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Vol 220
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Complex utilization of treatment wastes from thermal power plants

A. N. Shabarov1
N. V. Nikolaeva2
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  • 1 — Saint-Petersburg Mining University
  • 2 — Saint-Petersburg Mining University
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The paper investigates present-day challenges related to accumulation, processing and disposal of the coal combustion wastes. The analysis of technogenic materials beneficiation practices using gravitation, magnetic and flotation beneficiation methods has been carried out. Quantitative and qualitative microscopic analysis of materials has been conducted. The study target were ash and slag wastes (ASW) from thermal power plant and coal combustion ash. Most metals are contained in coals and coal ashes in fine-dispersed (1-10 μm) mineral form. Various native metals and intermetallic compounds, sulfides, carbonates, sulfates, tungstates, silicates, rare earths phosphates and niobates have been discovered. Each metal may occur in several mineral phases, for instance tungsten may be in the form of wolframite, stolzite, ferberite, scheelite and represented by impurities. Not only composition of compounds is diversified, but also morphology of grains: well-defined and skeleton crystals, aggregates and polycrystalline structures, crystal twins and fragments; druses, globules and microspherules; porous shapes, flocculous and splintery clusters, lumpy aggregations, etc. Based on chemical silicate analysis of main ASW components the petrochemical properties of material have been assessed. Preliminary analyses have shown that concentration of ferrum-bearing components in ASW is around 5-11 %. The magnetic method of technogenic waste beneficiation with the help of high-gradient magnetic separation has been studied. The obtained evidences show that fine ASW are most efficiently separated in separators with high-gradient magnetic system. The studies provided justification of a process flow for complex treatment of technogenic carbon-containing material, including flotation, gravitation separation, magnetic heteroflocculation enrichment and high-gradient magnetic separation. The determined complex utilization ratio has proven the efficiency of complex processing.

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  1. Александрова Т.Н. Технологические аспекты извлечения благородных и редких металлов из углеродсодержащих пород / Т.Н.Александрова, Е.Г.Панова // Записки Горного института. 2016. Т.217. С.72-79.
  2. Александрова Т.Н. Извлечение магнитной фракции отходов сжигания углей с использованием высокоградиентной магнитной сепарации / Т.Н.Александрова, К.В.Прохоров, В.В.Львов // Горный журнал. 2015. № 12. С.4-8.
  3. Зырянов В.В. Зола уноса – техногенное сырье / В.В.Зырянов, Д.В.Зырянов. М.: Маска, 2009. 320 с.
  4. Крапивенцева В.В. Металлоносность углей Приамурья // Тихоокеанская геология. 2005. Т.24. № 1. С.73-84.
  5. Патент № 2486012 РФ. Способ извлечения железосодержащих компонентов из техногенного материала тонкого класса / Т.Н.Александрова, К.В.Прохоров, Р.В.Богомяков. Опубл. 27.06.2013. Бюл. № 18.
  6. Рассказова А.В. Рациональное использование бурых углей юга Дальнего Востока / А.В.Рассказова, Т.Н.Александрова, Н.А.Лаврик // Горный журнал. 2013. № 10. С.42-44.
  7. Рубинштейн Ю.Б. Результаты исследований флотационного разделения золы уноса электростанций / Ю.Б.Рубинштейн, Е.К.Самойлова // Горный информационно-аналитический бюллетень. 2008. № 8. С.388-396.
  8. Скрипченко Е.В. Разработка технологии получения топливных брикетов из маловостребованного углеродсодержа-щего сырья / Е.В.Скрипченко, В.Ю.Калашникова, В.Б.Кусков // Записки Горного института. 2012. Т.196. С.147-149.
  9. Черепанов А.А. Благородные металлы в золошлаковых отходах дальневосточных ТЭЦ // Тихоокеанская геология. 2008. Т.27. № 2. С.16-28.
  10. Fan Yun. Effective utilization of waste ash from MSW and coal co-combustion power plant – Zeolite synthesis / Yun Fan, Fu-Shen Zhang, Jianxin Zhu, Zhengang Liu // Journal of Hazardous Materials. 2008. N 153. P.382-388.
  11. Chen L. High-gradient magnetic separation of ultrafine particles with rod matrix // Mineral Processing & Extractive Metal. 2013. Iss.34. P.340-347.
  12. Rasskazov I.Yu. Technogenic deposits in the dumps of mining and processing enterprises of the Far Eastern region // I.Yu.Rasskazov, N.I.Grehnev, T.N.Aleksandrova // Pacific Geology. 2014. Vol.33. N 1. P.102-114.
  13. Rasskazova A.V. The increase of effectiveness of power utilization of brown coal of Russian Far East and prospects of valuable metals extraction / A.V.Rasskazova, T.N.Alexandrova, N.A.Lavrik // Eurasian Mining. 2014. Vol.1. P.25-27.

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