GB865212A - Method of refining lead - Google Patents
Method of refining leadInfo
- Publication number
- GB865212A GB865212A GB18874/57A GB1887457A GB865212A GB 865212 A GB865212 A GB 865212A GB 18874/57 A GB18874/57 A GB 18874/57A GB 1887457 A GB1887457 A GB 1887457A GB 865212 A GB865212 A GB 865212A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lead
- antimony
- temperature
- over
- oxygen
- 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
- C22B13/00—Obtaining lead
- C22B13/06—Refining
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Secondary refining of lead is carried out in a reverberatory-type furnace by heating a charge of lead to a temperature of at least 1000 DEG F., and preferably not over 1400 DEG F., passing a mixture of air and oxygen containing over 40% by volume of oxygen into the lead below the surface thereof, while the lead is still at a temperature of at least 1000 DEG F., for a time sufficient to oxidize all the tin and arsenic completely and to reduce the concentration of antimony to about 0.03%, and separating the lead from the oxides and other slag material. In the absence of solid oxidants a slag containing a high proportion of antimony can be obtained. Preferably the gas is introduced into the melt through a lance composed of an alloy of nickel, iron, chromium and silicon, e.g. having the composition Ni 77.75%, Cr 13.5%, Fe 6.0%, Si 2.0% with Cu up to 0.25%, Mn 0.25% and C 0.25%.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US865212XA | 1957-01-14 | 1957-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB865212A true GB865212A (en) | 1961-04-12 |
Family
ID=22199121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18874/57A Expired GB865212A (en) | 1957-01-14 | 1957-06-14 | Method of refining lead |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB865212A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593096A (en) * | 2020-12-07 | 2021-04-02 | 湖南安化渣滓溪矿业有限公司 | Refining method for reducing grade antimony in alkaline residue |
| CN113737020A (en) * | 2021-09-10 | 2021-12-03 | 广西万仕智稀贵金属科技有限公司 | Method for deeply removing cadmium in crude antimony refining process |
| CN114686925A (en) * | 2022-04-07 | 2022-07-01 | 中国恩菲工程技术有限公司 | Crude lead refining device and crude lead refining method |
-
1957
- 1957-06-14 GB GB18874/57A patent/GB865212A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593096A (en) * | 2020-12-07 | 2021-04-02 | 湖南安化渣滓溪矿业有限公司 | Refining method for reducing grade antimony in alkaline residue |
| CN113737020A (en) * | 2021-09-10 | 2021-12-03 | 广西万仕智稀贵金属科技有限公司 | Method for deeply removing cadmium in crude antimony refining process |
| CN113737020B (en) * | 2021-09-10 | 2022-09-13 | 广西万仕智稀贵金属科技有限公司 | Method for deeply removing cadmium in crude antimony refining process |
| CN114686925A (en) * | 2022-04-07 | 2022-07-01 | 中国恩菲工程技术有限公司 | Crude lead refining device and crude lead refining method |
| CN114686925B (en) * | 2022-04-07 | 2023-09-29 | 中国恩菲工程技术有限公司 | Lead bullion refining device and lead bullion refining method |
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