Author) - Columbia University, United States
D S Gilbert (Author) - Columbia University, United States
S Sritrairat (Author) - Columbia University, United States
O R Anderson (Author) - Columbia University, United States
M J Castaldi (Author) - Columbia University, United States
L Beaumont (Author) - Energy Answers Cooperaton, United States
Publication details: Environmental Pollution, Vol.157(7), pp.2118-2125
Publisher: Pergamon
Date published: 2009
DOI: 10.1016/j.envpol.2009.02.013
ISSN: 0269-7491
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450174602621
Output Type: Journal article

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