SU955659A1 - WAY OF OBTAINING SILICON - Google Patents

WAY OF OBTAINING SILICON

Info

Publication number
SU955659A1
SU955659A1 SU3222117/26A SU3222117A SU955659A1 SU 955659 A1 SU955659 A1 SU 955659A1 SU 3222117/26 A SU3222117/26 A SU 3222117/26A SU 3222117 A SU3222117 A SU 3222117A SU 955659 A1 SU955659 A1 SU 955659A1
Authority
SU
USSR - Soviet Union
Prior art keywords
silicon
way
waste
obtaining silicon
hydrochloric acid
Prior art date
Application number
SU3222117/26A
Other languages
Russian (ru)
Inventor
Э.П. Бочкарев
А.В. Елютин
Ю.Н. Назаров
Т.М. Старобина
А.М. Чапыгин
А.А. Кох
С.И. Гашенко
А.А. Рогаткин
А.Л. Данилевский
П.А. Данов
Ю.И. Булаев
Original Assignee
Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет" filed Critical Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет"
Priority to SU3222117/26A priority Critical patent/SU955659A1/en
Application granted granted Critical
Publication of SU955659A1 publication Critical patent/SU955659A1/en

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  • Silicon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

1. Способ получения кремния, включающий выщелачивание кремнийсодержащих отходов раствором соляной кислоты, отличающийся тем, что, с целью повышения выхода целевого продукта и упрощения процесса, в качестве кремнийсодержащих отходов используют твердые отходы производства трихлорсилана, перед выщелачиванием отходы обрабатывают азотом.2. Способ по п.1, отличающийся тем, что обработку отходов азотом ведут при температуре 70 - 250С, а соляную кислоту используют с концентрацией 0,1 - 0,4 г/л.1. A method of producing silicon, including leaching of silicon-containing waste with a solution of hydrochloric acid, characterized in that, in order to increase the yield of the target product and simplify the process, solid waste from trichlorosilane production is used as silicon-containing waste. The method according to claim 1, characterized in that the treatment of waste with nitrogen is carried out at a temperature of 70 - 250C, and hydrochloric acid is used with a concentration of 0.1 - 0.4 g / l.

SU3222117/26A 1980-10-04 1980-10-04 WAY OF OBTAINING SILICON SU955659A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU3222117/26A SU955659A1 (en) 1980-10-04 1980-10-04 WAY OF OBTAINING SILICON

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU3222117/26A SU955659A1 (en) 1980-10-04 1980-10-04 WAY OF OBTAINING SILICON

Publications (1)

Publication Number Publication Date
SU955659A1 true SU955659A1 (en) 1999-07-10

Family

ID=60525700

Family Applications (1)

Application Number Title Priority Date Filing Date
SU3222117/26A SU955659A1 (en) 1980-10-04 1980-10-04 WAY OF OBTAINING SILICON

Country Status (1)

Country Link
SU (1) SU955659A1 (en)

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