Reducing Concentrations of Benzo(a)pyrene in Gas Phase Soot Particles by Using and Burning Water Fuel Emulsions
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Department of Environmental Engineering, Kyrgyz-Turkish Manas University, Bishkek, Kyrgyz Republic
Moscow Institute of Physics and Technology, Dolgoprudny, Russia
Institute of Mining and Mining Technologies, Bishkek, Kyrgyz Republic
Submission date: 2019-07-23
Final revision date: 2019-09-10
Acceptance date: 2019-09-15
Online publication date: 2020-03-02
Publication date: 2020-04-21
Corresponding author
Kubat Kemelov   

Environmental Engineering, Kyrgyz-Turkish Manas University, 56 Chyngyz Aitmatov avenue, 720044, Bishkek, Kyrgyzstan
Pol. J. Environ. Stud. 2020;29(4):2669-2677
In this study, benzo(a)pyrene-water-oxygen systems were investigated in wide ranges of change of temperature value and initial components to predict in which conditions benzo(a)pyrene degraded into more harmful substances. Consequently, the thermodynamic parameters of the benzo(a) pyrene-water-oxygen system were calculated and the concentration distribution of carbon, hydrogen and oxygen-containing particles in the gas phase were established. Adding water into the system allowed decreasing of carbon and acetylene. These elements are the key elements of benzo(a)pyrene formation. According to this, the main parameter for reducing the concentration of benzo(a)pyrene in the gas phase was the water content in fuel oil within 10-15%.
Determination of the concentration of benzo(a)pyrene in samples of flue gases of DKVR-4/13 and PTVM- 30M boiler units of the Teplokommunoenergo heating organization of Bishkek city was carried out by chromatographic method. Concentrations of benzo(a)pyrene were found to compare the product of burning ordinary fuel oil and water fuel emulsion. Homogenization of the fuel-air mixture by adding water to the fuel oil allowed us to obtain an inverse emulsion and reduce the concentration of benzo(a)pyrene in flue gases up to 62%. According to this, a new process flowsheet of water fuel emulsions production was proposed for the heating organization.
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