BE707232A - - Google Patents
Info
- Publication number
- BE707232A BE707232A BE707232DA BE707232A BE 707232 A BE707232 A BE 707232A BE 707232D A BE707232D A BE 707232DA BE 707232 A BE707232 A BE 707232A
- Authority
- BE
- Belgium
- Prior art keywords
- extraction
- acid
- solvent
- hydrochloric acid
- phosphoric acid
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 99
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 76
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 45
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 42
- 239000002904 solvent Substances 0.000 claims description 33
- 238000000605 extraction Methods 0.000 claims description 31
- 239000008346 aqueous phase Substances 0.000 claims description 27
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 25
- 239000001110 calcium chloride Substances 0.000 claims description 25
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 25
- 235000011148 calcium chloride Nutrition 0.000 claims description 25
- 229910019142 PO4 Inorganic materials 0.000 claims description 18
- 239000010452 phosphate Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000000354 decomposition reaction Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000012071 phase Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 238000004821 distillation Methods 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 7
- 239000002367 phosphate rock Substances 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 239000006286 aqueous extract Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000000623 heterocyclic group Chemical group 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 241001331845 Equus asinus x caballus Species 0.000 claims 1
- 125000003368 amide group Chemical group 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 125000000468 ketone group Chemical group 0.000 claims 1
- 235000011007 phosphoric acid Nutrition 0.000 description 54
- 235000021317 phosphate Nutrition 0.000 description 13
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- 238000000638 solvent extraction Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 4
- -1 aliphatic alcohols Chemical class 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 244000105975 Antidesma platyphyllum Species 0.000 description 1
- 235000004559 Antidesma platyphyllum var. platyphyllum Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- 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)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27918263A | 1963-05-09 | 1963-05-09 | |
| US279156A US3338674A (en) | 1963-05-09 | 1963-05-09 | Process for preparation of substantially pure phosphoric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE707232A true BE707232A (d) | 1968-03-01 |
Family
ID=26959491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE707232D BE707232A (d) | 1963-05-09 | 1967-11-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE707232A (d) |
| FR (1) | FR1396077A (d) |
| NL (1) | NL6405142A (d) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE366972B (d) * | 1970-06-12 | 1974-05-13 | Azote & Prod Chim | |
| US7687046B2 (en) | 2002-06-28 | 2010-03-30 | Ecophos | Method of producing phosphoric acid salt |
| BE1015013A3 (fr) | 2002-06-28 | 2004-08-03 | Ecophos | Procede de production d'acide phosphorique et/ou d'un sel de celui-ci et produits ainsi obtenus. |
-
1964
- 1964-05-08 NL NL6405142A patent/NL6405142A/xx unknown
- 1964-05-08 FR FR973802A patent/FR1396077A/fr not_active Expired
-
1967
- 1967-11-29 BE BE707232D patent/BE707232A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1396077A (fr) | 1965-04-16 |
| NL6405142A (d) | 1964-11-10 |
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