DE2047261C3 - Verfahren zur Entfernung von Eisen aus Phosphorsäure - Google Patents
Verfahren zur Entfernung von Eisen aus PhosphorsäureInfo
- Publication number
- DE2047261C3 DE2047261C3 DE2047261A DE2047261A DE2047261C3 DE 2047261 C3 DE2047261 C3 DE 2047261C3 DE 2047261 A DE2047261 A DE 2047261A DE 2047261 A DE2047261 A DE 2047261A DE 2047261 C3 DE2047261 C3 DE 2047261C3
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- barium
- ions
- iron
- acid
- 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
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 132
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 66
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 58
- 229910052742 iron Inorganic materials 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 31
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 23
- 229910001422 barium ion Inorganic materials 0.000 claims description 20
- -1 iron ions Chemical class 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 8
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 64
- 239000002244 precipitate Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 9
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 229910052788 barium Inorganic materials 0.000 description 5
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 5
- 239000012074 organic phase Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 3
- 229910001863 barium hydroxide Inorganic materials 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000002367 phosphate rock Substances 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- WAKZZMMCDILMEF-UHFFFAOYSA-H barium(2+);diphosphate Chemical compound [Ba+2].[Ba+2].[Ba+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O WAKZZMMCDILMEF-UHFFFAOYSA-H 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 238000000209 wet digestion Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000011162 ammonium carbonates Nutrition 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 150000001553 barium compounds Chemical class 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 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
- C01B25/46—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
-
- 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
-
- 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
- C01B25/462—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 alcohol or a mixture of alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2047261A DE2047261C3 (de) | 1970-09-25 | 1970-09-25 | Verfahren zur Entfernung von Eisen aus Phosphorsäure |
| GB4136171A GB1314281A (en) | 1970-09-25 | 1971-09-06 | Removal of iron from phosphoric acid |
| BE772743A BE772743A (fr) | 1970-09-25 | 1971-09-17 | Procede pour eliminer le fer de l'acide phosphorique, et produits obtenus |
| FR7134330A FR2108490A5 (https=) | 1970-09-25 | 1971-09-17 | |
| IT28836/71A IT938820B (it) | 1970-09-25 | 1971-09-20 | Procedimento per eliminare il ferro dall acido fosforico |
| US00182240A US3784678A (en) | 1970-09-25 | 1971-09-20 | Process for removing iron from phosphoric acid |
| NL7113054A NL7113054A (https=) | 1970-09-25 | 1971-09-23 | |
| SE7112120A SE370380B (https=) | 1970-09-25 | 1971-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2047261A DE2047261C3 (de) | 1970-09-25 | 1970-09-25 | Verfahren zur Entfernung von Eisen aus Phosphorsäure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2047261A1 DE2047261A1 (de) | 1972-03-30 |
| DE2047261B2 DE2047261B2 (de) | 1974-11-28 |
| DE2047261C3 true DE2047261C3 (de) | 1975-07-17 |
Family
ID=5783392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2047261A Expired DE2047261C3 (de) | 1970-09-25 | 1970-09-25 | Verfahren zur Entfernung von Eisen aus Phosphorsäure |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3784678A (https=) |
| BE (1) | BE772743A (https=) |
| DE (1) | DE2047261C3 (https=) |
| FR (1) | FR2108490A5 (https=) |
| GB (1) | GB1314281A (https=) |
| IT (1) | IT938820B (https=) |
| NL (1) | NL7113054A (https=) |
| SE (1) | SE370380B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070443A (en) * | 1976-02-13 | 1978-01-24 | Toyo Soda Manufacturing Co., Ltd. | Process for removing sulfate ions from extracted phosphoric acid with a barium compound |
| JPS5297389A (en) * | 1976-02-13 | 1977-08-16 | Toyo Soda Mfg Co Ltd | Removal of sulfate ion in extracted phosphoric acid |
| US4190634A (en) * | 1978-05-08 | 1980-02-26 | Monsanto Company | Purifying phosphoric acid by extraction with an aliphatic nitrile |
| FR2437377A1 (fr) * | 1978-09-29 | 1980-04-25 | Rhone Poulenc Ind | Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire |
| WO2022182909A1 (en) * | 2021-02-25 | 2022-09-01 | Jesa Technologies Llc | Method for removing heavy metals in the manufacture of phosphoric acid |
-
1970
- 1970-09-25 DE DE2047261A patent/DE2047261C3/de not_active Expired
-
1971
- 1971-09-06 GB GB4136171A patent/GB1314281A/en not_active Expired
- 1971-09-17 BE BE772743A patent/BE772743A/xx unknown
- 1971-09-17 FR FR7134330A patent/FR2108490A5/fr not_active Expired
- 1971-09-20 US US00182240A patent/US3784678A/en not_active Expired - Lifetime
- 1971-09-20 IT IT28836/71A patent/IT938820B/it active
- 1971-09-23 NL NL7113054A patent/NL7113054A/xx unknown
- 1971-09-24 SE SE7112120A patent/SE370380B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT938820B (it) | 1973-02-10 |
| DE2047261B2 (de) | 1974-11-28 |
| US3784678A (en) | 1974-01-08 |
| DE2047261A1 (de) | 1972-03-30 |
| BE772743A (fr) | 1972-01-17 |
| SE370380B (https=) | 1974-10-14 |
| NL7113054A (https=) | 1972-03-28 |
| GB1314281A (en) | 1973-04-18 |
| FR2108490A5 (https=) | 1972-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8330 | Complete disclaimer |