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Infrared Gas Analyzers for Monitoring Emissions of Flammable and Explosive Natural Gas into the Atmosphere

  • CHEMICAL THERMODYNAMICS AND THERMOCHEMISTRY
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Russian Journal of Physical Chemistry A Aims and scope Submit manuscript

Abstract

Optical infrared gas analyzers are developed for mixtures of vapors of liquefied natural gas and air. It is found that a network of them allows temperatures of −100 to +60°C to be measured along with volume concentrations of hydrocarbons С = 0.5–100 vol % with temporal responses of less than 1–2 s when analyzing methane–air emissions and clouds in the atmosphere with volumes of up to 107 m3 and data transmitted to a remote server at rates of up to 10 km every 1 ms. It is shown that with large-scale pulsed emissions of liquefied natural gas into the atmosphere or spills of it onto dry ground or water, conditions are created for the long-term formation of flammable and explosive mixtures of air and hydrocarbons at concentrations C = 5–15 vol %.

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Funding

This work was performed under the topic “Developing the Physical and Technical Foundations of Ways of Measuring the Parameters of Aerosol and Vapor–Gas Clouds That Occur during Large-Scale Accidents at Fuel and Energy Facilities and Creating Experimental Samples of Aerosol Cloud Diagnostics Systems in Accordance with Order 2100 of September 16, 2019.”

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Authors and Affiliations

  1. National Research Center Kurchatov Institute, 123182, Moscow, Russia

    A. V. Zagnit’ko, N. P. Zaretskii & I. D. Matsukov

Authors
  1. A. V. Zagnit’ko
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  2. N. P. Zaretskii
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  3. I. D. Matsukov
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Correspondence to A. V. Zagnit’ko.

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Translated by V. Selikhanovich

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Zagnit’ko, A.V., Zaretskii, N.P. & Matsukov, I.D. Infrared Gas Analyzers for Monitoring Emissions of Flammable and Explosive Natural Gas into the Atmosphere. Russ. J. Phys. Chem. 94, 1771–1775 (2020). https://doi.org/10.1134/S0036024420090332

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  • DOI: https://doi.org/10.1134/S0036024420090332

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