US2098063A - Process for deoxidation of copper - Google Patents
Process for deoxidation of copper Download PDFInfo
- Publication number
- US2098063A US2098063A US146964A US14696437A US2098063A US 2098063 A US2098063 A US 2098063A US 146964 A US146964 A US 146964A US 14696437 A US14696437 A US 14696437A US 2098063 A US2098063 A US 2098063A
- Authority
- US
- United States
- Prior art keywords
- copper
- deoxidation
- molten
- act
- metaphosphoric acid
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title description 24
- 229910052802 copper Inorganic materials 0.000 title description 24
- 239000010949 copper Substances 0.000 title description 24
- 229940108928 copper Drugs 0.000 description 23
- 230000004907 flux Effects 0.000 description 10
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002893 slag Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012530 fluid Substances 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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
Definitions
- the operation is efiected either by placing the molten metal in a heated furnace and by placing above a. deoxidizing flux or slag which is caused to act for the time necessary, or by introducingthe flux into the pouring jet oi; the copper or into the ladle into which the copper is poured, or by causing the copper to flow through the molten flux placed in a crucible, or again by violently intermixing the liquid copper with a 5 flux or slag capable of absorbing the copper oxides, this intermlxing being for example efiected by violently pouring the copper for example in a large jet upon a slag molten in advance in the bottom ofa ladle, the size of the jet and the 0 height from which the metal is poured being such that the slag forms a.sort of emulsion in the metal and that the operation of deoxidation is almost instantaneous, according to the process previously patented by applicant for purifying 25 copper by violentintermixing of molten fluid s
- the present invention has for subject the appli-' cation of metaphosphoric acid to the deoxidation of copper by an operation of the kind of those 30 mentioned above.
- Metaphosphoric acid has been found in fact to be a particularly active flux which permits in a short time considerable quantities of oxygen to be extracted from molten copper.
- Metaphosphoric acid may be put either in the solid state or in the liquid state into contact with the copper.
- Example 5 In a crucible, kgs. of copper was melted. The bath when formed had an oxygen content of 0.20%. To the bath, 1 kg. of metaphosphoric acid was added and allowed to melt and to act on 10 the metal for about 15 minutes. After this period 'of action the oxygen content of the metal had fallen to 0.020%.
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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR681073X | 1936-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2098063A true US2098063A (en) | 1937-11-02 |
Family
ID=9022616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US146964A Expired - Lifetime US2098063A (en) | 1936-06-16 | 1937-06-07 | Process for deoxidation of copper |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2098063A (en(2012)) |
| BE (1) | BE421815A (en(2012)) |
| DE (1) | DE681073C (en(2012)) |
| FR (1) | FR819165A (en(2012)) |
| GB (2) | GB474585A (en(2012)) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306329A (en) * | 1993-04-09 | 1994-04-26 | Goodman Jr Warren B | Phosphorous deoxidation of metal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU169980B (en(2012)) * | 1975-04-16 | 1977-03-28 |
-
0
- BE BE421815D patent/BE421815A/xx unknown
-
1936
- 1936-06-16 FR FR819165D patent/FR819165A/fr not_active Expired
-
1937
- 1937-06-01 GB GB15254/37A patent/GB474585A/en not_active Expired
- 1937-06-07 US US146964A patent/US2098063A/en not_active Expired - Lifetime
- 1937-06-12 DE DES127577D patent/DE681073C/de not_active Expired
- 1937-06-16 GB GB16773/37A patent/GB481844A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5306329A (en) * | 1993-04-09 | 1994-04-26 | Goodman Jr Warren B | Phosphorous deoxidation of metal |
Also Published As
| Publication number | Publication date |
|---|---|
| GB474585A (en) | 1937-11-03 |
| GB481844A (en) | 1938-03-18 |
| DE681073C (de) | 1939-09-14 |
| FR819165A (fr) | 1937-10-12 |
| BE421815A (en(2012)) |
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