SU1123253A1 - METHOD OF OBTAINING α-OXIDE ALUMINUM - Google Patents

METHOD OF OBTAINING α-OXIDE ALUMINUM

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Publication number
SU1123253A1
SU1123253A1 SU3347562/02A SU3347562A SU1123253A1 SU 1123253 A1 SU1123253 A1 SU 1123253A1 SU 3347562/02 A SU3347562/02 A SU 3347562/02A SU 3347562 A SU3347562 A SU 3347562A SU 1123253 A1 SU1123253 A1 SU 1123253A1
Authority
SU
USSR - Soviet Union
Prior art keywords
heat treatment
aluminum hydroxide
obtaining
oxide aluminum
hydrargillite
Prior art date
Application number
SU3347562/02A
Other languages
Russian (ru)
Inventor
О.П. Криворучко
Б.П. Золотовский
Р.А. Буянов
В.А. Балашов
А.А. Самахов
Original Assignee
Институт катализа
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 Институт катализа filed Critical Институт катализа
Priority to SU3347562/02A priority Critical patent/SU1123253A1/en
Application granted granted Critical
Publication of SU1123253A1 publication Critical patent/SU1123253A1/en

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  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

1. Способ получения α-окиси алюминия с размером частиц меньше 1 мкм, включающий термообработку, отличающийся тем, что, с целью повышения качества конечного продукта и упрощения процесса, перед термообработкой осуществляют механохимическую активацию гидроксида алюминия при энергонапряженности 1 - 550 Вт/г, а термообработку ведут при температуре 1023 - 1423 К.2. Способ по п.1, отличающийся тем, что в качестве гидроксида алюминия используют бемит, байерит, аморфный гидроксид алюминия, гидраргиллит.1. A method of producing α-alumina with a particle size less than 1 micron, which includes heat treatment, characterized in that, in order to improve the quality of the final product and simplify the process, prior to heat treatment, mechanochemical activation of aluminum hydroxide is performed at an energy density of 1 - 550 W / g, and heat treatment is carried out at a temperature of 1023-1423 K.2. The method according to claim 1, characterized in that boehmite, bayerite, amorphous aluminum hydroxide, hydrargillite are used as aluminum hydroxide.

SU3347562/02A 1981-08-03 1981-08-03 METHOD OF OBTAINING α-OXIDE ALUMINUM SU1123253A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU3347562/02A SU1123253A1 (en) 1981-08-03 1981-08-03 METHOD OF OBTAINING α-OXIDE ALUMINUM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU3347562/02A SU1123253A1 (en) 1981-08-03 1981-08-03 METHOD OF OBTAINING α-OXIDE ALUMINUM

Publications (1)

Publication Number Publication Date
SU1123253A1 true SU1123253A1 (en) 1999-09-27

Family

ID=60538872

Family Applications (1)

Application Number Title Priority Date Filing Date
SU3347562/02A SU1123253A1 (en) 1981-08-03 1981-08-03 METHOD OF OBTAINING α-OXIDE ALUMINUM

Country Status (1)

Country Link
SU (1) SU1123253A1 (en)

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