US1217437A - Process of concentrating oxid ores of copper. - Google Patents
Process of concentrating oxid ores of copper. Download PDFInfo
- Publication number
- US1217437A US1217437A US13914816A US13914816A US1217437A US 1217437 A US1217437 A US 1217437A US 13914816 A US13914816 A US 13914816A US 13914816 A US13914816 A US 13914816A US 1217437 A US1217437 A US 1217437A
- Authority
- US
- United States
- Prior art keywords
- copper
- iron
- pulp
- concentrating
- ores
- 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
- 229910052802 copper Inorganic materials 0.000 title description 21
- 239000010949 copper Substances 0.000 title description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title description 20
- 238000000034 method Methods 0.000 title description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 52
- 229910052742 iron Inorganic materials 0.000 description 26
- 238000005188 flotation Methods 0.000 description 13
- 230000001376 precipitating effect Effects 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000006148 magnetic separator Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 108091005950 Azurite Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000948258 Gila Species 0.000 description 1
- 241000907663 Siproeta stelenes Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- GWBUNZLLLLDXMD-UHFFFAOYSA-H tricopper;dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Cu+2].[Cu+2].[Cu+2].[O-]C([O-])=O.[O-]C([O-])=O GWBUNZLLLLDXMD-UHFFFAOYSA-H 0.000 description 1
Images
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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/02—Obtaining nickel or cobalt by dry processes
- C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S209/00—Classifying, separating, and assorting solids
- Y10S209/901—Froth flotation; copper
Definitions
- My invention relates to a process for treating copper ores of the mid type to make them amenable to flotation.
- oxid ores cuprite, tenorite, malachite, azurite, etc.
- sulfid ores are not ordinarily capable of concentration by flotation.
- the process consists in agitating the ground ore or pulp to which flotation oil may have already been added, in the presence 'of an acid, such as sulfuric acid, which dissolves the soluble copper constituents of the ore.
- the agitation may be readily effected by blowing air into the vessel containing the ore pulp.
- the pulp is then subjected to the action of finely divided iron, obtained in any suitable manner, as in the form of filings, or the line iron resulting from the action of steel balls in b-all mills, or sponge iron formed by the reduction of iron oxids by carbon or oil at a temperature below the melting point of iron.
- the result of the addition of the iron to the pulp is to cause the precipitation of cement copper from the acid solution.
- the iron is then separated from the pulp in any suitable .manner, as by a magnetic separator.
- the pulp from which the iron has been separated is then treated in a flotation machine which may be of any of the well-known constructions.
- the cement copper and copper-sulfide, if any, present in the pulp are separated by the flotation operation and collected in the usual way.
- This treatment may be combined with any of the known processes of ore concentration, for instance, the pulp may undergo a preliminary table or other gravity treatment, or a preliminary flotation before the acid treatment above described.
- the tailings produced may be subjected to either gravity or flotation concentration.
- A is an agitating tank,wh1ch may be divided by partitions 2, into several compartments, into each of which air under pressure is introduced through pipes 3 connected to an air-main 4:.
- the ore-pulp and acid are introduced at the head-end of the tank through pipes 5 and 6.
- the pulp travels in succession through the compartments and is delivered through pipe '7 to a precipitating tank B similar in construction to the agitating tank A and also provided with agitating means.
- the pulp is delivered by pipe 8 and launder 9 to the magnetic separator C, by which the iron which has not been dissolved is removed.
- Any suitable form of magnetic separator may be used, such as a belt 10 traveling over a magnetized pulley 11.
- the iron which is separated is delivered by hopper 12 into a receptacle 13, from which it may be conducted by any suitable elevator 14 to the head end of the tank B, for re-use.
- the unmagnetic portion of the pulp passes over plate 15 to a flotation machine D, which may be of any of the well known constructions, such as the heater or pneumatic types.
- the function of the magnetic separator is not only to economize in iron consumption, but mainly to keep up an appreciable return of iron to the tank B, for the purpose of maintaining in the same, a high percentage of iron particles, although the quantity of iron added in the form of fresh iron may be small.
- a large surface of metallic iron will thus be constantly exposed to the cop er solutions in the precipitating tank and the reaction will, accordingly take place rapidly.
- an agitating tank of very small dimensions serves the purpose of precipitating the copper contained in a large amount of pulp.
- the flotation machine D roduce's a concentrate consisting mainly of cementcopper, in case there are being treated ores, such as what are known as oxid ores, the copper contents of which are essentiall soluble in sulfuric acid. If, however, sul ds are present in the ore, they will go into the concentrate along with thecement copper.
- I claim 1- The process of concentrating oxid ores of copper which consists in adding thereto acid to dissolve the soluble copper 1ngre towers, precipitating the copper from solution by iron, separating the undissolved iron from the pulp, and subjecting the residue to a flotation operation.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Description
RUDOLF GAHL, OF MIAMI, ARIZONA.
PROCESS OF CONCENTRATING OXID ORES OF COPPER.
Specification of Letters Patent.
Patented Feb. 27, 1917.
Application filed December 27, 1916. Serial No. 139,148.
To all whom it may concern Be it known that I, RUDoLF GAHL,3. citizen of the United States, residing at Miami, in the county of Gila and State of Arizona, have invented certain new and useful Improvements in Processes of Concentrating Oxid Ores of Copper, of which the following is a specification.
My invention relates to a process for treating copper ores of the mid type to make them amenable to flotation. These socalled oxid ores (cuprite, tenorite, malachite, azurite, etc.) in contradistinction to the sulfid ores are not ordinarily capable of concentration by flotation.
