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Chemistry for Sustainable Development

2016 year, number 3

Studies of the Distribution of Macro and Micro Components in Ash and Slag Wastes from the Combustion of Coal from the Kuznetsk Basin

1West Siberian Test Centre OJSC, Ul. Ordzhonikidze 9, Novokuznetsk 654006
2Institute of Coal Chemistry and Material Science, Federal Research Centre of Coal and Coal Chemistry, Siberian Branch of the Russian Academy of Sciences, Sovetskiy Pr.18, Kemerovo 650000
3Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090
4Novokuznetsk Institute, Ul. Tsiolkovskogo 23, Novokuznetsk 654041
Keywords: золошлаковые отходы, токсичные элементы, валовые формы элементов, подвижные формы элементов, оксиды золообразующих элементов, ash and slag wastes, toxic elements, gross forms of elements, mobile forms of elements, oxides of ash-forming elements


The distribution of toxic elements and toxic compounds in ash and slag wastes from the combustion of coal of the Kuznetsk Coal Basin was studied. Correlations between the concentrations of heavy metals in the gross and mobile forms were studied, as well as the interconnections between the concentrations of separate elements in ash and slag wastes. Correlation analysis of the data revealed a strong correlation of overall content with mobile forms for nickel, lead, manganese and cobalt (correlation coefficient is equal to 0.99, 0.96, 0.92 и 0.96, respectively), while for copper and zinc the correlation is weak. A strong interconnection of the total content of copper and chromium in ash and slag wastes was revealed (r = 0.84). For the mobile forms of elements, a connection between cobalt and nickel content (r = 0.85), fluorine and zinc (r = 0.59) was revealed.