PL403862A1 - Method for preparing solutions of zirconium sulfate(IV) and hafnium(IV) with the solution by precipitation of oxalate - Google Patents

Method for preparing solutions of zirconium sulfate(IV) and hafnium(IV) with the solution by precipitation of oxalate

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Publication number
PL403862A1
PL403862A1 PL403862A PL40386213A PL403862A1 PL 403862 A1 PL403862 A1 PL 403862A1 PL 403862 A PL403862 A PL 403862A PL 40386213 A PL40386213 A PL 40386213A PL 403862 A1 PL403862 A1 PL 403862A1
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PL
Poland
Prior art keywords
hafnium
oxalate
precipitation
solution
zirconium sulfate
Prior art date
Application number
PL403862A
Other languages
Polish (pl)
Other versions
PL232853B1 (en
Inventor
Marek Smolik
Agata Jakóbik-Kolon
Paweł Skóra
Original Assignee
Politechnika Śląska
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 Politechnika Śląska filed Critical Politechnika Śląska
Priority to PL403862A priority Critical patent/PL232853B1/en
Publication of PL403862A1 publication Critical patent/PL403862A1/en
Publication of PL232853B1 publication Critical patent/PL232853B1/en

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  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Sposób otrzymywania siarczanowych roztworów cyrkonu(IV) i hafnu(IV) z ich roztworów szczawianowych metodą strąceniową charakteryzuje się tym, że cyrkon i hafn z roztworów szczawianowych strąca się jako Zr(Hf)O2•xH2O za pomocą nadmiaru stężonego NH3aq, korzystnie w stosunku molowym NH3:Zr(Hf) = 80-100, na gorąco, korzystnie w temperaturze 80 do 90°C, po czym sączy się i dokładnie przemywa wodą, a następnie roztwarza w st. (95%) H2SO4, korzystnie w stosunku molowym H2SO4: Zr(Hf) = 7-9.The method of obtaining sulfate solutions of zirconium (IV) and hafnium (IV) from their oxalate solutions by precipitation method is characterized in that zirconium and hafnium from oxalate solutions are precipitated as Zr (Hf) O2 • xH2O with an excess of concentrated NH3aq, preferably in molar ratio NH3: Zr (Hf) = 80-100, hot, preferably at 80 to 90 ° C, after which it is filtered and thoroughly washed with water, and then reconstituted at 95 () with H2SO4, preferably in H2SO4 molar ratio: Zr (Hf) = 7-9.

PL403862A 2013-05-13 2013-05-13 Method for preparing solutions of zirconium sulfate(IV) and hafnium(IV) with the solution by precipitation of oxalate PL232853B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL403862A PL232853B1 (en) 2013-05-13 2013-05-13 Method for preparing solutions of zirconium sulfate(IV) and hafnium(IV) with the solution by precipitation of oxalate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL403862A PL232853B1 (en) 2013-05-13 2013-05-13 Method for preparing solutions of zirconium sulfate(IV) and hafnium(IV) with the solution by precipitation of oxalate

Publications (2)

Publication Number Publication Date
PL403862A1 true PL403862A1 (en) 2014-11-24
PL232853B1 PL232853B1 (en) 2019-08-30

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ID=51902425

Family Applications (1)

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PL403862A PL232853B1 (en) 2013-05-13 2013-05-13 Method for preparing solutions of zirconium sulfate(IV) and hafnium(IV) with the solution by precipitation of oxalate

Country Status (1)

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PL (1) PL232853B1 (en)

Also Published As

Publication number Publication date
PL232853B1 (en) 2019-08-30

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