CA1043536A - Method of defluorinating phosphoric acid - Google Patents
Method of defluorinating phosphoric acidInfo
- Publication number
- CA1043536A CA1043536A CA233,287A CA233287A CA1043536A CA 1043536 A CA1043536 A CA 1043536A CA 233287 A CA233287 A CA 233287A CA 1043536 A CA1043536 A CA 1043536A
- Authority
- CA
- Canada
- Prior art keywords
- phosphoric acid
- solution
- acid
- organic solvent
- fluorine
- 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 169
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 60
- 235000011007 phosphoric acid Nutrition 0.000 claims abstract description 84
- 229960004838 phosphoric acid Drugs 0.000 claims abstract description 84
- 239000000243 solution Substances 0.000 claims abstract description 44
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 29
- 239000011737 fluorine Substances 0.000 claims abstract description 29
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000008346 aqueous phase Substances 0.000 claims abstract description 21
- 239000003960 organic solvent Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 229910001868 water Inorganic materials 0.000 claims abstract description 18
- 150000002222 fluorine compounds Chemical class 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 239000012074 organic phase Substances 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 23
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 7
- -1 aluminum compound Chemical class 0.000 claims description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229940035429 isobutyl alcohol Drugs 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 239000001117 sulphuric acid Substances 0.000 claims description 5
- 235000011149 sulphuric acid Nutrition 0.000 claims description 5
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 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
- 239000001175 calcium sulphate Substances 0.000 claims description 3
- 235000011132 calcium sulphate Nutrition 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000622 liquid--liquid extraction Methods 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical group C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- 239000001506 calcium phosphate Substances 0.000 claims description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 2
- 235000011010 calcium phosphates Nutrition 0.000 claims description 2
- 150000002505 iron Chemical class 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- 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 2
- 150000002736 metal compounds Chemical class 0.000 claims 3
- 229910052593 corundum Inorganic materials 0.000 claims 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 2
- 229910001463 metal phosphate Inorganic materials 0.000 claims 1
- 150000003016 phosphoric acids Chemical class 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 239000012467 final product Substances 0.000 abstract description 5
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract description 2
- 229940060037 fluorine Drugs 0.000 description 24
- 235000019000 fluorine Nutrition 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 230000008929 regeneration Effects 0.000 description 8
- 238000011069 regeneration method Methods 0.000 description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 235000021317 phosphate Nutrition 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 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 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 229940093635 tributyl phosphate Drugs 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 239000007900 aqueous suspension Substances 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
- 125000002091 cationic group Chemical group 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000006115 defluorination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 101150034533 ATIC gene Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 101150088365 intG gene Proteins 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000029305 taxis 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7428029A FR2281892A1 (fr) | 1974-08-13 | 1974-08-13 | Procede de defluoration d'acide phosphorique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1043536A true CA1043536A (en) | 1978-12-05 |
Family
ID=9142370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA233,287A Expired CA1043536A (en) | 1974-08-13 | 1975-08-12 | Method of defluorinating phosphoric acid |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4065547A (enExample) |
| JP (1) | JPS5145695A (enExample) |
| BE (1) | BE832369A (enExample) |
| CA (1) | CA1043536A (enExample) |
| DD (1) | DD119386A5 (enExample) |
| DE (1) | DE2535971B2 (enExample) |
| ES (1) | ES440190A1 (enExample) |
| FR (1) | FR2281892A1 (enExample) |
| GB (1) | GB1476560A (enExample) |
| IE (1) | IE42047B1 (enExample) |
| IT (1) | IT1041108B (enExample) |
| NL (1) | NL7509601A (enExample) |
| ZA (1) | ZA755185B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575882B2 (enExample) * | 1973-09-04 | 1982-02-02 | ||
| US4132765A (en) * | 1975-06-26 | 1979-01-02 | E. I. Du Pont De Nemours And Company | Recovery of fluoride values |
| US4197280A (en) * | 1978-10-02 | 1980-04-08 | Stauffer Chemical Company | Wet process phosphoric acid purification |
| US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
| DE3328499A1 (de) * | 1983-08-06 | 1985-02-14 | Hoechst Ag, 6230 Frankfurt | Verfahren zur verminderung des fluorgehaltes einer nassverfahrensphosphorsaeure |
| CN115285954B (zh) * | 2022-08-12 | 2023-10-27 | 宜都兴发化工有限公司 | 一种提高湿法磷酸生产浓缩工段氟收率的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367749A (en) * | 1963-02-20 | 1968-02-06 | Monsanto Co | Purifying phosphoric acid using an amine extractant |
| US3361527A (en) * | 1964-02-13 | 1968-01-02 | Monsanto Co | Process for separating iron from phosphoric acid containing the same |
| NL6604002A (enExample) * | 1965-03-25 | 1966-09-26 | ||
| US3410656A (en) * | 1966-06-01 | 1968-11-12 | Fmc Corp | Phosphoric acid purification |
| IL27538A (en) * | 1967-03-06 | 1970-09-17 | Blumberg R | Cleaning of phosphoric acid |
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| US3867511A (en) * | 1972-12-20 | 1975-02-18 | United States Steel Corp | Solvent extraction of h{hd 3{b po{hd 4 |
-
1974
- 1974-08-13 FR FR7428029A patent/FR2281892A1/fr active Granted
-
1975
- 1975-07-31 IT IT7550774A patent/IT1041108B/it active
- 1975-08-11 US US05/603,732 patent/US4065547A/en not_active Expired - Lifetime
- 1975-08-11 GB GB3340275A patent/GB1476560A/en not_active Expired
- 1975-08-12 DE DE2535971A patent/DE2535971B2/de not_active Ceased
- 1975-08-12 JP JP50098006A patent/JPS5145695A/ja active Granted
- 1975-08-12 ZA ZA00755185A patent/ZA755185B/xx unknown
- 1975-08-12 CA CA233,287A patent/CA1043536A/en not_active Expired
- 1975-08-12 NL NL7509601A patent/NL7509601A/xx not_active Application Discontinuation
- 1975-08-12 IE IE1795/75A patent/IE42047B1/en unknown
- 1975-08-12 DD DD187807A patent/DD119386A5/xx unknown
- 1975-08-12 BE BE159150A patent/BE832369A/xx not_active IP Right Cessation
- 1975-08-12 ES ES440190A patent/ES440190A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IE42047L (en) | 1976-02-13 |
| FR2281892A1 (fr) | 1976-03-12 |
| DE2535971B2 (de) | 1978-10-05 |
| IT1041108B (it) | 1980-01-10 |
| BE832369A (fr) | 1976-02-12 |
| DD119386A5 (enExample) | 1976-04-20 |
| US4065547A (en) | 1977-12-27 |
| ZA755185B (en) | 1976-07-28 |
| JPS5418997B2 (enExample) | 1979-07-11 |
| JPS5145695A (en) | 1976-04-19 |
| NL7509601A (nl) | 1976-02-17 |
| GB1476560A (en) | 1977-06-16 |
| IE42047B1 (en) | 1980-05-21 |
| ES440190A1 (es) | 1977-03-01 |
| DE2535971A1 (de) | 1976-02-26 |
| FR2281892B1 (enExample) | 1976-12-31 |
| AU8387875A (en) | 1977-02-17 |
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