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  • Ukrainian School of Mining Engineering
  • Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018)
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  • Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018)
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Ash as an alternative source of raw materials

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usme2018_00026.pdf (1.564Mb)
Дата
2018
Автор
Svietkina, Olena
Tarasova, Hanna
Netiaha, Olha
Lysytska, Svitlana
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Короткий опис(реферат)
The objective of the work is to study the aluminosilicate fractionation from fly ash, physical and mechanical properties of fly ash derived from the Thermal Power Plants (TPP) wastes. Ash, carbon concentrate (unburned carbon), ash concentrate and products of their treatment with reagents were tested by optical methods. The particle morphology of the objects of research was studied with the scanning electron microscope REM-100. The composition of the ash phases was investigated using the X-ray diffractometer DRON-2. A dispersed analysis of the TPP fly ash suggests a conclusion that it is advisable to separate particles of a narrow grain-size class within the range from 40 to 150 μm with an ash content of about 33%. The first product may be enriched by flotation method. Such a coal product may be used as a reducing medium in metallurgical processes, agglomeration, etc. The calorific capacitance of the concentrate is about 6000 kcal/kg (25000 kJ/kg).
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http://ir.nmu.org.ua/handle/123456789/153437
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  • Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018) [41]

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