DE1277221B - Verfahren zur Reinigung von Phosphorsaeure - Google Patents
Verfahren zur Reinigung von PhosphorsaeureInfo
- Publication number
- DE1277221B DE1277221B DEM59977A DEM0059977A DE1277221B DE 1277221 B DE1277221 B DE 1277221B DE M59977 A DEM59977 A DE M59977A DE M0059977 A DEM0059977 A DE M0059977A DE 1277221 B DE1277221 B DE 1277221B
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- amine
- saturated
- carbon atoms
- impurities
- 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.)
- Withdrawn
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 173
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 86
- 238000000034 method Methods 0.000 title claims description 64
- 230000008569 process Effects 0.000 title claims description 43
- -1 amine salt Chemical class 0.000 claims description 59
- 239000012535 impurity Substances 0.000 claims description 54
- 150000001412 amines Chemical class 0.000 claims description 41
- 238000000605 extraction Methods 0.000 claims description 35
- 239000002253 acid Substances 0.000 claims description 25
- 239000003085 diluting agent Substances 0.000 claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims description 24
- 229920006395 saturated elastomer Polymers 0.000 claims description 17
- 125000002091 cationic group Chemical group 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 8
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 125000000129 anionic group Chemical group 0.000 claims description 5
- 150000001450 anions Chemical group 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical group CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000002430 hydrocarbons Chemical group 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims 1
- 235000011130 ammonium sulphate Nutrition 0.000 claims 1
- 125000004429 atom Chemical group 0.000 claims 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims 1
- 235000011007 phosphoric acid Nutrition 0.000 description 82
- 239000012071 phase Substances 0.000 description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- 125000001424 substituent group Chemical group 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 229910021653 sulphate ion Inorganic materials 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000003637 basic solution Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 150000003510 tertiary aliphatic amines Chemical class 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003929 acidic solution Substances 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 150000005619 secondary aliphatic amines Chemical class 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- CETWDUZRCINIHU-UHFFFAOYSA-N 2-heptanol Chemical compound CCCCCC(C)O CETWDUZRCINIHU-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000003857 carboxamides Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- SJWFXCIHNDVPSH-UHFFFAOYSA-N octan-2-ol Chemical compound CCCCCCC(C)O SJWFXCIHNDVPSH-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 229910052585 phosphate mineral Inorganic materials 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 1
- WYXKGYXADPUOOM-UHFFFAOYSA-N 5-ethylnonan-2-ol Chemical compound CCCCC(CC)CCC(C)O WYXKGYXADPUOOM-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FARBQUXLIQOIDY-UHFFFAOYSA-M Dioctyldimethylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(C)CCCCCCCC FARBQUXLIQOIDY-UHFFFAOYSA-M 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- YJLYANLCNIKXMG-UHFFFAOYSA-N N-Methyldioctylamine Chemical compound CCCCCCCCN(C)CCCCCCCC YJLYANLCNIKXMG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- KNXDESNJVCJBPB-UHFFFAOYSA-N didecylazanium sulfate Chemical compound S(=O)(=O)([O-])[O-].C(CCCCCCCCC)[NH2+]CCCCCCCCCC.C(CCCCCCCCC)[NH2+]CCCCCCCCCC KNXDESNJVCJBPB-UHFFFAOYSA-N 0.000 description 1
- WLCFKPHMRNPAFZ-UHFFFAOYSA-M didodecyl(dimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCC WLCFKPHMRNPAFZ-UHFFFAOYSA-M 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- QMQQXUKIVNEQCM-UHFFFAOYSA-M dimethyl(dioctyl)azanium;hydroxide Chemical compound [OH-].CCCCCCCC[N+](C)(C)CCCCCCCC QMQQXUKIVNEQCM-UHFFFAOYSA-M 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- IUSOXUFUXZORBF-UHFFFAOYSA-N n,n-dioctyloctan-1-amine;hydrochloride Chemical compound [Cl-].CCCCCCCC[NH+](CCCCCCCC)CCCCCCCC IUSOXUFUXZORBF-UHFFFAOYSA-N 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- WYAFUIFIHBRDCY-UHFFFAOYSA-N n-butyl-n-dodec-1-enyldodec-1-en-1-amine Chemical compound CCCCCCCCCCC=CN(CCCC)C=CCCCCCCCCCC WYAFUIFIHBRDCY-UHFFFAOYSA-N 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 150000003139 primary aliphatic amines Chemical class 0.000 description 1
