Kozii Ye.S. Toxic elements in the с1 coal seam of the Blahodatna mine of Pavlohrad-Petropavlivka geological and industrial area of Donbas

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Parent Category: Geo-Technical Mechanics, 2021

Category: Geo-Technical Mechanics, 2021, Issue 158

Geoteh. meh. 2021, 158, 103-116

https://doi.org/10.15407/geotm2021.158.103

 

TOXIC ELEMENTS IN THE С₁ COAL SEAM OF THE BLAHODATNA MINE OF PAVLOHRAD-PETROPAVLIVKA GEOLOGICAL AND INDUSTRIAL AREA OF DONBAS

¹Kozii Ye.S.

¹National Technical University “Dnipro Polytechnic”

UDC 553.94:550.428                                             

Language: English

Abstract. The features of the distribution of toxic elements in the c₁ coal seam of «Blahodatna» mine field are considered. The research aims to establish regularities in the distribution of toxic elements in the coal seam c₁ of Blahodatna mine of Pavlohrad-Petropavlivka geological and industrial area of Donbas.
Samples were taken from mine opening (reservoir samples, selected by the trench method and from duplicates of drill core personally). Content of toxic elements was determined by quantitative emissive spectrum analysis.
The values of the main descriptive statistical indicators  were calculated.
With the aim of identify the composition of the geochemical associations, correlation coefficients (r) were calculated between the content of the toxic elements. In a single geochemical association united elements in which the relationship between the content is described by the correlation coefficient that exceeds 0,5, with a significance level of at least 95%.
As a result of the performed studies, maps of the isoconcentrate of toxic elements and maps of the regional constituent of their contents by the area of the mine field were constructed. Linear regression equations are calculated between the concentrations of toxic elements and the main technological parameters of coal.
Analyzing the result of statistical processing of geochemical information and geological and structural characteristics of the coal seam c₁ of «Blahodatna» mine field allowed us to establish, that the formation of the association of cobalt, nickel, vanadium, lead, chrome and manganese is associated with the enrichment of contact zones of the coal seam by these elements and is genetically is due to influence of adsorption and reductive-oxidative barriers on the migration of matter during the diagenesis and catagenesis of coal-bearing series.
The main scientific importance of the results of the performed studies is the establishment of genetic causes that have a significant effect on the distribution of toxic elements in coal seam of c₁.
Keywords: toxic and potentially toxic elements, thickness of a coal seam, ash content, content of total sulfur, map of isoconcentrate, map of the regional constituent of content, linear regression equation.

 
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About the author:

Kozii Yevhen Serhiiovych, Candidate of Geological Sciences (Ph.D.), Deputy Director of Educational and Scientific Center for Training of Foreign Citizens, National Technical University “Dnipro Polytechnic” (NTU "DP"), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

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