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Osborn JF, Santhanam S, Davidson CI, et al. Characterization of airborne trace metal and trace organic species from coal gasification. Environ Monit Assess. 1984;4(4):317-33doi: 10.1007/BF00394171.
Osborn, J. F., Santhanam, S., Davidson, C. I., Flotard, R. D., & Stetter, J. R. (1984). Characterization of airborne trace metal and trace organic species from coal gasification. Environmental monitoring and assessment, 4(4), 317-33. https://doi.org/10.1007/BF00394171
Osborn, J F, et al. "Characterization of airborne trace metal and trace organic species from coal gasification." Environmental monitoring and assessment vol. 4,4 (1984): 317-33. doi: https://doi.org/10.1007/BF00394171
Osborn JF, Santhanam S, Davidson CI, Flotard RD, Stetter JR. Characterization of airborne trace metal and trace organic species from coal gasification. Environ Monit Assess. 1984 Dec;4(4):317-33. doi: 10.1007/BF00394171. PMID: 24257860.
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Environ Monit Assess. 1984 Dec;4(4):317-33. doi: 10.1007/BF00394171.

Characterization of airborne trace metal and trace organic species from coal gasification.

Environmental monitoring and assessment

J F Osborn, S Santhanam, C I Davidson, R D Flotard, J R Stetter

Affiliations

  1. Department of Civil Engineering, Carnegie-Mellon University, 15213, Pittsburgh, PA, USA.

PMID: 24257860 DOI: 10.1007/BF00394171

Abstract

Fugitive emissions from a slagging fixed-bed coal-gasification pilot plant were analyzed by flameless atomic absorption spectrophotometry, gas chromatography, and mass spectrometry for trace metal and trace organic species. Analysis of the size distributions of airborne particulate matter inside the plant showed an abundance of large metal-containing particles; outdoor distributions in the vicinity of the plant resembled the indoor distributions, suggesting the importance of the gasifier in influencing ambient air quality. This conclusion was further supported by identification of similar organic compounds inside and outside the plant. Trace element enrichment factors based on the earth's crustal composition were greater than those based on the composition of the lignite used in the gasifier, showing the importance of characterizing the proper source material when inverstigating chemical fraction during aerosol formation. Enrichments in the present study were much greater than those found in previous sampling during aborted start-up and cleaning procedures, where normal operating temperatures had not yet been reached. Both studies showed evidence of enrichment factors which decreased with increasing particle size. Although much of the airborne mass was associated with large particles having low respirability, the high concentrations of some metals indoors suggests that further assessment of potential occupational exposures is warranted.

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