DE2229602B1 - Verfahren zur Reinigung von technischer Phosphorsaure - Google Patents
Verfahren zur Reinigung von technischer PhosphorsaureInfo
- Publication number
- DE2229602B1 DE2229602B1 DE2229602A DE2229602DA DE2229602B1 DE 2229602 B1 DE2229602 B1 DE 2229602B1 DE 2229602 A DE2229602 A DE 2229602A DE 2229602D A DE2229602D A DE 2229602DA DE 2229602 B1 DE2229602 B1 DE 2229602B1
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- acid
- alkali
- phase
- organic
- 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.)
- Pending
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 145
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 73
- 238000000034 method Methods 0.000 title claims description 31
- 238000000746 purification Methods 0.000 title 1
- 235000011007 phosphoric acid Nutrition 0.000 claims description 75
- 239000012071 phase Substances 0.000 claims description 37
- 239000002253 acid Substances 0.000 claims description 34
- 150000003839 salts Chemical class 0.000 claims description 25
- 238000000605 extraction Methods 0.000 claims description 22
- 239000002904 solvent Substances 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 239000012074 organic phase Substances 0.000 claims description 18
- 230000002378 acidificating effect Effects 0.000 claims description 12
- 230000001476 alcoholic effect Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910001868 water Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 235000021317 phosphate Nutrition 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 230000029087 digestion Effects 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 4
- 150000003016 phosphoric acids Chemical class 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- -1 ammonium ions Chemical class 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 2
- 150000001447 alkali salts Chemical class 0.000 claims 2
- 150000003863 ammonium salts Chemical class 0.000 claims 2
- 229910052804 chromium Inorganic materials 0.000 claims 2
- 239000011651 chromium Substances 0.000 claims 2
- 235000019441 ethanol Nutrition 0.000 claims 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 239000011260 aqueous acid Substances 0.000 claims 1
- 239000002585 base Substances 0.000 claims 1
- 229910001424 calcium ion Inorganic materials 0.000 claims 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 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 claims 1
- 238000011109 contamination Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011507 gypsum plaster Substances 0.000 claims 1
- 230000007774 longterm Effects 0.000 claims 1
- 239000000314 lubricant Substances 0.000 claims 1
- 229910000000 metal hydroxide Inorganic materials 0.000 claims 1
- 150000004692 metal hydroxides Chemical class 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 235000006408 oxalic acid Nutrition 0.000 claims 1
- 150000002913 oxalic acids Chemical class 0.000 claims 1
- 239000002367 phosphate rock Substances 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 1
- 238000000209 wet digestion Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 17
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000001488 sodium phosphate Substances 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 235000011008 sodium phosphates Nutrition 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- 238000010626 work up procedure Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000003017 phosphorus Chemical class 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 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
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- 239000003049 inorganic solvent Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- PGMYKACGEOXYJE-UHFFFAOYSA-N pentyl acetate Chemical class CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical class CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- UMFCIIBZHQXRCJ-NSCUHMNNSA-N trans-anol Chemical compound C\C=C\C1=CC=C(O)C=C1 UMFCIIBZHQXRCJ-NSCUHMNNSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
-
- 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
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
-
- 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
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2229602 | 1972-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2229602B1 true DE2229602B1 (de) | 1973-09-27 |
Family
ID=5848004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2229602A Pending DE2229602B1 (de) | 1972-06-19 | 1972-06-19 | Verfahren zur Reinigung von technischer Phosphorsaure |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5310957B2 (enrdf_load_stackoverflow) |
| BE (1) | BE796996A (enrdf_load_stackoverflow) |
| DE (1) | DE2229602B1 (enrdf_load_stackoverflow) |
| FR (1) | FR2189316B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1404546A (enrdf_load_stackoverflow) |
| IL (1) | IL42487A (enrdf_load_stackoverflow) |
| IT (1) | IT982777B (enrdf_load_stackoverflow) |
| NL (1) | NL173627C (enrdf_load_stackoverflow) |
| SE (1) | SE386148B (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433307A1 (de) * | 1974-07-11 | 1976-01-29 | Budenheim Rud A Oetker Chemie | Verfahren zur trennung von phosphorsaeure-loesungsmittel-wasser-gemischen |
| DE2435789A1 (de) * | 1974-07-25 | 1976-02-12 | Hoechst Ag | Verfahren zur reinigung von phosphorsaeure mit hilfe eines organischen loesungsmittels |
| DE2538720A1 (de) * | 1975-08-30 | 1977-03-10 | Giulini Gmbh Geb | Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung |
| EP0133490A3 (en) * | 1983-08-06 | 1985-06-05 | Hoechst Aktiengesellschaft | Method of removing fluorine from wet process phosphoric acid |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447348A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de purification d'un acide phosphorique impur |
| JPS55124490U (enrdf_load_stackoverflow) * | 1979-02-27 | 1980-09-03 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
| DE2029564C3 (de) * | 1970-06-16 | 1978-06-22 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure |
-
1972
- 1972-06-19 DE DE2229602A patent/DE2229602B1/de active Pending
-
1973
- 1973-03-19 BE BE128972A patent/BE796996A/xx not_active IP Right Cessation
- 1973-03-29 NL NLAANVRAGE7304362,A patent/NL173627C/xx not_active IP Right Cessation
- 1973-04-16 IT IT23054/73A patent/IT982777B/it active
- 1973-05-04 SE SE7306294A patent/SE386148B/xx unknown
- 1973-06-12 IL IL42487A patent/IL42487A/en unknown
- 1973-06-19 FR FR7323032A patent/FR2189316B1/fr not_active Expired
- 1973-06-19 GB GB2893573A patent/GB1404546A/en not_active Expired
- 1973-06-19 JP JP6910873A patent/JPS5310957B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2433307A1 (de) * | 1974-07-11 | 1976-01-29 | Budenheim Rud A Oetker Chemie | Verfahren zur trennung von phosphorsaeure-loesungsmittel-wasser-gemischen |
| DE2435789A1 (de) * | 1974-07-25 | 1976-02-12 | Hoechst Ag | Verfahren zur reinigung von phosphorsaeure mit hilfe eines organischen loesungsmittels |
| DE2538720A1 (de) * | 1975-08-30 | 1977-03-10 | Giulini Gmbh Geb | Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung |
| EP0133490A3 (en) * | 1983-08-06 | 1985-06-05 | Hoechst Aktiengesellschaft | Method of removing fluorine from wet process phosphoric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4963692A (enrdf_load_stackoverflow) | 1974-06-20 |
| NL173627C (nl) | 1984-02-16 |
| NL7304362A (enrdf_load_stackoverflow) | 1973-12-21 |
| NL173627B (nl) | 1983-09-16 |
| IL42487A0 (en) | 1973-08-29 |
| GB1404546A (en) | 1975-09-03 |
| BE796996A (fr) | 1973-07-16 |
| JPS5310957B2 (enrdf_load_stackoverflow) | 1978-04-18 |
| FR2189316A1 (enrdf_load_stackoverflow) | 1974-01-25 |
| IL42487A (en) | 1977-02-28 |
| IT982777B (it) | 1974-10-21 |
| SE386148B (sv) | 1976-08-02 |
| FR2189316B1 (enrdf_load_stackoverflow) | 1978-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Publication of the examined application without previous publication of unexamined application |