RU2007103114A - METHOD FOR PRODUCING MULLIT FROM TOPAZ CONCENTRATE - Google Patents

METHOD FOR PRODUCING MULLIT FROM TOPAZ CONCENTRATE Download PDF

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Publication number
RU2007103114A
RU2007103114A RU2007103114/03A RU2007103114A RU2007103114A RU 2007103114 A RU2007103114 A RU 2007103114A RU 2007103114/03 A RU2007103114/03 A RU 2007103114/03A RU 2007103114 A RU2007103114 A RU 2007103114A RU 2007103114 A RU2007103114 A RU 2007103114A
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RU
Russia
Prior art keywords
granules
mullite
producing
topaz
concentrate
Prior art date
Application number
RU2007103114/03A
Other languages
Russian (ru)
Other versions
RU2335481C1 (en
Inventor
Николай Дмитриевич Милютин (RU)
Николай Дмитриевич Милютин
Владимир Александрович Хохлов (RU)
Владимир Александрович Хохлов
Андрей Юрьевич Макасеев (RU)
Андрей Юрьевич Макасеев
Антон Александрович Фиськов (RU)
Антон Александрович Фиськов
Original Assignee
Николай Дмитриевич Милютин (RU)
Николай Дмитриевич Милютин
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.)
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Publication date
Application filed by Николай Дмитриевич Милютин (RU), Николай Дмитриевич Милютин filed Critical Николай Дмитриевич Милютин (RU)
Priority to RU2007103114/03A priority Critical patent/RU2335481C1/en
Publication of RU2007103114A publication Critical patent/RU2007103114A/en
Application granted granted Critical
Publication of RU2335481C1 publication Critical patent/RU2335481C1/en

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  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Claims (3)

1. Способ получения муллита, включающий приготовление гранул из измельченного топазового концентрата в присутствии связующего и обжиг гранул при температуре, достаточной для образования муллита, отличающийся тем, что топазовый концентрат гранулируют совместно с гидроокисью алюминия, добавленной в стехиометрическом количестве в зависимости от состава исходного сырья для получения конечного соединения 3Аl2O3·2SiO2 и с добавлением сухого органического связующего в количестве, необходимом для создания заданной пористости гранул, а обжиг полученных гранул осуществляют в закрытых тиглях, для сохранения фторсодержащей газовой среды.1. A method of producing mullite, including the preparation of granules from crushed topaz concentrate in the presence of a binder and calcining the granules at a temperature sufficient to form mullite, characterized in that the topaz concentrate is granulated together with aluminum hydroxide added in stoichiometric amount depending on the composition of the feedstock for obtaining the final compound 3Al 2 O 3 · 2SiO 2 and with the addition of a dry organic binder in an amount necessary to create a given porosity of the granules, and firing the obtained granules are carried out in closed crucibles, to preserve the fluorine-containing gas medium. 2. Способ по п.1, отличающийся тем, что в качестве сухого органического связующего используют поливиниловый спирт в количестве до 40 мас.%.2. The method according to claim 1, characterized in that polyvinyl alcohol in an amount of up to 40 wt.% Is used as a dry organic binder. 3. Способ по п.1, отличающийся тем, что обжиг осуществляют в закрытых муллитовых тиглях при температуре 1100-1400°С.3. The method according to claim 1, characterized in that the firing is carried out in closed mullite crucibles at a temperature of 1100-1400 ° C.
RU2007103114/03A 2007-01-26 2007-01-26 Method of obtaining mullite from topaz concentrate RU2335481C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007103114/03A RU2335481C1 (en) 2007-01-26 2007-01-26 Method of obtaining mullite from topaz concentrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007103114/03A RU2335481C1 (en) 2007-01-26 2007-01-26 Method of obtaining mullite from topaz concentrate

Publications (2)

Publication Number Publication Date
RU2007103114A true RU2007103114A (en) 2008-08-10
RU2335481C1 RU2335481C1 (en) 2008-10-10

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Family Applications (1)

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RU2007103114/03A RU2335481C1 (en) 2007-01-26 2007-01-26 Method of obtaining mullite from topaz concentrate

Country Status (1)

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RU (1) RU2335481C1 (en)

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Publication number Publication date
RU2335481C1 (en) 2008-10-10

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Effective date: 20200127