ISSN 1995-4301
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ISSN 2618-8406
(Online)

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Influence of industrial emissions from heat power engineering enterprises on the absorption of solar radiation in the atmosphere

V.A. Kuzmin, I.A. Zagrai, N.A. Shmakova
Section: Ecology and climate change
The paper evaluates the effect of emissions from heat power engineering enterprises on the absorption of radiation in the atmosphere through the calculation of absorption coefficients and absorption functions of combustion products during flaring of solid fuels (coal and peat) in the furnace of BKZ-210-140F steam boiler. The chemical composition of the gas phase and condensed phase particles were used to calculate the absorption coefficients at a temperature of 300 K and the spectral range of 0.4–14 μm, as well as the absorption functions at layer thicknesses of 5 and 10 m. The presence of ash particles makes a significant contribution to the absorption of solar radiation by combustion products in the transparency windows of the gas phase.In the absence of a flue gas purification system for the optical range (0.4–0.78 μm), absorption can be up to 20% during flaring of coal and up to 46% during flaring of peat. For the atmospheric transparency window of 7.5–14 μm, the absorption function of combustion products takes values from 73 to 100% during flaring of coal and from 64 to 100% during flaring of peat. The largest optical thickness in terms of the absorption coefficients of gas phase is accounted for the components H2O and CO2, which make the main contribution to the creation of the greenhouse effect.
Keywords: atmosphere, greenhouse effect, flaring of coal and peat, combustion products, gas phase, ash particles, absorption coefficient, absorption function
Article published in number 1 for 2023
DOI: 10.25750/1995-4301-2023-1-170-178
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