RU2001105438A - METHOD FOR PROCESSING TECHNICAL SOLUTIONS - Google Patents

METHOD FOR PROCESSING TECHNICAL SOLUTIONS

Info

Publication number
RU2001105438A
RU2001105438A RU2001105438/06A RU2001105438A RU2001105438A RU 2001105438 A RU2001105438 A RU 2001105438A RU 2001105438/06 A RU2001105438/06 A RU 2001105438/06A RU 2001105438 A RU2001105438 A RU 2001105438A RU 2001105438 A RU2001105438 A RU 2001105438A
Authority
RU
Russia
Prior art keywords
solution
coprecipitation
technetium
technical solutions
reducing agent
Prior art date
Application number
RU2001105438/06A
Other languages
Russian (ru)
Other versions
RU2199163C2 (en
Inventor
Евгений Григорьевич Дзекун
Александр Николаевич Машкин
Константин Константинович Корченкин
Original Assignee
Производственное объединение "МАЯК"
Filing date
Publication date
Application filed by Производственное объединение "МАЯК" filed Critical Производственное объединение "МАЯК"
Priority to RU2001105438A priority Critical patent/RU2199163C2/en
Priority claimed from RU2001105438A external-priority patent/RU2199163C2/en
Application granted granted Critical
Publication of RU2199163C2 publication Critical patent/RU2199163C2/en
Publication of RU2001105438A publication Critical patent/RU2001105438A/en

Links

Claims (2)

1. Способ переработки технециевых растворов, включающий введение восстановителя, соосаждение технеция на гидроксидах железа и отделение осадка, отличающийся тем, что технециевый раствор нейтрализуют до рН 5÷11 раствором карбоната натрия и/или раствором щелочи с одновременным разбавлением до концентрации нитрат-иона 1,5 моль/л и менее, а соосаждение проводят при концентрации восстановителя гидразина от 0,001 до 0,05 моль/л.1. A method of processing technetium solutions, including the introduction of a reducing agent, the coprecipitation of technetium on iron hydroxides and separation of the precipitate, characterized in that the technetium solution is neutralized to pH 5 ÷ 11 with a solution of sodium carbonate and / or alkali solution with simultaneous dilution to a concentration of nitrate ion 1, 5 mol / L or less, and coprecipitation is carried out at a concentration of hydrazine reducing agent from 0.001 to 0.05 mol / L. 2. Способ по п. 1, отличающийся тем, что соосаждение проводят при использовании в качестве восстановителя раствора железа (II) при мольном соотношении Tc: Fe (II) равном 1: 7 и более. 2. The method according to p. 1, characterized in that the coprecipitation is carried out when using as a reducing agent a solution of iron (II) with a molar ratio of Tc: Fe (II) equal to 1: 7 or more.
RU2001105438A 2001-02-26 2001-02-26 Technetium solution recovery method RU2199163C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2001105438A RU2199163C2 (en) 2001-02-26 2001-02-26 Technetium solution recovery method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2001105438A RU2199163C2 (en) 2001-02-26 2001-02-26 Technetium solution recovery method

Publications (2)

Publication Number Publication Date
RU2199163C2 RU2199163C2 (en) 2003-02-20
RU2001105438A true RU2001105438A (en) 2003-03-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001105438A RU2199163C2 (en) 2001-02-26 2001-02-26 Technetium solution recovery method

Country Status (1)

Country Link
RU (1) RU2199163C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2513724C1 (en) * 2012-09-10 2014-04-20 Федеральное государственное унитарное предприятие "Научно-производственное объединение "Радиевый институт имени В.Г. Хлопина" Method of preparing technetium solutions

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