ES2057269T3 - Procedimiento mejorado para la eliminacion de iones cadmio del acido fosforico producido por via humeda. - Google Patents
Procedimiento mejorado para la eliminacion de iones cadmio del acido fosforico producido por via humeda.Info
- Publication number
- ES2057269T3 ES2057269T3 ES90109860T ES90109860T ES2057269T3 ES 2057269 T3 ES2057269 T3 ES 2057269T3 ES 90109860 T ES90109860 T ES 90109860T ES 90109860 T ES90109860 T ES 90109860T ES 2057269 T3 ES2057269 T3 ES 2057269T3
- Authority
- ES
- Spain
- Prior art keywords
- humeda
- phosphoric acid
- elimination
- cadmium ions
- acid produced
- 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 - Lifetime
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
- 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
-
- 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
-
- 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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Physical Water Treatments (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
EL INVENTO DESCRIBE UN PROCEDIMIENTO PARA ELIMINAR IONES CADMIO CON ACIDO FOSFORICO POR VIA HUMEDA. DICHO PROCEDIMIENTO CONSISTE EN DISGREGAR MINERALES DE FOSFATO CON ACIDO SULFURICO, EMPLEAR SALES DE ALQUILAMINA DE CADENA LARGA O BASE AMONICA, PARA PODER REALIZAR UNA EXTRACCION LIQUIDO-LIQUIDO DE LOS IONES METALICOS DE VARIOS VALORES CON COMPLEJOS DE CLORO Y DILUIR LOS IONES METALICOS EN DISOLVENTES ORGANICOS INERTES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3917189 | 1989-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2057269T3 true ES2057269T3 (es) | 1994-10-16 |
Family
ID=6381457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90109860T Expired - Lifetime ES2057269T3 (es) | 1989-05-26 | 1990-05-23 | Procedimiento mejorado para la eliminacion de iones cadmio del acido fosforico producido por via humeda. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5068094A (es) |
EP (1) | EP0399521B1 (es) |
JP (1) | JPH0388704A (es) |
DE (2) | DE4010778A1 (es) |
DK (1) | DK0399521T3 (es) |
ES (1) | ES2057269T3 (es) |
FI (1) | FI90652C (es) |
IL (1) | IL94463A (es) |
MA (1) | MA21853A1 (es) |
NO (1) | NO902245L (es) |
OA (1) | OA09450A (es) |
TN (1) | TNSN90070A1 (es) |
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 |
---|---|---|---|---|
GB1053929A (es) * | 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 |
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 |
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 |
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 MA MA22119A patent/MA21853A1/fr unknown
- 1990-05-22 NO NO90902245A patent/NO902245L/no unknown
- 1990-05-22 IL IL9446390A patent/IL94463A/en not_active IP Right Cessation
- 1990-05-22 FI FI902518A patent/FI90652C/fi not_active IP Right Cessation
- 1990-05-23 EP EP90109860A patent/EP0399521B1/de not_active Expired - Lifetime
- 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
- 1990-05-25 US US07/529,193 patent/US5068094A/en not_active Expired - Fee Related
- 1990-05-25 JP JP2136894A patent/JPH0388704A/ja active Pending
- 1990-05-25 TN TNTNSN90070A patent/TNSN90070A1/fr unknown
- 1990-05-25 OA OA59795A patent/OA09450A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
MA21853A1 (fr) | 1990-12-31 |
US5068094A (en) | 1991-11-26 |
EP0399521B1 (de) | 1994-07-27 |
DE59006556D1 (de) | 1994-09-01 |
OA09450A (en) | 1992-10-15 |
EP0399521A3 (de) | 1991-01-09 |
DK0399521T3 (da) | 1994-08-22 |
NO902245L (no) | 1990-11-27 |
FI902518A0 (fi) | 1990-05-22 |
JPH0388704A (ja) | 1991-04-15 |
NO902245D0 (no) | 1990-05-22 |
DE4010778A1 (de) | 1990-11-29 |
IL94463A0 (en) | 1991-03-10 |
IL94463A (en) | 1994-11-11 |
TNSN90070A1 (fr) | 1991-03-05 |
FI90652B (fi) | 1993-11-30 |
FI90652C (fi) | 1994-03-10 |
EP0399521A2 (de) | 1990-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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