DE3330224C2 - - Google Patents
Info
- Publication number
- DE3330224C2 DE3330224C2 DE19833330224 DE3330224A DE3330224C2 DE 3330224 C2 DE3330224 C2 DE 3330224C2 DE 19833330224 DE19833330224 DE 19833330224 DE 3330224 A DE3330224 A DE 3330224A DE 3330224 C2 DE3330224 C2 DE 3330224C2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- cadmium
- organic
- aqueous
- ions
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 229910052793 cadmium Inorganic materials 0.000 claims description 61
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 58
- 239000000243 solution Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 45
- 238000000605 extraction Methods 0.000 claims description 42
- 229910019142 PO4 Inorganic materials 0.000 claims description 34
- 235000021317 phosphate Nutrition 0.000 claims description 34
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 29
- 239000010452 phosphate Substances 0.000 claims description 29
- 229910002651 NO3 Inorganic materials 0.000 claims description 24
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 24
- 229910017604 nitric acid Inorganic materials 0.000 claims description 23
- 239000011575 calcium Substances 0.000 claims description 22
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 20
- 230000029087 digestion Effects 0.000 claims description 20
- 230000002378 acidificating effect Effects 0.000 claims description 16
- 229910052791 calcium Inorganic materials 0.000 claims description 16
- 239000012074 organic phase Substances 0.000 claims description 16
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 14
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 12
- -1 halide ions Chemical class 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- 239000012071 phase Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 8
- 239000012266 salt solution Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 150000004820 halides Chemical class 0.000 claims description 5
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 150000002926 oxygen Chemical class 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 41
- 239000011701 zinc Substances 0.000 description 30
- 235000011007 phosphoric acid Nutrition 0.000 description 25
- 229910052725 zinc Inorganic materials 0.000 description 22
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 18
- 239000003929 acidic solution Substances 0.000 description 15
- 239000002253 acid Substances 0.000 description 13
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 229910001424 calcium ion Inorganic materials 0.000 description 10
- 150000001768 cations Chemical class 0.000 description 10
- 239000003337 fertilizer Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 238000000184 acid digestion Methods 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 5
- 150000003016 phosphoric acids Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 150000001412 amines Chemical group 0.000 description 4
- 229940065285 cadmium compound Drugs 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 150000003752 zinc compounds Chemical class 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000011260 aqueous acid Substances 0.000 description 3
- 229910002056 binary alloy Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- VXAPDXVBDZRZKP-UHFFFAOYSA-N nitric acid phosphoric acid Chemical compound O[N+]([O-])=O.OP(O)(O)=O VXAPDXVBDZRZKP-UHFFFAOYSA-N 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 125000002577 pseudohalo group Chemical group 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 150000001649 bromium compounds Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000004694 iodide salts Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 101500021084 Locusta migratoria 5 kDa peptide Proteins 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012490 blank solution Substances 0.000 description 1
- RPESHXMMUUOHIB-UHFFFAOYSA-M calcium dihydrogen phosphate nitrate Chemical compound [N+](=O)([O-])[O-].P(=O)([O-])(O)O.[Ca+2] RPESHXMMUUOHIB-UHFFFAOYSA-M 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical class [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833330224 DE3330224A1 (de) | 1983-08-22 | 1983-08-22 | Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833330224 DE3330224A1 (de) | 1983-08-22 | 1983-08-22 | Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3330224A1 DE3330224A1 (de) | 1985-03-14 |
| DE3330224C2 true DE3330224C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-05 |
Family
ID=6207117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833330224 Granted DE3330224A1 (de) | 1983-08-22 | 1983-08-22 | Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3330224A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8601101A (nl) * | 1986-04-29 | 1987-11-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van cadmium uit zure, fosfaathoudende waterige media. |
| DE4010778A1 (de) * | 1989-05-26 | 1990-11-29 | Budenheim Rud A Oetker Chemie | Verbessertes verfahren zum entfernen von cadmium-ionen aus nassverfahrensphosphorsaeure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367749A (en) * | 1963-02-20 | 1968-02-06 | Monsanto Co | Purifying phosphoric acid using an amine extractant |
| IL25408A (en) * | 1965-03-25 | 1969-11-12 | Monsanto Co | Purifying phosphoric acid |
| DE2422902A1 (de) * | 1974-05-11 | 1975-11-20 | Kalk Chemische Fabrik Gmbh | Verfahren zur herstellung von cadmiumsulfid aus phosphorsaeure |
| DE3134847A1 (de) * | 1981-09-03 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "verfahren zur gewinnung cadmium-freier rohphosphorsaeure" |
| DE3209183A1 (de) * | 1982-03-13 | 1983-09-15 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln |
| DE3218599A1 (de) * | 1982-05-18 | 1983-12-01 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
-
1983
- 1983-08-22 DE DE19833330224 patent/DE3330224A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3330224A1 (de) | 1985-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |