US1786908A - Process for the separation and purification of metals and metallic alloys - Google Patents
Process for the separation and purification of metals and metallic alloys Download PDFInfo
- Publication number
- US1786908A US1786908A US298405A US29840528A US1786908A US 1786908 A US1786908 A US 1786908A US 298405 A US298405 A US 298405A US 29840528 A US29840528 A US 29840528A US 1786908 A US1786908 A US 1786908A
- Authority
- US
- United States
- Prior art keywords
- antimony
- metal
- sodium
- separating
- caustic
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 title description 15
- 239000002184 metal Substances 0.000 title description 15
- 238000000034 method Methods 0.000 title description 9
- 238000000926 separation method Methods 0.000 title description 5
- 229910001092 metal group alloy Inorganic materials 0.000 title description 3
- 238000000746 purification Methods 0.000 title description 3
- 150000002739 metals Chemical class 0.000 title description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 42
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 29
- 229910052787 antimony Inorganic materials 0.000 description 28
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 14
- 239000000956 alloy Substances 0.000 description 14
- 239000011734 sodium Substances 0.000 description 14
- 235000011121 sodium hydroxide Nutrition 0.000 description 14
- 239000003518 caustics Substances 0.000 description 13
- 229910052708 sodium Inorganic materials 0.000 description 12
- 239000003513 alkali Substances 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 7
- 150000001340 alkali metals Chemical class 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 229910000743 fusible alloy Inorganic materials 0.000 description 6
- 229910000528 Na alloy Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910000978 Pb alloy Inorganic materials 0.000 description 2
- 229910001245 Sb alloy Inorganic materials 0.000 description 2
- 239000002140 antimony alloy Substances 0.000 description 2
- BMUJWLXKZUCOEI-UHFFFAOYSA-N antimony sodium Chemical compound [Na].[Sb] BMUJWLXKZUCOEI-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- NSBGJRFJIJFMGW-UHFFFAOYSA-N trisodium;stiborate Chemical compound [Na+].[Na+].[Na+].[O-][Sb]([O-])([O-])=O NSBGJRFJIJFMGW-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/02—Obtaining antimony
-
- 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
-
- 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
- C22B25/00—Obtaining tin
- C22B25/08—Refining
-
- 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
Definitions
- One of the objects of this invention is to separate the constituents of metallic alloys from each other in the metallic state. More specifically it relates to the separation of antimony in the metallic state from its alloys with either lead or tin, or both.
- Another object of the invention is to adjust or lower the antimony content of antimony alloys to any desirable amount.
- a further object of the invention is the purification of lead, tin, or lead tin alloys containing antimony as an impurity.
- the separation of antimonying therefore determined the amount of antimony present, it is possible to remove any part of the antimony by adding only that proportion of sodium corresponding to the quantity ofantimony to be removed.
- the alldy or compound of sodium and antimony so formed has ahigher melting point than the remaining metal, and the 5 greater part of it rises to the surface of the liquid metal in form of a slump, when the metal' is sufficiently cooled down.
- the crust or slump is intermixed with large .quantities of metal, and the molten metal 40 underneath this crust or slump continues to hold in solution a quantity of the antimonyalkali metal compound or alloy.
- the metal or alloy to be treated is melted in an ordinary kettle or some other suitable vessel, heated approximately 200 C. or more'above its melting point, the alkali metal which ordinarily is sodium on account of its relative cheapness, is stirred into the metal.
- the quantity of sodium added is predetermined by a chemical analysis.
- the temperature of the metallic bath is somewhat Y lowered, suflicientcaustic alkali such as caustic soda isstirred in to dissolve the antimony sodium alloy.
- the amount of caustic soda used is approximately four times the weight of the antimony extracted.
- the caustic soda sodium antimony alloy melt is run oil, allowed to cool, and then treated.
