Resource-saving technology of obtaining nanosilica

20th International Scientific and Research Conference "Metallurgy: Technologies, Innovation, Quality. Metallurgy-2017"

Kondratiev, V.V.^1 ; Kolosov, A.D.^1 ; Gorovoy, V.O.^1 ; Nebogin, S.A.^1 ; Elkin, K.S.^2

National Research Irkutsk Technical University, 83 Lermontova street, Irkutsk

664074, Russia^1

LLC RUSAL Engineering and Technological Centre, 37 Pogranichnikov street, Krasnoyarsk

660111, Russia^2

关键词: Granulometric compositions;    Laboratory studies;    Muffle furnaces;    Nano scale;    Nano-silica;    New technologies;    Resource-saving technologies;    Thermal methods;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/411/1/012036/pdf
DOI  :  10.1088/1757-899X/411/1/012036

来源: IOP

【 摘 要 】

Possibility of obtaining nanoscale silica from the dust of dry gas cleaning of silicon production by thermal methods is considered in the report. Analysis of the chemical and granulometric compositions of the initial dust, dust after annealing in the muffle furnace is given. A new technology for the thermal-vortex enrichment of dust of dry gas cleaning of silicon to obtain nanosilica is proposed, the results of modeling and laboratory studies are presented.