RU2013145158A - METHOD FOR PRODUCING URANIUM NITRATE - Google Patents

METHOD FOR PRODUCING URANIUM NITRATE Download PDF

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Publication number
RU2013145158A
RU2013145158A RU2013145158/05A RU2013145158A RU2013145158A RU 2013145158 A RU2013145158 A RU 2013145158A RU 2013145158/05 A RU2013145158/05 A RU 2013145158/05A RU 2013145158 A RU2013145158 A RU 2013145158A RU 2013145158 A RU2013145158 A RU 2013145158A
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RU
Russia
Prior art keywords
uranium
nitrate
nitric acid
ammonium
nitration
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RU2013145158/05A
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Russian (ru)
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RU2563480C2 (en
Inventor
Сергей Николаевич Круглов
Анатолий Степанович Козырев
Владимир Анатольевич Михайлов
Александр Сергеевич Рябов
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Открытое акционерное общество "Сибирский химический комбинат"
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Priority to RU2013145158/05A priority Critical patent/RU2563480C2/en
Publication of RU2013145158A publication Critical patent/RU2013145158A/en
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Abstract

1. Способ получения нитрата уранила, включающий нитрование соединений урана нитрующим агентом, отличающийся тем, что оксиды урана, полиуранаты натрия или аммония или пероксид урана переводят в нитраты обработкой раствором нитрата аммония.2. Способ по п. 1, отличающийся тем, что нитрование соединений урана проводят в интервале температур 200-350°C.3. Способ по п. 1, отличающийся тем, что используют водный раствор нитрата аммония концентрации 2-9 моль/л.4. Способ по п. 1 или 2, отличающийся тем, что полученную смесь оксидов урана и нитрата уранила растворяют в азотной кислоте или в азотнокислых рафинатах от экстракционного аффинажа урана.1. A method of producing uranyl nitrate, including nitration of uranium compounds with a nitrating agent, characterized in that the uranium oxides, sodium or ammonium polyuranates or uranium peroxide are converted into nitrates by treatment with a solution of ammonium nitrate. 2. A method according to claim 1, characterized in that the nitration of uranium compounds is carried out in the temperature range 200-350 ° C. 3. The method according to claim 1, characterized in that an aqueous solution of ammonium nitrate of a concentration of 2-9 mol / l is used. The method according to p. 1 or 2, characterized in that the resulting mixture of uranium oxides and uranyl nitrate is dissolved in nitric acid or in nitric acid raffinates from uranium extraction refining.

Claims (4)

1. Способ получения нитрата уранила, включающий нитрование соединений урана нитрующим агентом, отличающийся тем, что оксиды урана, полиуранаты натрия или аммония или пероксид урана переводят в нитраты обработкой раствором нитрата аммония.1. A method of producing uranyl nitrate, including nitration of uranium compounds with a nitrating agent, characterized in that the uranium oxides, sodium or ammonium polyuranates or uranium peroxide are converted into nitrates by treatment with a solution of ammonium nitrate. 2. Способ по п. 1, отличающийся тем, что нитрование соединений урана проводят в интервале температур 200-350°C.2. The method according to p. 1, characterized in that the nitration of uranium compounds is carried out in the temperature range 200-350 ° C. 3. Способ по п. 1, отличающийся тем, что используют водный раствор нитрата аммония концентрации 2-9 моль/л.3. The method according to p. 1, characterized in that they use an aqueous solution of ammonium nitrate concentration of 2-9 mol / L. 4. Способ по п. 1 или 2, отличающийся тем, что полученную смесь оксидов урана и нитрата уранила растворяют в азотной кислоте или в азотнокислых рафинатах от экстракционного аффинажа урана. 4. The method according to p. 1 or 2, characterized in that the resulting mixture of uranium oxides and uranyl nitrate is dissolved in nitric acid or in nitric acid raffinates from extraction refining of uranium.
RU2013145158/05A 2013-10-08 2013-10-08 Method of obtaining uranyl nitrate RU2563480C2 (en)

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RU2013145158/05A RU2563480C2 (en) 2013-10-08 2013-10-08 Method of obtaining uranyl nitrate

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RU2013145158/05A RU2563480C2 (en) 2013-10-08 2013-10-08 Method of obtaining uranyl nitrate

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RU2013145158A true RU2013145158A (en) 2015-04-20
RU2563480C2 RU2563480C2 (en) 2015-09-20

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405567A (en) * 1980-11-20 1983-09-20 Phillips Petroleum Company Uranium value leaching with ammonium carbonate and/or bicarbonate plus nitrate oxidant and optionally oxidation-catalytic metal compounds
RU2295789C1 (en) * 2005-10-10 2007-03-20 Российская Федерация в лице Федерального агентства по атомной энергии Actinide nitrates preparation method (variations)
RU2295168C1 (en) * 2005-10-13 2007-03-10 ООО Научно-производственный центр "ЭЙДОС" Uranium extraction affinage process
RU2366012C2 (en) * 2007-05-14 2009-08-27 Российская Федерация в лице Федерального агентства по атомной энергии Method of irradiated nuclear fuel treatment

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