Real-time mapping of an industrial flare using lidar

Renata F. da Costa; Juliana Steffens; E. Landulfo; Roberto Guardani; W. M Nakaema; Paulo F. Moreira Jr.; Fabio J. S. da Silva Lopes; Patricia Ferrini

doi:10.1117/12.897907

30 September 2011 Real-time mapping of an industrial flare using lidar

Renata F. da Costa, Juliana Steffens, E. Landulfo, Roberto Guardani, W. M Nakaema, Paulo F. Moreira Jr., Fabio J. S. da Silva Lopes, Patricia Ferrini

Author Affiliations +

Proceedings Volume 8182, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing VII; 81820Y (2011) https://doi.org/10.1117/12.897907
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

Abstract

Characterization of atmospheric emissions from industrial flare stacks represents a challenge in measurement techniques because it is extremely difficult to determine the real-time concentrations of combustion products by in situ sampling, due to stack height, sensor calibration difficulties, and the dynamics of oscillations in the emission patterns. A ground based laser remote sensing (LIDAR) system has been developed for continuous and real-time monitoring of atmospheric emissions from an oil refinery located approximately 400 m from the instrument. The system is able to perform 3D scanning and profiling around the emission point. Tests were carried out using a scanning system pointed to the refinery flare. The mapping was obtained from a sequence of measurements at different zenithal and azimuthal angles resulting in a 3D image of the flare shape plus the flame itself. The measurements can be used to estimate the aerosol size distribution based on the ratios of the backscattering signal at three distinct wavelengths: 1064/532 nm, 1064/355 nm, and 532/355 nm. The method can be used in real time monitoring of industrial aerosol emissions and in the control of industrial processes. Preliminary results indicate a calibration procedure to assess the refining process efficiency based on the particle size distribution within and around the flare.

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Renata F. da Costa, Juliana Steffens, E. Landulfo, Roberto Guardani, W. M Nakaema, Paulo F. Moreira Jr., Fabio J. S. da Silva Lopes, and Patricia Ferrini "Real-time mapping of an industrial flare using lidar", Proc. SPIE 8182, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing VII, 81820Y (30 September 2011); https://doi.org/10.1117/12.897907

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