ES519691A0 - Procedimiento para disminuir el contenido de metales pesados, especialmente de compuestos de cadmio, en el fosfato bruto. - Google Patents
Procedimiento para disminuir el contenido de metales pesados, especialmente de compuestos de cadmio, en el fosfato bruto.Info
- Publication number
- ES519691A0 ES519691A0 ES519691A ES519691A ES519691A0 ES 519691 A0 ES519691 A0 ES 519691A0 ES 519691 A ES519691 A ES 519691A ES 519691 A ES519691 A ES 519691A ES 519691 A0 ES519691 A0 ES 519691A0
- Authority
- ES
- Spain
- Prior art keywords
- gross
- phosphate
- decrease
- procedure
- content
- 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
- C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus 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
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/385—Thiophosphoric acids, or esters thereof
-
- 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)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823204963 DE3204963A1 (de) | 1982-02-12 | 1982-02-12 | Verfahren zur verminderung des schwermetall-gehaltes im rohphosphat |
DE19823210575 DE3210575A1 (de) | 1982-03-23 | 1982-03-23 | Verfahren zur verminderung des schwermetall-gehaltes, insbesondere an cadmiumverbindungen |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8400989A1 ES8400989A1 (es) | 1983-12-01 |
ES519691A0 true ES519691A0 (es) | 1983-12-01 |
Family
ID=25799554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES519691A Granted ES519691A0 (es) | 1982-02-12 | 1983-02-10 | Procedimiento para disminuir el contenido de metales pesados, especialmente de compuestos de cadmio, en el fosfato bruto. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0087065B1 (es) |
DE (1) | DE3360853D1 (es) |
ES (1) | ES519691A0 (es) |
NO (1) | NO830474L (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3332698A1 (de) * | 1983-09-10 | 1985-03-21 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur entfernung von cadmium aus phosphaterzen |
US4721605A (en) * | 1985-07-24 | 1988-01-26 | American Cyanamid Company | Selective removal of metals from aqueous solutions with dithiophosphinic acids |
FR2649391B1 (fr) * | 1989-07-04 | 1991-10-31 | Pierre Becker | Procede de traitement de l'acide phosphorique pour en eliminer certains metaux lourds |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2447390C3 (de) * | 1974-10-04 | 1983-11-17 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
JPS5375196A (en) * | 1976-12-15 | 1978-07-04 | Central Glass Co Ltd | Removing method for heavy metals from phosphoric acid solution |
SE418845B (sv) * | 1979-05-10 | 1981-06-29 | Boliden Ab | Forfarande for rening av vatprocessfosforsyra |
-
1983
- 1983-02-09 DE DE8383101225T patent/DE3360853D1/de not_active Expired
- 1983-02-09 EP EP83101225A patent/EP0087065B1/de not_active Expired
- 1983-02-10 ES ES519691A patent/ES519691A0/es active Granted
- 1983-02-11 NO NO830474A patent/NO830474L/no unknown
Also Published As
Publication number | Publication date |
---|---|
ES8400989A1 (es) | 1983-12-01 |
DE3360853D1 (en) | 1985-10-31 |
NO830474L (no) | 1983-08-15 |
EP0087065A1 (de) | 1983-08-31 |
EP0087065B1 (de) | 1985-09-25 |
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