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Physicochemical Analysis of Distribution of Useful Components in Waste in the Thermal Energy Sector
Journal of Mining Science ( IF 0.7 ) Pub Date : 2020-05-01 , DOI: 10.1134/s1062739120036751
V. S. Rimkevich , A. P. Sorokin , A. A. Pushkin , I. V. Girenko

The physicochemical analysis of distribution of useful components in processing of ash and slag of the thermal energy sector plants is performed. The article describes thermodynamics and kinetics of chemical reactions during agglomeration of feedstock and ammonium hydrofluoride at the temperatures of 50–200 °C, sublimation of ammonium hexafluorosilicate in the temperature range of 350–550 °C, production of amorphous silica nanoparticles, alumina particles and red iron oxide pigment, as well as formation of calcium fluoride (Ca, Y)F 2 which is a concentrator of rare and other elements. The efficient technology is developed for processing of electromagnetic fraction of ash and slag with integrated recovery of various useful components.

中文翻译:

热能行业废弃物中有用成分分布的理化分析

对热能部门工厂的灰渣处理过程中有用成分的分布进行了理化分析。这篇文章描述了原料和氢氟化铵在 50-200 °C 温度下团聚、六氟硅酸铵在 350-550 °C 温度范围内升华、生产无定形二氧化硅纳米颗粒、氧化铝颗粒和红色氧化铁颜料,以及氟化钙 (Ca, Y)F 2 的形成,氟化钙是稀有元素和其他元素的浓缩物。开发了高效的技术,用于处理灰渣的电磁部分,并综合回收各种有用的成分。
更新日期:2020-05-01
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