CA1043535A - Process for the preparation of purified phosphoric solutions from phosphoric acid in a wet way - Google Patents
Process for the preparation of purified phosphoric solutions from phosphoric acid in a wet wayInfo
- Publication number
- CA1043535A CA1043535A CA219,158A CA219158A CA1043535A CA 1043535 A CA1043535 A CA 1043535A CA 219158 A CA219158 A CA 219158A CA 1043535 A CA1043535 A CA 1043535A
- Authority
- CA
- Canada
- Prior art keywords
- phosphoric acid
- solution
- aqueous solution
- process according
- 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 abstract description 127
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000008569 process Effects 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 52
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 33
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 33
- 239000001117 sulphuric acid Substances 0.000 claims abstract description 32
- 239000007864 aqueous solution Substances 0.000 claims abstract description 31
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 29
- 239000003960 organic solvent Substances 0.000 claims abstract description 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 17
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 14
- 239000001175 calcium sulphate Substances 0.000 claims abstract description 14
- 235000011132 calcium sulphate Nutrition 0.000 claims abstract description 14
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- -1 sulphate ions Chemical class 0.000 claims abstract description 9
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 6
- 229940035429 isobutyl alcohol Drugs 0.000 claims abstract description 3
- 235000011007 phosphoric acid Nutrition 0.000 claims description 60
- 229960004838 phosphoric acid Drugs 0.000 claims description 59
- 229910001868 water Inorganic materials 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- 229910019142 PO4 Inorganic materials 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000012071 phase Substances 0.000 claims description 10
- 239000010452 phosphate Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 8
- 230000003472 neutralizing effect Effects 0.000 claims description 8
- 239000001506 calcium phosphate Substances 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
- 239000003513 alkali Substances 0.000 claims description 3
- 239000008346 aqueous phase Substances 0.000 claims description 3
- 239000007900 aqueous suspension Substances 0.000 claims description 3
- 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 3
- 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 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 3
- 230000000576 supplementary effect Effects 0.000 claims 3
- 150000003868 ammonium compounds Chemical class 0.000 claims 1
- 229910000389 calcium phosphate Inorganic materials 0.000 claims 1
- 235000011010 calcium phosphates Nutrition 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 abstract description 13
- 229910000403 monosodium phosphate Inorganic materials 0.000 abstract description 9
- 235000019799 monosodium phosphate Nutrition 0.000 abstract description 9
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 abstract description 9
- 239000001488 sodium phosphate Substances 0.000 abstract description 9
- 238000000622 liquid--liquid extraction Methods 0.000 abstract description 2
- 238000000638 solvent extraction Methods 0.000 abstract description 2
- 235000021317 phosphate Nutrition 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 6
- 235000001465 calcium Nutrition 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 229960005069 calcium Drugs 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 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
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material 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
- UAOUIVVJBYDFKD-XKCDOFEDSA-N (1R,9R,10S,11R,12R,15S,18S,21R)-10,11,21-trihydroxy-8,8-dimethyl-14-methylidene-4-(prop-2-enylamino)-20-oxa-5-thia-3-azahexacyclo[9.7.2.112,15.01,9.02,6.012,18]henicosa-2(6),3-dien-13-one Chemical compound C([C@@H]1[C@@H](O)[C@@]23C(C1=C)=O)C[C@H]2[C@]12C(N=C(NCC=C)S4)=C4CC(C)(C)[C@H]1[C@H](O)[C@]3(O)OC2 UAOUIVVJBYDFKD-XKCDOFEDSA-N 0.000 description 1
- GRYSXUXXBDSYRT-WOUKDFQISA-N (2r,3r,4r,5r)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052925 anhydrite Inorganic materials 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
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- NQLVQOSNDJXLKG-UHFFFAOYSA-N prosulfocarb Chemical compound CCCN(CCC)C(=O)SCC1=CC=CC=C1 NQLVQOSNDJXLKG-UHFFFAOYSA-N 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229940116269 uric acid Drugs 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 (enrdf_load_stackoverflow) | 1974-02-01 | 1974-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1043535A true CA1043535A (en) | 1978-12-05 |
Family
ID=9134358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA219,158A Expired CA1043535A (en) | 1974-02-01 | 1975-01-31 | Process for the preparation of purified phosphoric solutions from phosphoric acid in a wet way |
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 IE IE19775A patent/IE40576B1/xx unknown
- 1975-01-31 NL NL7501173A patent/NL7501173A/xx not_active Application Discontinuation
- 1975-01-31 ES ES434309A patent/ES434309A1/es not_active Expired
- 1975-01-31 CA CA219,158A patent/CA1043535A/en not_active Expired
- 1975-01-31 IT IT4794875A patent/IT1029423B/it active
- 1975-01-31 GB GB433675A patent/GB1472970A/en not_active Expired
- 1975-01-31 BE BE152973A patent/BE825085A/xx unknown
- 1975-01-31 DD DD18394175A patent/DD116446A5/xx unknown
- 1975-01-31 JP JP1326775A patent/JPS50123595A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50123595A (enrdf_load_stackoverflow) | 1975-09-29 |
| IT1029423B (it) | 1979-03-10 |
| GB1472970A (en) | 1977-05-11 |
| IE40576B1 (en) | 1979-07-04 |
| BE825085A (fr) | 1975-07-31 |
| FR2259787A1 (enrdf_load_stackoverflow) | 1975-08-29 |
| NL7501173A (nl) | 1975-08-05 |
| DD116446A5 (enrdf_load_stackoverflow) | 1975-11-20 |
| AU7777475A (en) | 1976-08-05 |
| IE40576L (en) | 1975-08-01 |
| DE2503843B2 (de) | 1979-08-02 |
| FR2259787B1 (enrdf_load_stackoverflow) | 1977-09-16 |
| ES434309A1 (es) | 1976-11-16 |
| DE2503843A1 (de) | 1975-08-07 |
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