- the treat- .ment consists of washing it with a minimum quantity of water necessary to dissolve the caustic soda, and to react with the sodium in the sodium antimony compound to form the hydroxide. The antimony is liberated in the metallic state.
- the process of separating antimony from lead alloys which comprises treating the alloy with an alkali metal to form a less fusible alloy of antimony and alkali metal dissolving same in caustic alkali in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
- the process of separating antimony from alloys containin tin-which comprises treating the alloy wit-1 sodium and caustic soda to form a less fusible alloy of antimony and sodium dissolving same in caustic soda in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
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)
Description
Patented Dec. 30, 1930 PATENT OFFICE ALBERT HANAK, OF PHILADELPHIA, PENNSYLVANIA PROCESS FOR THE SEPARATION AND PURIFICATION OF METALS AN D METALLIC ALLOYS No Drawing.
7 One of the objects of this invention is to separate the constituents of metallic alloys from each other in the metallic state. More specifically it relates to the separation of antimony in the metallic state from its alloys with either lead or tin, or both.
Another object of the invention is to adjust or lower the antimony content of antimony alloys to any desirable amount.
A further object of the invention is the purification of lead, tin, or lead tin alloys containing antimony as an impurity.
Heretofore the separation of antimonying therefore determined the amount of antimony present, it is possible to remove any part of the antimony by adding only that proportion of sodium corresponding to the quantity ofantimony to be removed. The alldy or compound of sodium and antimony so formed, has ahigher melting point than the remaining metal, and the 5 greater part of it rises to the surface of the liquid metal in form of a slump, when the metal' is sufficiently cooled down. However, the crust or slump is intermixed with large .quantities of metal, and the molten metal 40 underneath this crust or slump continues to hold in solution a quantity of the antimonyalkali metal compound or alloy. I have further discovered that if the metal, treated as described, is mixed with molten caustic alkali while the temperature of the metal is above the melting point of the caustic alkali, the antimony-alkali compound will dissolve in it, and the resulting solution rises to the surface, from which it can easily be drawn off, thereby obtaining a substantially complete Application filed August 8, 1928. Serial No. 298,405.
separation or the antimony sodium com pound from the remaining metal or alloy.
In carrying out the invention, the metal or alloy to be treated is melted in an ordinary kettle or some other suitable vessel, heated approximately 200 C. or more'above its melting point, the alkali metal which ordinarily is sodium on account of its relative cheapness, is stirred into the metal. The quantity of sodium added is predetermined by a chemical analysis. After the sodium has been well admixed with the metal, the temperature of the metallic bath is somewhat Y lowered, suflicientcaustic alkali such as caustic soda isstirred in to dissolve the antimony sodium alloy. The amount of caustic soda used is approximately four times the weight of the antimony extracted. The caustic soda sodium antimony alloy melt is run oil, allowed to cool, and then treated. The treat- .ment consists of washing it with a minimum quantity of water necessary to dissolve the caustic soda, and to react with the sodium in the sodium antimony compound to form the hydroxide. The antimony is liberated in the metallic state. The caustic solution is decanted or filtered. The solution is evap'- orated to dryness, and the dry caustic soda recovered is used over and over again. Excess of caustic soda resulting from the metal-= licsodium may be electrolyzed to obtain metallic sodium, or otherwise is disposed of. 'The following is a specific example of the process. .A quantity of solder metal, 10,000
pounds in weight analyzing 35% tin, 00%
lead, and '5% antimon was heated to 450 -C., and 200-i p ounds 0 sodium were stirred in. After lowering the temperature to 275 C., 2 000 pounds of caustic soda were thoroughly mixed with the metal. The caustic soda melt wasdrawn off, allowed to cool, and treated with allons of water. The metal was again ana yzed and showed an antimony content of 2%. The antimony recovered from the caustic solution amounted to 530 pounds, and analyzed 92% antimony.
