SE8104304L - SET TO Separate Alloys from Alloys - Google Patents
SET TO Separate Alloys from AlloysInfo
- Publication number
- SE8104304L SE8104304L SE8104304A SE8104304A SE8104304L SE 8104304 L SE8104304 L SE 8104304L SE 8104304 A SE8104304 A SE 8104304A SE 8104304 A SE8104304 A SE 8104304A SE 8104304 L SE8104304 L SE 8104304L
- Authority
- SE
- Sweden
- Prior art keywords
- vessel
- bath
- temperature
- melt
- base metal
- Prior art date
Links
Classifications
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/004—Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Method of separating a molten hypoeutectic alloy comprising a base metal A and an alloying element B into two melts, namely a melt comprising solely pure A and a melt comprising a B-enriched alloy with B-contents up to the eutectic composition. The melt is introduced to a bath which is located in an elongate reactor vessel and the temperature of which varies from one end of the vessel, a warmer end at which the temperature is immediately above the melting point of the base metal A, to the other, colder end of said vessel, at which the temperature lies above the liquidus temperature of the desired B-enriched alloy, and in which the temperature of the bath in the intermediate parts of the reactor vessel lies close to the liquidus line in a phase diagram A-B and the composition of said bath varies from substantially pure A at the warmer end of the vessel to a given B-enrichment at the colder end of the vessel. Metal crystals having a lower B-content than the bath are precipitated by internally cooling the bath in intermediate parts of the vessel, and the precipitatedcrystals are caused to move towards the warmer end of the reactor vessel, whereat because the crystals must constantly be in equilibrium with a bath which is progressively poorer in the alloying element B are progressively depleted of the alloying element B, so that a substantially pure base metal A can be taken out at the warmer end of the vessel. A B-enriched melt is simultaneously caused to move towards the colder end of the vessel, whereat A-enriched crystals are constantly formed, so as to enable a melt having the given B-content to be taken out at the colder end of the vessel. The amount of base metal and alloying element removed from the system is replaced by supplying fresh starting material to the reactor vessel at a location where the composition of the bath is the same as that of the starting material, and the temperature of the starting material is regulated to the temperature prevailing at this location.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8104304A SE8104304L (en) | 1981-07-10 | 1981-07-10 | SET TO Separate Alloys from Alloys |
ZA824402A ZA824402B (en) | 1981-07-10 | 1982-06-22 | A method for separating metals alloys |
GR68609A GR76849B (en) | 1981-07-10 | 1982-07-01 | |
AU86880/82A AU8688082A (en) | 1981-07-10 | 1982-07-08 | A method for separating metals from alloys |
PCT/SE1982/000238 WO1983000166A1 (en) | 1981-07-10 | 1982-07-08 | A method for separating metals from alloys |
EP82902101A EP0083615A1 (en) | 1981-07-10 | 1982-07-08 | A method for separating metals from alloys |
ES513849A ES8305837A1 (en) | 1981-07-10 | 1982-07-09 | A method for separating metals from alloys. |
IT2232382A IT1151921B (en) | 1981-07-10 | 1982-07-09 | METHOD FOR SEPARATING METALS FROM ALLOYS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8104304A SE8104304L (en) | 1981-07-10 | 1981-07-10 | SET TO Separate Alloys from Alloys |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8104304L true SE8104304L (en) | 1983-01-11 |
Family
ID=20344235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8104304A SE8104304L (en) | 1981-07-10 | 1981-07-10 | SET TO Separate Alloys from Alloys |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0083615A1 (en) |
ES (1) | ES8305837A1 (en) |
GR (1) | GR76849B (en) |
IT (1) | IT1151921B (en) |
SE (1) | SE8104304L (en) |
WO (1) | WO1983000166A1 (en) |
ZA (1) | ZA824402B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0527846B1 (en) * | 1990-05-08 | 1994-08-31 | Teldix GmbH | Vibration insulation of a body on magnetic bearings |
GB201811413D0 (en) * | 2018-07-12 | 2018-08-29 | Univ Birmingham | Aluminium purification |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540977A (en) * | 1945-01-02 | 1951-02-06 | Phillips Petroleum Co | Continuous fractional crystallization process |
US2540083A (en) * | 1945-12-29 | 1951-02-06 | Phillips Petroleum Co | Continuous extractive crystallization process |
GB1519999A (en) * | 1974-09-30 | 1978-08-02 | Commw Scient Ind Res Org | Method for the continuous reflux reflux refining of metal |
US4133517A (en) * | 1974-09-30 | 1979-01-09 | Commonwealth Scientific And Industrial Research Organization | Continuous reflux refining of metals |
GB1572128A (en) * | 1976-07-19 | 1980-07-23 | Commw Scient Ind Res Org | Method and apparatus for promoting solids-liquid flow |
-
1981
- 1981-07-10 SE SE8104304A patent/SE8104304L/en not_active Application Discontinuation
-
1982
- 1982-06-22 ZA ZA824402A patent/ZA824402B/en unknown
- 1982-07-01 GR GR68609A patent/GR76849B/el unknown
- 1982-07-08 EP EP82902101A patent/EP0083615A1/en not_active Withdrawn
- 1982-07-08 WO PCT/SE1982/000238 patent/WO1983000166A1/en unknown
- 1982-07-09 IT IT2232382A patent/IT1151921B/en active
- 1982-07-09 ES ES513849A patent/ES8305837A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1151921B (en) | 1986-12-24 |
EP0083615A1 (en) | 1983-07-20 |
ZA824402B (en) | 1983-04-27 |
WO1983000166A1 (en) | 1983-01-20 |
ES513849A0 (en) | 1983-04-16 |
ES8305837A1 (en) | 1983-04-16 |
GR76849B (en) | 1984-09-04 |
IT8222323A0 (en) | 1982-07-09 |
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