Журнал Сибирского федерального университета. Техника и технологии. Journal of Siberian Federal University. Engineering & Technologies / №5 2016

The Results of Theoretical and Practical Studies of Flotation of Nanoscale Silicon Structures (150,00 руб.)

Первый автор	Kondratyev
Авторы	Antonina I., Alexander A., Nikita N.
Страниц	14

150,00р

ID	455940
Аннотация	This paper presents theoretical calculations and the results of laboratory experiments showing that almost all quartzite, carried away as a ёne dust phase in gas removal and gas cleaning, presented spheroidized micro- and nanoparticles of SiO2. It takes the dust of gas puriёcation from the class of “waste” in class “product” if carbon impurities, which invariably accompanies in a ёne dust, will be removed. As a result of studying the properties of the dust production of silicon revealed that 85 % of it represented with spheroidized particles of SiO2, and the resulting amounts of dust makes a promising source for production. The best process for extracting the associated carbon nanotubes is яotation. Floating particles of micro and nano-sized particles should be carried out in a laminar яow of the pulp with the fewest basic яotation cycles. In the thick layer of watery foam microspheres and nanospheres of silica are washed away in the chamber of the product interbubble channels. Flotation air bubbles should be nano and micro size. Initial bubbles emerging from the aerator must be close to monodisperse distribution. The reagents used need to be more soluble in water than conventional. As the aerator should be used pneumohydraulic aerator. To activate hydrophilized particles of valuable component need to use pressure яotation. To reduce energy consumption and time of яotation need the smallest number of elementary cycles of яotation (ETSF). Before and after the яotation conglomerates of valuable component particles with other particles should be broken, as well as to make the necessary removal of impurities of the sand slurry. The results demonstrated that as a co-product along with the metallurgical silicon is formed a large amount of dust containing up to 85 % of spheroidized micro- and nanoparticles of silicon dioxide and up to 10 % carbon nanotube content and other nanoparticles. Enrichment product possible to 99.5 %. Further enrichment requires additional research.
УДК	620.17: 669.1.13

The Results of Theoretical and Practical Studies of Flotation of Nanoscale Silicon Structures / VictorV. Kondratyev [и др.] // Журнал Сибирского федерального университета. Техника и технологии. Journal of Siberian Federal University. Engineering & Technologies .— 2016 .— №5 .— С. 47-60 .— URL: https://rucont.ru/efd/455940 (дата обращения: 03.05.2024)

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Engineering & Technologies, 2016, 9(5), 657-670 ~ ~ ~ УДК 620.17: 669.1.13 The Results of Theoretical and Practical Studies of Flotation of Nanoscale Silicon Structures Victor V. Kondratyev*, Antonina I. Karlina, Alexander A. Nemarov and Nikita N. Ivanov Irkutsk National Research Technical University 83 Lermontova, Irkutsk, 664074, Russia Received 19.03.2016, received in revised form 20.05.2016, accepted 02.07.2016 This paper presents theoretical calculations and the results of laboratory experiments showing that almost all quartzite, carried away as a fi ne dust phase in gas removal and gas cleaning, presented spheroidized micro- and nanoparticles of SiO2 . <...> The best process for extracting the associated carbon nanotubes is fl otation. <...> Floating particles of micro and nano-sized particles should be carried out in a laminar fl ow of the pulp with the fewest basic fl otation cycles. <...> Initial bubbles emerging from the aerator must be close to monodisperse distribution. <...> As the aerator should be used pneumohydraulic aerator. <...> To activate hydrophilized particles of valuable component need to use pressure fl otation. <...> To reduce energy consumption and time of fl otation need the smallest number of elementary cycles of fl otation (ETSF). <...> The results of theoretical and practical studies of fl otation of nanoscale silicon structures, J. <...> All rights reserved * Corresponding author E-mail address: kvv@istu.edu # 657 # Victor V. Kondratyev, Antonina I. Karlina… <...> The Results of Theoretical and Practical Studies of Flotation of Nanoscale… <...> Результаты теоретических и практических исследований флотации наноразмерных кремнийсодержащих структур В.В. Кондратьев, А.И. Карлина, А.А. Немаров, Н.Н. Иванов Иркутский национальный исследовательский технический университет Россия <...>

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