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Proceedings Paper

Development of continuous optical sensors for stack emissions
Author(s): Fabian Videla; Daniel C. Schinca; Edmundo J. Rodriguez; Roberto E. Di Paolo; Jorge O. Tocho
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Paper Abstract

This work continues with the development of a non-dispersive UV optical sensor for stack emissions for SO2 and NO2. These gases are among the most important ones in the emissions of the petrochemical industry. The NDUV consists of three optical channels sensing different spectral regions: 300 nm for SO2, 380 nm for NO2 and 320 nm used as a common reference. Each channel has an interference filter centered at each channel's wavelength, and a photodiode with control electronics. Calibration curves and the effect of cross interference on concentration measurements of these gases are shown.

Paper Details

Date Published: 14 August 2001
PDF: 4 pages
Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); doi: 10.1117/12.437145
Show Author Affiliations
Fabian Videla, Univ. Nacional de La Plata and Ctr. de Investigaciones Opticas (Argentina)
Daniel C. Schinca, Univ. Nacional de La Plata and Ctr. de Investigaciones Opticas (Argentina)
Edmundo J. Rodriguez, Ctr. de Investigaciones Opticas (Argentina)
Roberto E. Di Paolo, Univ. Nacional de La Plata and Ctr. de Investigaciones Opticas (Argentina)
Jorge O. Tocho, Univ. Nacional de La Plata and Ctr. de Investigaciones Opticas (Argentina)


Published in SPIE Proceedings Vol. 4419:
4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications

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