CS224993B1 - The solvent extraction of the palladium from solutions of the nitric acid - Google Patents
The solvent extraction of the palladium from solutions of the nitric acid Download PDFInfo
- Publication number
- CS224993B1 CS224993B1 CS668082A CS668082A CS224993B1 CS 224993 B1 CS224993 B1 CS 224993B1 CS 668082 A CS668082 A CS 668082A CS 668082 A CS668082 A CS 668082A CS 224993 B1 CS224993 B1 CS 224993B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- palladium
- nitric acid
- solutions
- extraction
- solvent extraction
- Prior art date
Links
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 title claims description 25
- 229910052763 palladium Inorganic materials 0.000 title claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 title description 3
- 238000000638 solvent extraction Methods 0.000 title 1
- 238000000605 extraction Methods 0.000 claims description 10
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 3
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 3
- 239000013522 chelant Substances 0.000 claims description 2
- 229910052963 cobaltite Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- GJLUFTKZCBBYMV-UHFFFAOYSA-N carbamimidoylsulfanyl carbamimidothioate Chemical compound NC(=N)SSC(N)=N GJLUFTKZCBBYMV-UHFFFAOYSA-N 0.000 claims 1
- 238000000855 fermentation Methods 0.000 claims 1
- 230000004151 fermentation Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 description 7
- 229910002651 NO3 Inorganic materials 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- VFNGKCDDZUSWLR-UHFFFAOYSA-N disulfuric acid Chemical class OS(=O)(=O)OS(O)(=O)=O VFNGKCDDZUSWLR-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WHDGWKAJBYRJJL-UHFFFAOYSA-K ferbam Chemical compound [Fe+3].CN(C)C([S-])=S.CN(C)C([S-])=S.CN(C)C([S-])=S WHDGWKAJBYRJJL-UHFFFAOYSA-K 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- LQNUZADURLCDLV-IDEBNGHGSA-N nitrobenzene Chemical group [O-][N+](=O)[13C]1=[13CH][13CH]=[13CH][13CH]=[13CH]1 LQNUZADURLCDLV-IDEBNGHGSA-N 0.000 description 1
- UUZZMWZGAZGXSF-UHFFFAOYSA-N peroxynitric acid Chemical compound OON(=O)=O UUZZMWZGAZGXSF-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Description
224 993
Vynález sa týká sposebu rezpúštadlevej extrakci© paládiaz reztekev kyseliny dusičnéj.
Extrakcia paládia z dusičnanových reztekev prickádza deúvahy pri spraoúvaní rúd, ale najmM vykerenéke jadreváke paliva·Paládium je Jednýn z oennýck žtiepnyck preduktev, která vzniká-*jú e vysokým výtažkem a iok tverba v reaktereck nože preslek-nut príredná zdroje· Extrakcia paládia béla vsak deteraz žtude-vané prevažne z kalogenideváke prestredia, ake extrakčně činid-lá sa peužívajú tributylfesfát a terciárně aminy· Extrakcia ter-ciárnymi amínami a kvartárnymi ammenievými selani je mežná i zdusičnaneváke prestredia, pričem vznikajú preblány s neurčites-teu okemickáke stavu paládia v dusičnanových reztekeok a vply-vem příměsi na extrakciu· Túte nevýkedu v podstatnéj miere odstraňuje sposeb rezpúš-ťadlevej extrakci© paládia z reztekev kyseliny dusičnej pedlavynálezu kteráke podstata spočívá v tem, že paládium ve ferme ka-ti eneváke ckelátu sa extrakuje nitrebenzénevými reztekmi kalegén-derivátev dikarbelidu kebaltitáke. Xatiénevá ckeláty sa pripra-via z dvejfunkčnýok ligandev obsahujúcick denerevá atomy dusíkaa síry ake sú 2-teneyltrifluereaoetén, 1,10-fenantrelin, ,£p?