GB682832A - Improvements in recovery of metals from sulphur-containing metallurgical slag - Google Patents
Improvements in recovery of metals from sulphur-containing metallurgical slagInfo
- Publication number
- GB682832A GB682832A GB3084550A GB3084550A GB682832A GB 682832 A GB682832 A GB 682832A GB 3084550 A GB3084550 A GB 3084550A GB 3084550 A GB3084550 A GB 3084550A GB 682832 A GB682832 A GB 682832A
- Authority
- GB
- United Kingdom
- Prior art keywords
- iron
- slag
- silicon
- reducing agent
- precipitate
- 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
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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0054—Slag, slime, speiss, or dross treating
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/02—Obtaining nickel or cobalt by dry processes
- C22B23/025—Obtaining nickel or cobalt by dry processes with formation of a matte or by matte refining or converting into nickel or cobalt, e.g. by the Oxford process
-
- 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
- C22B7/04—Working-up slag
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A method of treating sulphur-containing metallurgical slag having as ingredients iron and a smaller amount of a metal of the group copper, nickel and cobalt or mixtures thereof, comprises introducing into the slag an amount of reducing agent not greater than 50 per cent of that required to precipitate all the iron from the slag, bringing the slag to a molten state thereby precipitating substantially all of the said metal and only a small proportion of the iron as matte and forming a secondary slag, and separating the matte from the secondary slag, the reducing agent being selected from the group ferro-silicon, and an alloy of silicon, aluminium and iron. The amount of reducing agent used may be not greater than 35 or even 20 per cent of that necessary to precipitate all the iron. The secondary slag may be mixed with lime and a material capable of reducing ferrous oxide to metal, the mixture being melted to precipitate iron which is then separated. The reducing agent may be ferro-silicon calcium carbide or an alloy of silicon, aluminium and iron.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US682832XA | 1950-10-30 | 1950-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB682832A true GB682832A (en) | 1952-11-19 |
Family
ID=22081590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3084550A Expired GB682832A (en) | 1950-10-30 | 1950-12-18 | Improvements in recovery of metals from sulphur-containing metallurgical slag |
Country Status (2)
| Country | Link |
|---|---|
| CY (1) | CY101A (en) |
| GB (1) | GB682832A (en) |
-
1950
- 1950-12-18 GB GB3084550A patent/GB682832A/en not_active Expired
-
1953
- 1953-06-22 CY CY10153A patent/CY101A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CY101A (en) | 1953-06-22 |
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