Co Sensor with High Concentrations of H2O at Elevated Temperature by TDLAS

Jie Shao; Ying Han; Zhen Zhou; Rui Feng Kan

doi:10.4028/www.scientific.net/AMR.807-809.66

Paper Titles

Temporal Trends and Spatial Variations of Polycyclic Aromatic Hydrocarbons in Atmospheric PM₁₀ of Jinan, China
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The Study of Soil Arsenic Pollution in the Slag Field of Plateau Lake Yangzonghai Lake Area
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Community Structure and Environmental Adaptation of Phytoplankton in Yangmeikeng Artificial Reef Area in Daya Bay, South China Sea
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Seasonal Dynamics of Algal Biodiversity and Water Quality Assessment of Jiangsu Shilianghe Reservoir in China
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Co Sensor with High Concentrations of H₂O at Elevated Temperature by TDLAS
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Variation Characteristics of PM₁₀ Mass Concentrations and Correlations with Meteorological Factors in Xingtai City
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Estimate of Mercury Emissions from Coal-Fired Power Station in China during the "Twelfth Five-Year"
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Discussion on the Mining Pollution and Geologic Background in Yinyang Sea at the Northeast Corner of Taiwan
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Discussion on Fugitive Emission Monitoring of Air Pollutants
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 807-809Co Sensor with High Concentrations of H2O at...

Co Sensor with High Concentrations of H₂O at Elevated Temperature by TDLAS

Abstract:

A method of tunable diode laser absorption spectroscopy (TDLAS) is presented to improve the detectability of CO under high temperatures with a mass of interference referred as Dynamic subtract from background technique. By simultaneously fitting both the water background and the 2f-wm-CO curve to the measured (combined) spectrum, the limitation of CO detection is improved at high temperatures using the telecommunication distributed feedback (DFB) lasers. The R14 in the υ=0υ=3 overtone band (1653.6 nm) has been investigated with the dependence of temperatures and water concentrations. Hundreds ppmm of limitation of CO detection can be achieved in media with tens of percent water at 850 °C with an accuracy of a few percent.

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Periodical:

Advanced Materials Research (Volumes 807-809)

Pages:

66-72

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.807-809.66

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Online since:

September 2013

Authors:

Jie Shao, Ying Han, Zhen Zhou, Rui Feng Kan

Keywords:

Carbon Monoxide, Combustion Process, High-Temperature, TDLAS

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