ES521122A0 - Procedimiento para la separacion de componentes de metales pesados. - Google Patents
Procedimiento para la separacion de componentes de metales pesados.Info
- Publication number
- ES521122A0 ES521122A0 ES521122A ES521122A ES521122A0 ES 521122 A0 ES521122 A0 ES 521122A0 ES 521122 A ES521122 A ES 521122A ES 521122 A ES521122 A ES 521122A ES 521122 A0 ES521122 A0 ES 521122A0
- Authority
- ES
- Spain
- Prior art keywords
- separation
- procedure
- heavy metal
- metal components
- components
- 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.)
- Granted
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
- 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
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G13/00—Compounds of mercury
- C01G13/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G21/00—Compounds of lead
- C01G21/003—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
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
- C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
-
- 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)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Fertilizers (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823212675 DE3212675A1 (de) | 1982-04-05 | 1982-04-05 | Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8401750A1 ES8401750A1 (es) | 1984-01-01 |
ES521122A0 true ES521122A0 (es) | 1984-01-01 |
Family
ID=6160297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES521122A Granted ES521122A0 (es) | 1982-04-05 | 1983-03-30 | Procedimiento para la separacion de componentes de metales pesados. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4479924A (es) |
EP (1) | EP0091043B1 (es) |
DE (2) | DE3212675A1 (es) |
ES (1) | ES521122A0 (es) |
NO (1) | NO159373C (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE3442142A1 (de) * | 1984-11-17 | 1986-05-22 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von verunreinigungen aus phosphorsaeure |
US4851199A (en) * | 1985-01-03 | 1989-07-25 | Union Oil Company Of California | Methods for recovering vanadium from phosphoric acid and vanadium sources |
US4978511A (en) * | 1985-01-03 | 1990-12-18 | Union Oil Company Of California | Methods for selectively recovering vanadium from phosphoric acid and vanadium sources |
DE3522822A1 (de) * | 1985-06-26 | 1987-01-02 | Hoechst Ag | Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren |
GB8522833D0 (en) * | 1985-09-16 | 1985-10-23 | Exxon Chemical Patents Inc | Dithiophosphonates |
DE3622597A1 (de) * | 1986-07-04 | 1988-01-07 | Budenheim Rud A Oetker Chemie | Verfahren zur faellung und abtrennung von cadmiumsulfid aus den raffinaten der phosphorsaeurereinigung |
NO164768C (no) * | 1988-03-04 | 1990-11-14 | Norsk Hydro As | Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger. |
WO2001085647A1 (en) * | 2000-05-11 | 2001-11-15 | Mestan Josef | The agent intended for protection and nutrition of plants |
US20040179984A1 (en) * | 2003-03-13 | 2004-09-16 | Nagaraj D. R. | Process for removing metal impurities from wet process phosphoric acid and compositions thereof |
ES2283207A1 (es) * | 2003-03-13 | 2007-10-16 | Cytec Tecnology Corp. | Procedimiento para retirar impurezas metalicas del acido fosforico obtenido mediante proceso humedo y composiciones del mismo. |
BR112014031167A2 (pt) * | 2012-06-21 | 2017-06-27 | Outotec Finland Oy | processo e instalação para separar metais pesados a partir de materiais de partida fosfóricos |
PL3691992T3 (pl) | 2017-10-08 | 2022-10-24 | Cytec Industries Inc. | Sposoby usuwania metali ciężkich z roztworów kwasu fosforowego |
WO2021255065A1 (en) | 2020-06-16 | 2021-12-23 | Yara International Asa | Process for the removal of heavy metals from a phosphoric acid containing composition |
EP3964477A1 (en) | 2020-09-08 | 2022-03-09 | Yara International ASA | Process for the removal of heavy metals from a phosphoric acid containing composition using an ionic polymeric surfactant |
BR112022021798A2 (pt) * | 2020-06-16 | 2022-12-27 | Yara Int Asa | Processo para a remoção de metais pesados de uma composição contendo ácido fosfórico usando um tensoativo polimérico iônico e uso do dito tensoativo na precipitação de metais pesados em uma composição contendo ácido fosfórico |
EP3964478A1 (en) | 2020-09-08 | 2022-03-09 | Yara International ASA | Process for the removal of heavy metals from a phosphoric acid containing composition |
EP3925710A1 (en) | 2020-06-16 | 2021-12-22 | Yara International ASA | Method for treating solid hazardous heavy metal-containing compositions |
BR112022020189A2 (pt) | 2020-06-16 | 2022-11-22 | Yara Int Asa | Processo para a remoção de metais pesados de uma composição contendo ácido fosfórico usando um agente de floculação |
EP3964476A1 (en) | 2020-09-08 | 2022-03-09 | Yara International ASA | Process for the removal of heavy metals from a phosphoric acid containing composition using a flocculating agent |
WO2024047228A1 (en) | 2022-09-02 | 2024-03-07 | Cytec Industries Inc. | Reagents and processes for removing heavy metals from phosphoric acid solutions |
WO2024105263A1 (en) | 2022-11-17 | 2024-05-23 | Cytec Industries Inc. | Compositions and processes for removing heavy metals from phosphoric acid containing streams |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2044940A (en) * | 1933-11-25 | 1936-06-23 | Grasselli Chemical Co | Preparation of a soluble phosphate |
US4208389A (en) * | 1976-12-27 | 1980-06-17 | Toyo Soda Manufacturing Company, Limited | Purification of phosphoric acid |
US4226791A (en) * | 1978-11-30 | 1980-10-07 | Berol Kemi Ab | Method and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extraction |
FR2447347A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de traitement d'un acide phosphorique impur |
SU791592A1 (ru) * | 1979-03-06 | 1980-12-30 | Казахский Научно-Исследовательский И Проектный Институт Фосфорной Промышленности | Способ очистки фосфорной кислоты от молибдена |
FR2462481A1 (fr) * | 1979-07-30 | 1981-02-13 | British Petroleum Co | Procede d'extraction liquide-liquide de metaux en solution aqueuse au moyen de derives organophosphores |
DE3127900A1 (de) * | 1981-07-15 | 1983-02-03 | Hoechst Ag, 6000 Frankfurt | Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen |
DE3134847A1 (de) * | 1981-09-03 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "verfahren zur gewinnung cadmium-freier rohphosphorsaeure" |
DE3209183A1 (de) * | 1982-03-13 | 1983-09-15 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln |
DE3142666A1 (de) * | 1981-10-28 | 1983-05-05 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von schwermetallbestandteilen aus zwischenprodukten der fabrikation von phosphorduengemitteln |
-
1982
- 1982-04-05 DE DE19823212675 patent/DE3212675A1/de not_active Withdrawn
-
1983
- 1983-03-26 DE DE8383103017T patent/DE3360156D1/de not_active Expired
- 1983-03-26 EP EP83103017A patent/EP0091043B1/de not_active Expired
- 1983-03-29 NO NO831171A patent/NO159373C/no unknown
- 1983-03-30 ES ES521122A patent/ES521122A0/es active Granted
- 1983-04-01 US US06/481,281 patent/US4479924A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0091043A1 (de) | 1983-10-12 |
EP0091043B1 (de) | 1985-05-02 |
DE3212675A1 (de) | 1983-10-06 |
NO831171L (no) | 1983-10-06 |
DE3360156D1 (en) | 1985-06-05 |
US4479924A (en) | 1984-10-30 |
NO159373C (no) | 1988-12-21 |
ES8401750A1 (es) | 1984-01-01 |
NO159373B (no) | 1988-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19971001 |