-di-pyridyl, kexametylántetramín alebe fermamidíndisulfid· '"^^^řiez/^uzíva poznatek, že nitrebenzánevá roztoky dikar-belidu kebaltitáke a jeke kalegánderivátev extrakujú debre velkáhydrefébne katiény aj ze silné kysláke prestredia· Ak sa k du-sičnanovému rozteku přidá ve vednej alebe kontaktovanej erganlo-kej fáze Činidle, kteráke molekula alebe anien Lz (z»0, -1) tvo-ří s paládiem katiénevý ckelát - X/ -
Pd2 + LZ v ""‘y Pdl/2**Z)+ 224 993 bude sa tente katién efektivně vymieňat za iný katién (H+, Cs+)z organickéj fázy : ρω(2-ϋ)+ +-^ =_ pJi;<2-í)+ +h+ V praxi sa može tente peznatek využit na selektívnu extrak-oiu paládia pe extrakci! cézia® Příklad 1
Reztek 0,1 g.dn"^ paládia v 1 M HNO^ sa pri teplete 25 *0extrahuje revnakým objemem 0,05 M dibrémderivátu dikarbelidu ko-balt itého (žale j : Br^DCC) alebe hexaohlérderivátu (éalej : ClgDCC)a 0,05 M teneyltriflueracěténu v zmesi nitrebenzén-chlerid uhli-čitý (1:1)· Výtažek extrakoie za 1,5 h^df je 61 % a pe 8 hodinách96 %. Příklad 2
Extrahuje sa ake v příklade 1 s revnakým objemem 0,01 M2,2*-dipyridylu a 0,01 M BrgDCC alebe ClgDCC v nitrebenzéne· Pe10 min extrakci! je výtažek 99 %· řríklad 3
Extrahuje sa ake v příklade 1 s revnakým objemem 0,01 M 1,10-fenantrelínu + 0,01 M BrgDCC alebe ClgDCC v nitrebenzéne* Výta-žek pe 10 minútevej extrakci! je 99 %· Příklad 4 K Pd2+ v 1 M HNO^ sa pri teplete 25 ®C přidá hexametylénte-tramín de kencentráoie 0,1 M a extrahuje sa 2 h|d{ nitrebenzéne-vým roztokem 0,01 M BrgDCC· Výtažek je 57 %· -ύ-
Príklaí 5 224 993 Κ rezteku ake v příklade 4 ea přidá fermamidíndieulfid<· kencentráoie 2 g*da"^ * extrakuje ea 2 k|4 aitrebeazénevýmrezteke* 0,01 M BrgDGO· Vyťašek je 83 %· f
Claims (2)
- PREDMBT VYNÁLEZU 224 993 1 Sposeb rozpúžťadlevej extrakcie paládia z reztekev kyse-liny dusičnéj vyznačuj úci sa tým, že paládium ve ferme katie-nevébe chelátu sa extrahuje nitrebenzénevými reztekmi halegén-derivátev dikarbelidu kobaltitébe·
- 2 Sposeb pedla bědu 1 vyznačujúci sa tým, že katienevé che-láty sa pripravia z dvejfunkčnýoh liffandev obsahujúcich denere-vé aterny dusíka a síry, ake sú 2-teneyltriflueraoetén, 1,10-fenantrelín, Z,£Z-dipyridyl, hexametyléntetramín alebe formamidíndisulfid·
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS668082A CS224993B1 (en) | 1982-09-17 | 1982-09-17 | The solvent extraction of the palladium from solutions of the nitric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS668082A CS224993B1 (en) | 1982-09-17 | 1982-09-17 | The solvent extraction of the palladium from solutions of the nitric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS224993B1 true CS224993B1 (en) | 1984-02-13 |
Family
ID=5414417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS668082A CS224993B1 (en) | 1982-09-17 | 1982-09-17 | The solvent extraction of the palladium from solutions of the nitric acid |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS224993B1 (cs) |
-
1982
- 1982-09-17 CS CS668082A patent/CS224993B1/cs unknown
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