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Proceedings Paper

Optical Instrumentation For On-Line Analysis Of Chemical Processes
Author(s): A. Hartford; D. A. Cremers; T. R. Loree; G . P. Quigley; L. J. Radziemski; D. J. Taylor
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Paper Abstract

Optical diagnostics provide the capability for nonintrusive, on-line, real-time analysis of chemical process streams. Several laser-based methods for monitoring fossil energy processes have been evaluated. Among the instrumentation techniques which appear quite promising are coherent anti-Stokes Raman spectroscopy (CARS), laser-induced breakdown spectroscopy (LIBS), and synchronous detection of laser-induced fluorescence (SDLIF). A CARS diagnostic was implemented on a coal gasifier and was successfully employed to measure species concentrations and temperatures within the process stream. The LIBS approach has been used to identify total trace impurities (e.g., Na, K, and S) within a gasifier. Recently, individual components in mixtures of aromatics hydrocarbons have been resolved via the synchronous detection of laser-induced fluorescence.

Paper Details

Date Published: 4 November 1983
PDF: 5 pages
Proc. SPIE 0411, Electro-Optical Instrumentation for Industrial Applications, (4 November 1983); doi: 10.1117/12.935786
Show Author Affiliations
A. Hartford, University of California (United States)
D. A. Cremers, University of California (United States)
T. R. Loree, University of California (United States)
G . P. Quigley, University of California (United States)
L. J. Radziemski, University of California (United States)
D. J. Taylor, University of California (United States)


Published in SPIE Proceedings Vol. 0411:
Electro-Optical Instrumentation for Industrial Applications
Robert A. Carella; Frederic M. Zweibaum, Editor(s)

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