RU291567C - METHOD FOR OBTAINING ZIRCONIUM DIOXIDE - Google Patents

METHOD FOR OBTAINING ZIRCONIUM DIOXIDE Download PDF

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Publication number
RU291567C
RU291567C SU1378557A SU1378557A RU291567C RU 291567 C RU291567 C RU 291567C SU 1378557 A SU1378557 A SU 1378557A SU 1378557 A SU1378557 A SU 1378557A RU 291567 C RU291567 C RU 291567C
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RU
Russia
Prior art keywords
zirconium dioxide
hydrochloric acid
solution
obtaining zirconium
magnetic fraction
Prior art date
Application number
SU1378557A
Other languages
Russian (ru)
Inventor
Рыбачук Н.Т. Шуменко В.Н. Сажина В.А. Ларичкин Е.А. Михнев В.И. Болотич Е.Г. Коленкова М.А.
Original Assignee
Московский институт стали и сплавов
Донецкий химико-металлургический завод
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Publication date
Application filed by Московский институт стали и сплавов, Донецкий химико-металлургический завод filed Critical Московский институт стали и сплавов
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Publication of RU291567C publication Critical patent/RU291567C/en

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Claims (1)

Способ получения двуокиси циркония из бадделеитового концентрата путем двухстадийного электромагнитного обогащения исходного продукта с последующим доизмельчением немагнитной фракции и обработкой ее раствором соляной кислоты при нагревании, отличающийся тем, что, с целью повышения степени чистоты конечного продукта, обработку немагнитной фракции раствором соляной кислоты ведут в присутствии добавок азотной кислоты при концентрации ее в растворе соляной кислоты 0,2-0,5%.A method for producing zirconium dioxide from a baddeleyite concentrate by two-stage electromagnetic enrichment of the initial product, followed by regrinding of the non-magnetic fraction and processing it with a solution of hydrochloric acid when heated, characterized in that, in order to increase the purity of the final product, the treatment of the non-magnetic fraction with a solution of hydrochloric acid is carried out in the presence of additives nitric acid at its concentration in hydrochloric acid solution of 0.2-0.5%.
SU1378557A 1969-11-17 METHOD FOR OBTAINING ZIRCONIUM DIOXIDE RU291567C (en)

Publications (1)

Publication Number Publication Date
RU291567C true RU291567C (en) 2023-08-07

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