I claim:
1. The process of separating antimony from lead alloys which comprises treating the alloy with an alkali metal to form a less fusible alloy of antimony and alkali metal dissolving same in caustic alkali in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
2. The process of separating antimony from lead alloys which comprises treating the alloy with sodium and caustic soda to -form a less fusible alloy of antimony and sodium dissolving same in caustic soda in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
3. The process of separating antimony from alloys containing tin which comprises treating the alloy with an alkali metal to form a less fusible alloy of antimony and alkali metal dissolving same in caustic alkali in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
4 The process of separating antimony from alloys containin tin-which comprises treating the alloy wit-1 sodium and caustic soda to form a less fusible alloy of antimony and sodium dissolving same in caustic soda in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
5. The process of separating antimony from alloys containing tin and lead which comprises treating the alloy with an alkali metal to. form a less fusible alloy of antimony and alkali metal dissolvingsame in caustic alkali in the molten state, separating the caustic melt and treating it withwater thereby separating antimony in the metallic state. 6. The process of separating antimony from alloys containing tin and lead which comprises treating the alloy with sodium and caustic soda to form a less fusible alloy ofantimony and sodium dissolving same in caustic soda in the molten state, separating the caustic melt and treating it with water thereby separating antimony in the metallic state.
ALBERT HANAK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US298405A US1786908A (en) | 1928-08-08 | 1928-08-08 | Process for the separation and purification of metals and metallic alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US298405A US1786908A (en) | 1928-08-08 | 1928-08-08 | Process for the separation and purification of metals and metallic alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1786908A true US1786908A (en) | 1930-12-30 |
Family
ID=23150365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US298405A Expired - Lifetime US1786908A (en) | 1928-08-08 | 1928-08-08 | Process for the separation and purification of metals and metallic alloys |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1786908A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333763A (en) * | 1980-03-20 | 1982-06-08 | Asarco Incorporated | Low temperature, non-SO2 polluting, kettle process for separation of lead from lead sulfide-containing material |
| US4410361A (en) * | 1981-12-29 | 1983-10-18 | Gnb Batteries Inc. | Method for desilverizing and removal of other metal values from lead bullion |
| US4425160A (en) | 1982-11-23 | 1984-01-10 | Gnb Batteries Inc. | Refining process for removing antimony from lead bullion |
| US4427629A (en) | 1982-11-23 | 1984-01-24 | Gnb Batteries Inc. | Process for metal-enrichment of lead bullion |
| US4521247A (en) * | 1980-03-20 | 1985-06-04 | Asarco Incorporated | Low temperature, non-SO2 polluting, kettle process for separation of lead from lead sulfide-containing material |
-
1928
- 1928-08-08 US US298405A patent/US1786908A/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333763A (en) * | 1980-03-20 | 1982-06-08 | Asarco Incorporated | Low temperature, non-SO2 polluting, kettle process for separation of lead from lead sulfide-containing material |
| US4521247A (en) * | 1980-03-20 | 1985-06-04 | Asarco Incorporated | Low temperature, non-SO2 polluting, kettle process for separation of lead from lead sulfide-containing material |
| US4410361A (en) * | 1981-12-29 | 1983-10-18 | Gnb Batteries Inc. | Method for desilverizing and removal of other metal values from lead bullion |
| US4425160A (en) | 1982-11-23 | 1984-01-10 | Gnb Batteries Inc. | Refining process for removing antimony from lead bullion |
| US4427629A (en) | 1982-11-23 | 1984-01-24 | Gnb Batteries Inc. | Process for metal-enrichment of lead bullion |
| FR2536419A1 (en) * | 1982-11-23 | 1984-05-25 | Gnb Batteries Inc | AN IMPROVED REFINING PROCESS FOR REMOVING LEAD ANTIMONY IN INGOTS |
| FR2536420A1 (en) * | 1982-11-23 | 1984-05-25 | Gnb Batteries Inc | PROCESS FOR ENRICHING METAL IN LEAD IN SLOTS |
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