№77-13
Assessment of atmospheric air pollution in Dnipro city as a result of dust entrainment from the ash-disposal areasof Prydniprovsk TPP
O. Berezniak1, O. Borysovska1
1 Dnipro University of Technology, Dnipro, Ukraine
Coll.res.pap.nat.min.univ. 2024, 77:136–146
Full text (PDF)
https://doi.org/10.33271/crpnmu/77.136
ABSTRACT
Purpose. The purpose of this work is to assess the pollution of atmospheric air in Dnipro city as a result of dust entrainment from the ash-disposal areas of Prydniprovsk TPP.
The methods. Assessment of atmospheric air pollution in the city of Dnipro as a result of dust entrainment from the ash-disposal areas of Prydniprovska TPP was carried out as follows: physical and chemical characteristics of the stored fly ash were determined; specific dust entrainment from the surface of dry beaches of ash-disposal areas under the most favorable conditions was determined; mathematical modeling of the spread of atmospheric air pollution of Dnipro city by suspended particles was carried out using UPCAP "ECO Center"program; a comparative assessment of dust entrainment reduction due to the gradual processing of the deposited fly ash was carried out.
Findings. Almost 100% of the total mass of ash consists of particles smaller than 80 μm, the content of particles smaller than 10 and 2.5 μm is 27.7 and 8.2%, respectively. The main chemical compounds contained in ash are silicon dioxide, aluminum oxide, iron (III) oxide and carbon. The gross entrainment of substances in the form of suspended fine-grained solid particles from the surface of the dry beaches of the Prydniprovska TPP ash-disposal facilities is 18,654 tons per year. The area of atmospheric air pollution of Dnipro city by suspended particles is about 850 km2 and covers Samarskyi, Sobornyi, partly Industrialnyi and Shevchenkivskyi Districts. As a result of the implementation of a waste-free technology for the processing of fly ash with the utilization of the iron-containing fraction, the area of pollution can be reduced by 13.5 times up to 63 km2, the contamination zone in this case will cover underpopulated part of Samarskyi District of the city of Dnipro.
Scientific novelty. A refined dependence of the particle size distribution of the mature Prydniprovsk TPP fly ash particles was determined for the further assessment of potential dust entrainment. For the first time, modeling of the distribution of fine-grained particles of fly ash of the Prydniprovsk TPP in the atmospheric air of the city of Dnipro was carried out, taking into account meteorological conditions, conditions of dust formation and particle size distribution.
Practical implementation. The results of the research can contribute to reducing the level of atmospheric air pollution in the city of Dnipro. This will improve the quality of life of the local population and protect the natural environment from negative impacts. Research results can also be a basis for the development and implementation of technological solutions for the waste-free processing of stored fly ash with marketable products obtaining.
Keywords: atmospheric air, fly ash, pollution, dust entrainment, fly ash processing, impact, fuel, ash-disposal area.
References
1. Berezniak, O., & Kharytonov, M. (2018). Cost-effective technology for heat power stations ashes processing and utilization. Applied Biotechnology in mining: Proceedings of the international conference (Dnipro, April 25-27, 2018), 85. http://ir.nmu.org.ua/handle/123456789/152974
2. Kharytonov, M.M., Rula, I.V., Martynova, N.V., Zolotovska, O.V., & Berezniak, O.O. (2024). Osoblyvosti protsesiv termolizu vuhilʹnoyi zoly vynosu ta osadu stichnykh vod okremo ta v sumishi z biomasoyu enerhokulʹtur [Features of thermolysis processes of coal fly ash and sewage sludge separately and in a mixture with energy crops biomass]. Ekolohichninauky, 3(54), 113-120. https://doi.org/10.32846/2306-9716/2024.eco.3-54.17
3. Holovne upravlinnya statystyky u Dnipropetrovsʹkiy oblasti. Enerhetyka. (n.d.). http://www.dneprstat.gov.ua/statinfo/energ/
4. Domnichev, M.V. (2021). Skorochennya vynosu pylu z poverkhonʹ khvostoskhovyshch yak element pidhotovky do rekulʹtyvatsiyi [Reducing the dust entrainment from the surfaces of tailing dumps as an element of preparation for reclamation]. Visti Donetsʹkoho hirnychoho instytutu, 1, 91–101.
