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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 13 — May. 1, 2007
  • pp: 2503–2506

Broadband spectroscopic sensor for real-time monitoring of industrial SO2 emissions

Feng Xu, Yungang Zhang, Gabriel Somesfalean, Huashan Wang, Shaohua Wu, and Zhiguo Zhang  »View Author Affiliations


Applied Optics, Vol. 46, Issue 13, pp. 2503-2506 (2007)
http://dx.doi.org/10.1364/AO.46.002503


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Abstract

A spectroscopic system for continuous real-time monitoring of SO 2 concentrations in industrial emissions was developed. The sensor is well suited for field applications due to simple and compact instrumental design, and robust data evaluation based on ultraviolet broadband absorption without the use of any calibration cell. The sensor has a detection limit of 1 ppm, and was employed both for gas-flow simulations with and without suspended particles, and for in situ measurement of SO 2 concentrations in the flue gas emitted from an industrial coal-fired boiler. The price∕performance ratio of the instrument is expected to be superior to other comparable real-time monitoring systems.

© 2007 Optical Society of America

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(300.1030) Spectroscopy : Absorption
(300.6450) Spectroscopy : Spectroscopy, Raman

ToC Category:
Spectroscopy

History
Original Manuscript: July 12, 2006
Revised Manuscript: December 12, 2006
Manuscript Accepted: December 19, 2006
Published: April 9, 2007

Citation
Feng Xu, Yungang Zhang, Gabriel Somesfalean, Huashan Wang, Shaohua Wu, and Zhiguo Zhang, "Broadband spectroscopic sensor for real-time monitoring of industrial SO2 emissions," Appl. Opt. 46, 2503-2506 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-13-2503


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