- 150000003142 primary aromatic amines Chemical class 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 150000003336 secondary aromatic amines Chemical class 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 150000003513 tertiary aromatic amines Chemical class 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- SWZDQOUHBYYPJD-UHFFFAOYSA-N tridodecylamine Chemical compound CCCCCCCCCCCCN(CCCCCCCCCCCC)CCCCCCCCCCCC SWZDQOUHBYYPJD-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- C01B25/2372—Anionic impurities, e.g. silica or boron compounds
-
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/466—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being a nitrogenous solvent or a mixture of nitrogenous solvents such as amines or amides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US260029A US3367749A (en) | 1963-02-20 | 1963-02-20 | Purifying phosphoric acid using an amine extractant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1277221B true DE1277221B (de) | 1968-09-12 |
Family
ID=22987525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEM59977A Withdrawn DE1277221B (de) | 1963-02-20 | 1964-02-19 | Verfahren zur Reinigung von Phosphorsaeure |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US3367749A (en, 2012) |
| BE (1) | BE644142A (en, 2012) |
| DE (1) | DE1277221B (en, 2012) |
| ES (1) | ES296612A1 (en, 2012) |
| GB (1) | GB1043825A (en, 2012) |
| NL (1) | NL6401600A (en, 2012) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2527970A1 (de) * | 1974-06-25 | 1976-01-08 | Ugine Kuhlmann | Verfahren zum reinigen von phosphorsaeure |
| DE2952476A1 (de) * | 1979-12-27 | 1981-07-02 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gewinnung von uran bzw. uranverbindungen aus phosphorsaeure |
| DE2952475A1 (de) * | 1979-12-27 | 1981-07-02 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gewinnung von uran bzw. uranverbindungen aus phosphorsaeure |
| DE3311245A1 (de) * | 1983-03-28 | 1984-10-04 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur abtrennung von uran aus phosphorsaeuren |
| DE3330224A1 (de) * | 1983-08-22 | 1985-03-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen |
| DE3341073A1 (de) * | 1983-11-12 | 1985-05-23 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gleichzeitigen abtrennung von cadmium-ii- und uran iv- ionen aus phosphorsaeure durch gemeinsame extraktion |
| DE102016212242A1 (de) | 2016-07-05 | 2018-01-11 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
Families Citing this family (30)
| 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 |
| US3437454A (en) * | 1966-04-26 | 1969-04-08 | Kerr Mc Gee Chem Corp | Vanadium recovery from wet process phosphoric acid using alpha-hydroxy oximes |
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| US3506398A (en) * | 1968-11-06 | 1970-04-14 | Monsanto Co | Purification of phosphate values with respect to iron |
| US3661513A (en) * | 1970-08-14 | 1972-05-09 | Cities Service Co | Manufacture of alkali metal phosphates |
| US3734696A (en) * | 1970-09-04 | 1973-05-22 | Kerr Mc Gee Chem Corp | Vanadium recovery from acidic solutions |
| US3991165A (en) * | 1973-06-23 | 1976-11-09 | Occidental Petroleum Corporation | Process for the purification of phosphoric acid using amines |
| US3911087A (en) * | 1973-10-19 | 1975-10-07 | Freeport Minerals Co | Selective solvent extraction of sulfate impurities from phosphoric acid |
| US4108963A (en) * | 1974-06-25 | 1978-08-22 | Produits Chimiques Ugine Kuhlmann | Process for purifying phosphoric acid |
| FR2281892A1 (fr) * | 1974-08-13 | 1976-03-12 | Rhone Poulenc Ind | Procede de defluoration d'acide phosphorique |
| US3969483A (en) * | 1974-11-07 | 1976-07-13 | Tennessee Valley Authority | Removal of carbonaceous matter from ammonium polyphosphate liquids |
| US3972982A (en) * | 1975-03-03 | 1976-08-03 | Monsanto Company | Process for removing fluorine compounds from phosphoric acid |
| US4082836A (en) * | 1975-07-02 | 1978-04-04 | Occidental Petroleum Corporation | Process for the purification of phosphoric acid by extraction |
| US4053564A (en) * | 1976-05-20 | 1977-10-11 | Occidental Petroleum Company | Extraction process for purification of phosphoric acid |
| USRE31629E (en) * | 1976-05-20 | 1984-07-10 | Occidental Petroleum Corporation | Extraction process for purification of phosphoric acid |
| US4285924A (en) * | 1979-04-04 | 1981-08-25 | National Research Development Corp. | Separation of acids |
| IL63097A0 (en) * | 1981-06-15 | 1981-09-13 | Yissum Res Dev Co | A process and extractant for removing fluorine compounds from aqueous phosphoric acid |
| FR2520342A1 (fr) * | 1982-01-25 | 1983-07-29 | Rhone Poulenc Chim Base | Procede de purification d'acide phosphorique de voie humide |
