NO944706D0 - Fremgangsmåte for rensing av fosforsyre - Google Patents
Fremgangsmåte for rensing av fosforsyreInfo
- Publication number
- NO944706D0 NO944706D0 NO944706A NO944706A NO944706D0 NO 944706 D0 NO944706 D0 NO 944706D0 NO 944706 A NO944706 A NO 944706A NO 944706 A NO944706 A NO 944706A NO 944706 D0 NO944706 D0 NO 944706D0
- Authority
- NO
- Norway
- Prior art keywords
- phosphoric acid
- purification
- ions
- impurity
- reduction
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000000746 purification Methods 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 5
- 150000002500 ions Chemical class 0.000 abstract 3
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 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
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Fuel Cell (AREA)
- Removal Of Specific Substances (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Saccharide Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI922650A FI90966C (fi) | 1992-06-08 | 1992-06-08 | Fosforihapon puhdistusmenetelmä |
| PCT/FI1993/000245 WO1993025472A1 (en) | 1992-06-08 | 1993-06-07 | Process for purifying phosphoric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO944706L NO944706L (no) | 1994-12-06 |
| NO944706D0 true NO944706D0 (no) | 1994-12-06 |
Family
ID=8535447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO944706A NO944706D0 (no) | 1992-06-08 | 1994-12-06 | Fremgangsmåte for rensing av fosforsyre |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0647205B1 (cs) |
| AT (1) | ATE138353T1 (cs) |
| AU (1) | AU4073593A (cs) |
| BG (1) | BG61396B1 (cs) |
| CZ (1) | CZ284622B6 (cs) |
| DE (1) | DE69302815T2 (cs) |
| DK (1) | DK0647205T3 (cs) |
| ES (1) | ES2088674T3 (cs) |
| FI (1) | FI90966C (cs) |
| GR (1) | GR3020332T3 (cs) |
| HU (1) | HU214096B (cs) |
| NO (1) | NO944706D0 (cs) |
| PL (1) | PL170642B1 (cs) |
| RO (1) | RO114319B1 (cs) |
| RU (1) | RU2102313C1 (cs) |
| SK (1) | SK280302B6 (cs) |
| WO (1) | WO1993025472A1 (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2320535C1 (ru) * | 2006-11-01 | 2008-03-27 | Закрытое акционерное общество "Научно-производственная компания "Интерфос" | Способ получения очищенной фосфорной кислоты |
| WO2014018420A1 (en) * | 2012-07-21 | 2014-01-30 | K-Technologies, Inc. | Processes for the removal and recovery of minor elements in wet-process phosphoric acid |
| KR101600184B1 (ko) * | 2014-07-18 | 2016-03-07 | 오씨아이 주식회사 | 인산 용액 내 금속이온의 제거방법 |
| CN109399591B (zh) * | 2018-12-26 | 2021-06-29 | 江苏新宏大集团有限公司 | 一种净化湿法磷酸的制备方法 |
| CN111268659A (zh) * | 2020-03-18 | 2020-06-12 | 四川大学 | 湿法磷酸萃取液的电解还原再生方法及湿法磷酸萃取工艺 |
| WO2025003250A1 (en) | 2023-06-27 | 2025-01-02 | Prayon | "method for purifying a phosphate containing solution" |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3306702A (en) * | 1962-06-18 | 1967-02-28 | Nalco Chemical Co | Removal of metal salt contaminants from acidic aqueous liquids |
| DE3022662A1 (de) * | 1980-06-18 | 1982-01-21 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reduktion dreiwertigen eisens in nassverfahrensphosphorsaeure |
| US5006319A (en) * | 1988-03-04 | 1991-04-09 | Fmc Corporation | Process for removing iron, chromium and vanadium from phosphoric acid |
-
1992
- 1992-06-08 FI FI922650A patent/FI90966C/fi active IP Right Grant
-
1993
- 1993-06-07 PL PL93306712A patent/PL170642B1/pl unknown
- 1993-06-07 HU HU9403505A patent/HU214096B/hu not_active IP Right Cessation
- 1993-06-07 EP EP93910074A patent/EP0647205B1/en not_active Expired - Lifetime
- 1993-06-07 RO RO94-01957A patent/RO114319B1/ro unknown
- 1993-06-07 DE DE69302815T patent/DE69302815T2/de not_active Expired - Fee Related
- 1993-06-07 DK DK93910074.9T patent/DK0647205T3/da active
- 1993-06-07 CZ CZ943081A patent/CZ284622B6/cs not_active IP Right Cessation
- 1993-06-07 RU RU94046263A patent/RU2102313C1/ru active
- 1993-06-07 WO PCT/FI1993/000245 patent/WO1993025472A1/en not_active Ceased
- 1993-06-07 ES ES93910074T patent/ES2088674T3/es not_active Expired - Lifetime
- 1993-06-07 AU AU40735/93A patent/AU4073593A/en not_active Abandoned
- 1993-06-07 SK SK1494-94A patent/SK280302B6/sk unknown
- 1993-06-07 AT AT93910074T patent/ATE138353T1/de not_active IP Right Cessation
-
1994
- 1994-12-06 NO NO944706A patent/NO944706D0/no not_active Application Discontinuation
- 1994-12-08 BG BG99245A patent/BG61396B1/bg unknown
-
1996
- 1996-06-25 GR GR960401701T patent/GR3020332T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2088674T3 (es) | 1996-08-16 |
| SK149494A3 (en) | 1995-07-11 |
| PL170642B1 (pl) | 1997-01-31 |
| NO944706L (no) | 1994-12-06 |
| AU4073593A (en) | 1994-01-04 |
| HU214096B (en) | 1997-12-29 |
| WO1993025472A1 (en) | 1993-12-23 |
| FI90966B (fi) | 1994-01-14 |
| CZ284622B6 (cs) | 1999-01-13 |
| ATE138353T1 (de) | 1996-06-15 |
| CZ308194A3 (en) | 1995-07-12 |
| DE69302815D1 (de) | 1996-06-27 |
| FI90966C (fi) | 1994-04-25 |
| GR3020332T3 (en) | 1996-09-30 |
| FI922650A0 (fi) | 1992-06-08 |
| SK280302B6 (sk) | 1999-11-08 |
| BG61396B1 (en) | 1997-07-31 |
| BG99245A (bg) | 1995-06-30 |
| RU94046263A (ru) | 1996-10-20 |
| DK0647205T3 (da) | 1996-08-05 |
| HUT68275A (en) | 1995-06-28 |
| RU2102313C1 (ru) | 1998-01-20 |
| RO114319B1 (ro) | 1999-03-30 |
| EP0647205A1 (en) | 1995-04-12 |
| DE69302815T2 (de) | 1996-12-19 |
| EP0647205B1 (en) | 1996-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC2A | Withdrawal, rejection or dismissal of laid open patent application |