5. Domnichev, M.V. (2020). Obgruntuvannya vykorystannya rozchynu pryrodnoho bishofitu dlya obrobky pylyachykh poverkhonʹ [Justification of the use of a solution of natural bischofite for the treatment of dust-forming surfaces]. Kryvyi Rih, Sinelnikov D.A.
6. Berezniak, О.О. (2024) Otsinka pytomoho pylovynosu iz zoloskhovyshcha Prydniprovsʹkoyi TES [Assessment of specific dust entrainment from the ash-disposal area of Prydniprovsk TPP]. "Scientific Spring" 2024: materials of the XIV International Scientific and Technical Conference of Postgraduate Students and Young Scientists, Dnipro University of Technology, 85–86. https://ir.nmu.org.ua/bitstream/handle/123456789/167034/Scientific_Spring_2024-85-86.pdf?sequence=1
7. Zbirnyk metodyk z rozrakhunku vmistu zabrudnyuyuchykh rechovyn u vykydakh vid neorhanizovanykh dzherel zabrudnennya atmosfery [Collection of methods for calculating the content of pollutants in emissions from unorganized sources of atmospheric pollution]. (2004). Donetsk, Ukrainian Scientific Center of Technical Ecology.
8. Ekolohichnyy pasport mista Dnipro. [Environmental passport of Dnipro city] (n.d.). http://surl.li/dwpyk.
9. Meteorolohichni pokaznyky mista Dnipro za 2023 rik. [Meteorological indicators of Dnipro city for 2023] (n.d.). https://www.meteoblue.com
10. Reghionaljna dopovidj pro stan navkolyshnjogho pryrodnogho seredovyshcha v Dnipropetrovsjkij oblasti za 2022 rik [Regional report on the state of the environment in Dnipropetrovsk Oblast for 2022] (n.d.). https://mepr.gov.ua/diyalnist/napryamky/ekologichnyj-monitoryng/regionalni-dopovidi-pro-stan-navkolyshnogo-seredovyshha-v-ukrayini/
11. Nakaz MOZ Ukrayiny №173 vid 19.06.96 "Pro zatverdzhennya Derzhavnykh sanitarnykh pravyl planuvannya ta zabudovy naselenykh punktiv"[Order of the Ministry of Health of Ukraine No. 173 dated 19.06.96 "On the approval of the State Sanitary Rules for the Planning and Development of Settlements"] (n.d.). https://zakon.rada.gov.ua/laws/show/z0379-96#Text
12. Hlukhoveria M., Mladetskyi I., Levchenko K. & Borysovska O. (2023) Improving the technology of extracting coal concentrate from fly ash from thermal power plants. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 4, 33–39. https://doi.org/10.33271/nvngu/2023-4/033
13. Berezniak, O.O., Dreshpak, O.S., & Hlukhoveria, M.R. (2019). Doslidzhennya zbahachennya zoly vynosu TES na pnevmatychniy flotomashyni typu «Jameson Cell» [Study of thermal power plant fly ash processing via pneumatic flotation machine of the "Jameson Cell" type]. Zbahachennya korysnykh kopalyn: naukovo-tekhnichnyy zbirnyk, 74(115), 62–69.
14. Yehorov, P.O., & Berezniak, O.O. (2004). Tekhnolohiya pererobky zol teplovykh elektrostantsiy [Technology for thermal power plant ash processing]. Zbahachennya korysnykh kopalyn: naukovo-tekhnichnyy zbirnyk, 19(60), 51–57.
15. Berezniak, О.О. (2024) Otsinka reolohichnykh vlastyvostey vazhkykh suspenziy na osnovi zalizovmisnoyi fraktsiyi zoly vynosu TES [Assessment of the rheological properties of dense medium suspensions with the iron-containing fraction of TPP fly ash]. "Scientific Spring" 2024: materials of the XIV International Scientific and Technical Conference of Postgraduate Students and Young Scientists, Dnipro University of Technology, Dnipro University of Technology, 87–88. https://ir.nmu.org.ua/handle/123456789/167036