| 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 |
| DE3327394A1 (de) * | 1982-05-18 | 1985-02-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
| US4543239A (en) * | 1984-08-21 | 1985-09-24 | International Minerals & Chemical Corp. | Phosphoric acid extraction process |
| US5006319A (en) * | 1988-03-04 | 1991-04-09 | Fmc Corporation | Process for removing iron, chromium and vanadium from phosphoric acid |
| DE3906633A1 (de) * | 1989-03-02 | 1990-09-06 | Basf Ag | Verfahren zur abtrennung von phosphorsaeure aus waessrigen loesungen von thiaminphosphaten |
| DE4010778A1 (de) * | 1989-05-26 | 1990-11-29 | Budenheim Rud A Oetker Chemie | Verbessertes verfahren zum entfernen von cadmium-ionen aus nassverfahrensphosphorsaeure |
| AU2008224486B2 (en) | 2007-03-15 | 2011-10-20 | Hcl Cleantech Ltd. | A process for the recovery of HCl from a dilute solution thereof |
| WO2010026572A1 (en) | 2008-09-02 | 2010-03-11 | Hcl Cleantech Ltd. | A process for the production of hcl gas from chloride salts and for the production of carbohydrates |
| IL195646A0 (en) | 2008-12-02 | 2009-09-01 | Aharon Eyal | A process for the recovery of hydrochloric acid |
| EP2435364B1 (en) * | 2009-05-27 | 2015-05-06 | Easymining Sweden AB | Production of ammonium phosphates |
| CN106348273B (zh) * | 2016-08-17 | 2018-01-09 | 湖北三宁化工股份有限公司 | 一种盐酸法制工业磷酸的萃取剂及其萃取方法 |
| MA55012A (fr) | 2019-02-21 | 2021-12-29 | Univ Amsterdam | Procédé de récupération d'acide phosphorique provenant de sources de phosphore solides |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1929443A (en) * | 1930-08-26 | 1933-10-10 | American Agricultural Chem Co | Process for obtaining alkali metal phosphates |
| US2493915A (en) * | 1946-01-10 | 1950-01-10 | Kansas City Testing Lab | Phosphoric acid |
| US2567156A (en) * | 1947-12-31 | 1951-09-04 | Monsanto Chemicals | Corrosion inhibitor for concentrated phosphoric acid |
| US2676705A (en) * | 1951-12-27 | 1954-04-27 | Attapulgus Minerals & Chemical | Concentration of phosphate ores |
| US2870207A (en) * | 1957-01-29 | 1959-01-20 | Rohm & Haas | Secondary aliphatic amines containing tertiary carbon atoms |
| US2955932A (en) * | 1957-04-22 | 1960-10-11 | Kerr Mc Gee Oil Ind Inc | Hydrometallurgical process |
| US2968528A (en) * | 1957-07-01 | 1961-01-17 | Int Minerals & Chem Corp | Process for producing clarified phosphoric acid |
| US3129170A (en) * | 1960-10-25 | 1964-04-14 | Int Minerals & Chem Corp | Process for the clarification of an acidic inorganic phosphatic solution |
| US3186809A (en) * | 1961-08-10 | 1965-06-01 | Gen Mills Inc | Extraction of mineral acids using dodecylphenol |
| US3367749A (en) * | 1963-02-20 | 1968-02-06 | Monsanto Co | Purifying phosphoric acid using an amine extractant |
-
1963
- 1963-02-20 US US260029A patent/US3367749A/en not_active Expired - Lifetime
-
1964
- 1964-02-19 ES ES296612A patent/ES296612A1/es not_active Expired
- 1964-02-19 DE DEM59977A patent/DE1277221B/de not_active Withdrawn
- 1964-02-20 GB GB7093/64A patent/GB1043825A/en not_active Expired
- 1964-02-20 BE BE644142A patent/BE644142A/xx unknown
- 1964-02-20 NL NL6401600A patent/NL6401600A/xx unknown
-
1967
- 1967-08-16 US US660900A patent/US3458282A/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2527970A1 (de) * | 1974-06-25 | 1976-01-08 | Ugine Kuhlmann | Verfahren zum reinigen von phosphorsaeure |
| DE2952476A1 (de) * | 1979-12-27 | 1981-07-02 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gewinnung von uran bzw. uranverbindungen aus phosphorsaeure |
| DE2952475A1 (de) * | 1979-12-27 | 1981-07-02 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gewinnung von uran bzw. uranverbindungen aus phosphorsaeure |
| DE3311245A1 (de) * | 1983-03-28 | 1984-10-04 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur abtrennung von uran aus phosphorsaeuren |
| DE3330224A1 (de) * | 1983-08-22 | 1985-03-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen |
| DE3341073A1 (de) * | 1983-11-12 | 1985-05-23 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gleichzeitigen abtrennung von cadmium-ii- und uran iv- ionen aus phosphorsaeure durch gemeinsame extraktion |
| DE102016212242A1 (de) | 2016-07-05 | 2018-01-11 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
| DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
Also Published As
| Publication number | Publication date |
|---|---|
| US3458282A (en) | 1969-07-29 |
| GB1043825A (en) | 1966-09-28 |
| ES296612A1 (es) | 1964-07-16 |
| US3367749A (en) | 1968-02-06 |
| BE644142A (en, 2012) | 1964-08-20 |
| NL6401600A (en, 2012) | 1964-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |