DE2503843B2 - Verfahren zum Reinigen von Phosphorsäure aus dem Rohphosphat-Aufschluß - Google Patents
Verfahren zum Reinigen von Phosphorsäure aus dem Rohphosphat-AufschlußInfo
- Publication number
- DE2503843B2 DE2503843B2 DE19752503843 DE2503843A DE2503843B2 DE 2503843 B2 DE2503843 B2 DE 2503843B2 DE 19752503843 DE19752503843 DE 19752503843 DE 2503843 A DE2503843 A DE 2503843A DE 2503843 B2 DE2503843 B2 DE 2503843B2
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- sulfuric acid
- calcium
- reactor
- solvent phase
- 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.)
- Ceased
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 117
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 58
- 238000000034 method Methods 0.000 title claims description 20
- 229910019142 PO4 Inorganic materials 0.000 title claims description 9
- 239000010452 phosphate Substances 0.000 title claims description 7
- 230000029087 digestion Effects 0.000 title description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title description 8
- 238000000746 purification Methods 0.000 title description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 73
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 28
- 239000002904 solvent Substances 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 229910001868 water Inorganic materials 0.000 claims description 22
- 238000000605 extraction Methods 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000001506 calcium phosphate Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 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 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 4
- 235000011010 calcium phosphates Nutrition 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 235000011132 calcium sulphate Nutrition 0.000 claims 1
- 239000012071 phase Substances 0.000 description 18
- 239000008346 aqueous phase Substances 0.000 description 11
- 239000000725 suspension Substances 0.000 description 11
- 239000011575 calcium Substances 0.000 description 8
- 229910052791 calcium Inorganic materials 0.000 description 7
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 7
- 235000019799 monosodium phosphate Nutrition 0.000 description 7
- 239000012074 organic phase Substances 0.000 description 7
- 235000021317 phosphate Nutrition 0.000 description 7
- 239000002367 phosphate rock Substances 0.000 description 7
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 7
- 239000001488 sodium phosphate Substances 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 229910052602 gypsum Inorganic materials 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000007900 aqueous suspension Substances 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 2
- 235000019731 tricalcium phosphate Nutrition 0.000 description 2
- 229940078499 tricalcium phosphate Drugs 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001140714 Citrus latifolia Species 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
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- -1 alkaline earth metal sulfates Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910021653 sulphate 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403399A FR2259787B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-01 | 1974-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2503843A1 DE2503843A1 (de) | 1975-08-07 |
| DE2503843B2 true DE2503843B2 (de) | 1979-08-02 |
Family
ID=9134358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752503843 Ceased DE2503843B2 (de) | 1974-02-01 | 1975-01-30 | Verfahren zum Reinigen von Phosphorsäure aus dem Rohphosphat-Aufschluß |
Country Status (11)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2657189B2 (de) * | 1976-12-17 | 1980-02-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von NaBverfahrensphosphorsäure |
| US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
| IL69426A (en) * | 1983-08-03 | 1986-10-31 | Negev Phosphates Ltd | Process for the manufacture of purified phosphoric acid |
| DE3347421A1 (de) * | 1983-12-29 | 1985-07-11 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von fluorarmen alkaliphosphatloesungen |
-
1974
- 1974-02-01 FR FR7403399A patent/FR2259787B1/fr not_active Expired
-
1975
- 1975-01-30 DE DE19752503843 patent/DE2503843B2/de not_active Ceased
- 1975-01-31 CA CA219,158A patent/CA1043535A/en not_active Expired
- 1975-01-31 JP JP1326775A patent/JPS50123595A/ja active Pending
- 1975-01-31 DD DD18394175A patent/DD116446A5/xx unknown
- 1975-01-31 IE IE19775A patent/IE40576B1/xx unknown
- 1975-01-31 NL NL7501173A patent/NL7501173A/xx not_active Application Discontinuation
- 1975-01-31 BE BE152973A patent/BE825085A/xx unknown
- 1975-01-31 IT IT4794875A patent/IT1029423B/it active
- 1975-01-31 GB GB433675A patent/GB1472970A/en not_active Expired
- 1975-01-31 ES ES434309A patent/ES434309A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1472970A (en) | 1977-05-11 |
| NL7501173A (nl) | 1975-08-05 |
| IT1029423B (it) | 1979-03-10 |
| BE825085A (fr) | 1975-07-31 |
| FR2259787B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-09-16 |
| IE40576B1 (en) | 1979-07-04 |
| DD116446A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-20 |
| IE40576L (en) | 1975-08-01 |
| FR2259787A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-08-29 |
| ES434309A1 (es) | 1976-11-16 |
| AU7777475A (en) | 1976-08-05 |
| DE2503843A1 (de) | 1975-08-07 |
| CA1043535A (en) | 1978-12-05 |
| JPS50123595A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |