DK0399521T3 - Forbedret fremgangsmåde til fjernelse af cadmiumioner fra phosphorsyre fremstillet ved vådmetoden (vådphosphorsyre) - Google Patents
Forbedret fremgangsmåde til fjernelse af cadmiumioner fra phosphorsyre fremstillet ved vådmetoden (vådphosphorsyre)Info
- Publication number
- DK0399521T3 DK0399521T3 DK90109860.8T DK90109860T DK0399521T3 DK 0399521 T3 DK0399521 T3 DK 0399521T3 DK 90109860 T DK90109860 T DK 90109860T DK 0399521 T3 DK0399521 T3 DK 0399521T3
- Authority
- DK
- Denmark
- Prior art keywords
- phosphoric acid
- wet
- cadmium ions
- removing cadmium
- improved method
- Prior art date
Links
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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/28—Amines
- C22B3/282—Aliphatic amines
-
- 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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G11/00—Compounds of cadmium
- C01G11/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Physical Water Treatments (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3917189 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0399521T3 true DK0399521T3 (da) | 1994-08-22 |
Family
ID=6381457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK90109860.8T DK0399521T3 (da) | 1989-05-26 | 1990-05-23 | Forbedret fremgangsmåde til fjernelse af cadmiumioner fra phosphorsyre fremstillet ved vådmetoden (vådphosphorsyre) |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5068094A (da) |
| EP (1) | EP0399521B1 (da) |
| JP (1) | JPH0388704A (da) |
| DE (2) | DE4010778A1 (da) |
| DK (1) | DK0399521T3 (da) |
| ES (1) | ES2057269T3 (da) |
| FI (1) | FI90652C (da) |
| IL (1) | IL94463A (da) |
| MA (1) | MA21853A1 (da) |
| NO (1) | NO902245L (da) |
| OA (1) | OA09450A (da) |
| TN (1) | TNSN90070A1 (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5405588A (en) * | 1994-07-11 | 1995-04-11 | The United States Of America As Represented By The United States Department Of Energy | Process for removing cadmium from scrap metal |
| JP4758708B2 (ja) * | 2005-01-24 | 2011-08-31 | 財団法人電力中央研究所 | カドミウム測定方法 |
| CN115287466B (zh) * | 2022-08-09 | 2024-06-04 | 云南奥宇环保科技有限公司 | 一种溶剂萃取回收镉的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL301498A (da) * | 1962-12-06 | |||
| US3367749A (en) * | 1963-02-20 | 1968-02-06 | Monsanto Co | Purifying phosphoric acid using an amine extractant |
| US3258307A (en) * | 1963-05-20 | 1966-06-28 | Little Inc A | Process for separating cadmium and zinc from mixtures thereof |
| US3558288A (en) * | 1965-04-15 | 1971-01-26 | Ashland Oil Inc | Extraction of metal ions from acidic aqueous solution using an amine and a carboxylic acid |
| US4012481A (en) * | 1975-11-07 | 1977-03-15 | Pgp Industries, Inc. | Process for the separation of platinum group metals |
| DE3134847A1 (de) * | 1981-09-03 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "verfahren zur gewinnung cadmium-freier rohphosphorsaeure" |
| DE3202658A1 (de) * | 1982-01-28 | 1983-08-04 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure |
| DE3327394A1 (de) * | 1982-05-18 | 1985-02-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
| DE3218599A1 (de) * | 1982-05-18 | 1983-12-01 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
| DE3330224A1 (de) * | 1983-08-22 | 1985-03-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen |
| DE3341073A1 (de) * | 1983-11-12 | 1985-05-23 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur gleichzeitigen abtrennung von cadmium-ii- und uran iv- ionen aus phosphorsaeure durch gemeinsame extraktion |
| DE3342211A1 (de) * | 1983-11-23 | 1985-05-30 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur extraktion von cadmium aus sauren loesungen |
-
1990
- 1990-04-04 DE DE4010778A patent/DE4010778A1/de not_active Withdrawn
- 1990-05-22 FI FI902518A patent/FI90652C/fi not_active IP Right Cessation
- 1990-05-22 NO NO90902245A patent/NO902245L/no unknown
- 1990-05-22 MA MA22119A patent/MA21853A1/fr unknown
- 1990-05-22 IL IL9446390A patent/IL94463A/en not_active IP Right Cessation
- 1990-05-23 ES ES90109860T patent/ES2057269T3/es not_active Expired - Lifetime
- 1990-05-23 DE DE59006556T patent/DE59006556D1/de not_active Expired - Fee Related
- 1990-05-23 DK DK90109860.8T patent/DK0399521T3/da active
- 1990-05-23 EP EP90109860A patent/EP0399521B1/de not_active Expired - Lifetime
- 1990-05-25 TN TNTNSN90070A patent/TNSN90070A1/fr unknown
- 1990-05-25 US US07/529,193 patent/US5068094A/en not_active Expired - Fee Related
- 1990-05-25 OA OA59795A patent/OA09450A/xx unknown
- 1990-05-25 JP JP2136894A patent/JPH0388704A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0388704A (ja) | 1991-04-15 |
| IL94463A (en) | 1994-11-11 |
| OA09450A (en) | 1992-10-15 |
| EP0399521A2 (de) | 1990-11-28 |
| NO902245L (no) | 1990-11-27 |
| FI90652C (fi) | 1994-03-10 |
| FI90652B (fi) | 1993-11-30 |
| DE59006556D1 (de) | 1994-09-01 |
| IL94463A0 (en) | 1991-03-10 |
| ES2057269T3 (es) | 1994-10-16 |
| NO902245D0 (no) | 1990-05-22 |
| EP0399521B1 (de) | 1994-07-27 |
| MA21853A1 (fr) | 1990-12-31 |
| TNSN90070A1 (fr) | 1991-03-05 |
| US5068094A (en) | 1991-11-26 |
| FI902518A0 (fi) | 1990-05-22 |
| DE4010778A1 (de) | 1990-11-29 |
| EP0399521A3 (de) | 1991-01-09 |
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