DE1287053C2 - Verfahren zur Entfernung von Flour aus Phosphorsaeure - Google Patents
Verfahren zur Entfernung von Flour aus PhosphorsaeureInfo
- Publication number
- DE1287053C2 DE1287053C2 DE1965E0030531 DEE0030531A DE1287053C2 DE 1287053 C2 DE1287053 C2 DE 1287053C2 DE 1965E0030531 DE1965E0030531 DE 1965E0030531 DE E0030531 A DEE0030531 A DE E0030531A DE 1287053 C2 DE1287053 C2 DE 1287053C2
- Authority
- DE
- Germany
- Prior art keywords
- fluorine
- phosphoric acid
- content
- talc
- 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
- 239000011737 fluorine Substances 0.000 title claims description 42
- 229910052731 fluorine Inorganic materials 0.000 title claims description 42
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 15
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 41
- 150000004760 silicates Chemical class 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000000391 magnesium silicate Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011541 reaction mixture Substances 0.000 claims description 2
- 235000012243 magnesium silicates Nutrition 0.000 claims 1
- 235000011007 phosphoric acid Nutrition 0.000 description 15
- 239000000454 talc Substances 0.000 description 9
- 229910052623 talc Inorganic materials 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 239000010440 gypsum Substances 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000029087 digestion Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 150000002222 fluorine compounds Chemical class 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 150000003016 phosphoric acids Chemical class 0.000 description 4
- 239000002367 phosphate rock Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 2
- 229910052919 magnesium silicate Inorganic materials 0.000 description 2
- 235000019792 magnesium silicate Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-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
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- -1 iron aluminum silicates Chemical class 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002459 sustained effect Effects 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
- C01B25/2375—Fluoride or fluosilicate anion
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6413920A NL151045B (nl) | 1964-11-30 | 1964-11-30 | Werkwijze voor het verwijderen van fluor uit fosforzuur. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1287053B DE1287053B (de) | 1969-01-16 |
| DE1287053C2 true DE1287053C2 (de) | 1973-12-20 |
Family
ID=19791540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1965E0030531 Expired DE1287053C2 (de) | 1964-11-30 | 1965-11-25 | Verfahren zur Entfernung von Flour aus Phosphorsaeure |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4811475B1 (Direct) |
| BE (1) | BE672707A (Direct) |
| DE (1) | DE1287053C2 (Direct) |
| DK (1) | DK109385C (Direct) |
| FI (1) | FI45315C (Direct) |
| FR (1) | FR1456263A (Direct) |
| GB (1) | GB1127247A (Direct) |
| NL (1) | NL151045B (Direct) |
| SE (1) | SE319757C (Direct) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3718729A (en) * | 1971-03-15 | 1973-02-27 | American Cyanamid Co | Defluorination of wet process phosphoric acid |
| DE2719701C3 (de) * | 1976-05-06 | 1986-10-02 | W.R. Grace & Co., New York, N.Y. | Verfahren zur Überführung von Naßphosphorsäure in eine nicht zu Ausfällungen neigende konzentrierte Phosphorsäure |
| AU499517B2 (en) * | 1978-03-06 | 1979-04-26 | W. R. Grace & Co | Treating wet-process phosphoric acid |
| US4311681A (en) | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
| DE3913853A1 (de) * | 1989-04-27 | 1990-10-31 | Hoechst Ag | Verfahren zur aufarbeitung von phosphorsaeure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2123785A (en) * | 1936-03-02 | 1938-07-12 | Victor Chemical Works | Removal of fluorine from phosphoric acid |
-
1964
- 1964-11-30 NL NL6413920A patent/NL151045B/xx unknown
-
1965
- 1965-11-23 BE BE672707D patent/BE672707A/xx unknown
- 1965-11-23 GB GB4978465A patent/GB1127247A/en not_active Expired
- 1965-11-24 SE SE6515188A patent/SE319757C/xx unknown
- 1965-11-25 DE DE1965E0030531 patent/DE1287053C2/de not_active Expired
- 1965-11-27 DK DK610865A patent/DK109385C/da active
- 1965-11-29 FI FI287765A patent/FI45315C/fi active
- 1965-11-29 FR FR40063A patent/FR1456263A/fr not_active Expired
- 1965-11-30 JP JP7318965A patent/JPS4811475B1/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2123785A (en) * | 1936-03-02 | 1938-07-12 | Victor Chemical Works | Removal of fluorine from phosphoric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| FI45315C (fi) | 1972-05-10 |
| DE1287053B (de) | 1969-01-16 |
| SE319757C (Direct) | 1975-06-30 |
| DK109385C (da) | 1968-04-22 |
| NL151045B (nl) | 1976-10-15 |
| SE319757B (Direct) | 1970-01-26 |
| FR1456263A (fr) | 1966-10-21 |
| BE672707A (Direct) | 1966-03-16 |
| GB1127247A (en) | 1968-09-18 |
| FI45315B (Direct) | 1972-01-31 |
| NL6413920A (Direct) | 1966-05-31 |
| JPS4811475B1 (Direct) | 1973-04-13 |
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| DE1287053C2 (de) | Verfahren zur Entfernung von Flour aus Phosphorsaeure | |
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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 |