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Titlebook: Electrolytic Production of Al–Si Alloys; Theory and Technolog Dmitriy Pruttskov,Aleksander Andriiko,Aleksei Kiri Book 2023 The Editor(s) (i

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发表于 2025-3-21 17:40:41 | 显示全部楼层 |阅读模式
书目名称Electrolytic Production of Al–Si Alloys
副标题Theory and Technolog
编辑Dmitriy Pruttskov,Aleksander Andriiko,Aleksei Kiri
视频video
概述Presents the industrial process of Al-Si alloys in standard aluminum electrolyzers.Reviews the electrochemistry of cryolite melts containing silica.Authored by researchers who are experts in this fiel
丛书名称Monographs in Electrochemistry
图书封面Titlebook: Electrolytic Production of Al–Si Alloys; Theory and Technolog Dmitriy Pruttskov,Aleksander Andriiko,Aleksei Kiri Book 2023 The Editor(s) (i
描述This monograph presents the theoretical background of the industrial process for the production of Al-Si alloys in standard aluminum electrolyzers. It reviews the physical chemistry and electrochemistry of cryolite melts containing silica and focuses on analyzing the exchange reactions in Na3AlF6–Al2O3–SiO2 melts. It presents the kinetics and mechanism of Si(IV) electroreduction in Na3AlF6–Al2O3–SiO2 melts on Al cathodes while the current yields as well as industrial tests performed are discussed. The modern research trends in the field are also overviewed. Providing readers with information not easily obtained in any other single source, this book is of great interest to researchers, graduates, and professionals working in the fields of electrochemistry and technology of cryolite-based melts.
出版日期Book 2023
关键词Passivation phenomena; Al-Si alloys; Thermal stability of Na3AlF6 - Al2O3 - Sio2 melts; Electrolytic pr
版次1
doihttps://doi.org/10.1007/978-3-031-29249-1
isbn_softcover978-3-031-29251-4
isbn_ebook978-3-031-29249-1Series ISSN 1865-1836 Series E-ISSN 1865-1844
issn_series 1865-1836
copyrightThe Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl
The information of publication is updating

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发表于 2025-3-21 23:40:23 | 显示全部楼层
,Kinetics and Mechanism of Si(IV) Electroreduction in Na3AlF6–Al2O3–SiO2 Melts on Al Cathode,deposit [Si(II)]solid is formed at the interface. The condition for the precipitation of the latter is the passivation criterion PCSi(II)=[СSiO.][.Si(Сu)]=(1.27± 0.25)×10-4. It is obvious that when developing a technology for producing Al‒Si alloys, it is necessary to find such mode of loading SiO2
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Industrial Tests,producing Al–Si alloys in aluminum electrolyzers is the uniform supply of SiO. during the day. This permits to avoid the technological complications due to the passivation phenomena. The technology for obtaining Al–Si alloys in an aluminum electrolyzer is considered as a process taking place in two
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,Die Formen und Anwendungen der Geräte,Сu)]=(1.27± 0.25)×10-4. It is obvious that when developing a technology for producing Al‒Si alloys, it is necessary to find such mode of loading SiO2 into an electrolytic cell which eliminates this negative phenomenon.
发表于 2025-3-23 03:52:21 | 显示全部楼层
https://doi.org/10.1007/978-3-662-35209-0d increase by 1.013 times, and with 5 mass%, by 1.034 times. Therefore, the decrease in productivity observed during early industrial tests of the method was caused solely by an increase in the process temperature due to the technology violations.
发表于 2025-3-23 07:20:03 | 显示全部楼层
Physikalische Beschaffenheit des Bodensaterial loading 5.0 ± 0.5 and with a continuous mode 7.0 ± 0.5 without violations of the technology. The above conclusions do not depend of the raw material used. It was proved in the experiments of feeding the electrolyzer by pure quartz sand and aluminosilicates like disthene-sillimanite.
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