The process consists in agitating the ground ore or pulp to which flotation oil may have already been added, in the presence 'of an acid, such as sulfuric acid, which dissolves the soluble copper constituents of the ore. The agitation may be readily effected by blowing air into the vessel containing the ore pulp. The pulp is then subjected to the action of finely divided iron, obtained in any suitable manner, as in the form of filings, or the line iron resulting from the action of steel balls in b-all mills, or sponge iron formed by the reduction of iron oxids by carbon or oil at a temperature below the melting point of iron.
The result of the addition of the iron to the pulp is to cause the precipitation of cement copper from the acid solution. The iron is then separated from the pulp in any suitable .manner, as by a magnetic separator. The pulp from which the iron has been separated is then treated in a flotation machine which may be of any of the well-known constructions.
The cement copper and copper-sulfide, if any, present in the pulp are separated by the flotation operation and collected in the usual way.
This treatment may be combined with any of the known processes of ore concentration, for instance, the pulp may undergo a preliminary table or other gravity treatment, or a preliminary flotation before the acid treatment above described. The tailings produced may be subjected to either gravity or flotation concentration.
4 Any suitable apparatus may be employed, one form designed for continuous o eratlon being shown in the accompanying rawings in which A is an agitating tank,wh1ch may be divided by partitions 2, into several compartments, into each of which air under pressure is introduced through pipes 3 connected to an air-main 4:.
The ore-pulp and acid are introduced at the head-end of the tank through pipes 5 and 6. The pulp travels in succession through the compartments and is delivered through pipe '7 to a precipitating tank B similar in construction to the agitating tank A and also provided with agitating means.
From the precipitating tank B, the pulp is delivered by pipe 8 and launder 9 to the magnetic separator C, by which the iron which has not been dissolved is removed. Any suitable form of magnetic separator may be used, such as a belt 10 traveling over a magnetized pulley 11. The iron which is separated is delivered by hopper 12 into a receptacle 13, from which it may be conducted by any suitable elevator 14 to the head end of the tank B, for re-use. The unmagnetic portion of the pulp, passes over plate 15 to a flotation machine D, which may be of any of the well known constructions, such as the heater or pneumatic types. The function of the magnetic separator is not only to economize in iron consumption, but mainly to keep up an appreciable return of iron to the tank B, for the purpose of maintaining in the same, a high percentage of iron particles, although the quantity of iron added in the form of fresh iron may be small. A large surface of metallic iron will thus be constantly exposed to the cop er solutions in the precipitating tank and the reaction will, accordingly take place rapidly. In this manner an agitating tank of very small dimensions serves the purpose of precipitating the copper contained in a large amount of pulp. The flotation machine D roduce's a concentrate consisting mainly of cementcopper, in case there are being treated ores, such as what are known as oxid ores, the copper contents of which are essentiall soluble in sulfuric acid. If, however, sul ds are present in the ore, they will go into the concentrate along with thecement copper.
I claim 1- 1. The process of concentrating oxid ores of copper which consists in adding thereto acid to dissolve the soluble copper 1ngre dients, precipitating the copper from solution by iron, separating the undissolved iron from the pulp, and subjecting the residue to a flotation operation.
2. The process of concentrating oxid ores of copper which consists in adding thereto acid to dissolve the soluble copper ingredients, precipitating the copper from solution by iron, magnetically separating the undissolved iron'from the pulp, and subjecting the residue to a flotation operation.
3. The process of concentrating oXid ores of copper which consists in adding thereto acid to dissolve the soluble copper ingredients, precipitating the copper from solution by iron, separating the undissolved iron from the pulp re-using the recovered iron for further precipitation, and subjecting the residue to a flotation operation.
4. The continuous process of concentrating oxid ores of copper which consists in agitating the pulp in the presence of acid, precipitating the copper from the pulp by metallic iron, magnetically separating the undissolved iron, re-using the thus recovered metallic iron for further precipitation, and subjecting the pulp'containing the cement-copper to flotation.
In testimony whereof I aflix my s1gnature in presence of two Witnesses.
RUDOLF GAHlL.
Witnesses:
F. S. TRELOAR, A. Rim).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13914816A US1217437A (en) | 1916-12-27 | 1916-12-27 | Process of concentrating oxid ores of copper. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13914816A US1217437A (en) | 1916-12-27 | 1916-12-27 | Process of concentrating oxid ores of copper. |
Publications (1)
Publication Number | Publication Date |
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US1217437A true US1217437A (en) | 1917-02-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13914816A Expired - Lifetime US1217437A (en) | 1916-12-27 | 1916-12-27 | Process of concentrating oxid ores of copper. |
Country Status (1)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716600A (en) * | 1950-08-29 | 1955-08-30 | Anaconda Copper Mining Co | Method of recovering copper from sulfidic copper ore |
US2830895A (en) * | 1953-01-09 | 1958-04-15 | James C Grant | Method of recovering metal values from ores |
US3288598A (en) * | 1963-04-11 | 1966-11-29 | Phelps Dodge Corp | Method for recovering metals |
US3333953A (en) * | 1963-10-28 | 1967-08-01 | Kennecott Copper Corp | Process and apparatus for the precipitation of substances from solution using solid precipitants |
US3511488A (en) * | 1966-09-29 | 1970-05-12 | Robert Arthur Stubblefield | Ultrasonic copper precipitator |
US3900314A (en) * | 1971-03-26 | 1975-08-19 | Cities Service Oil Co | Process for recovering dissolved copper from solutions containing copper |
US4027864A (en) * | 1975-03-03 | 1977-06-07 | Cities Service Company | Process and apparatus for recovering dissolved copper from solutions containing copper |
-
1916
- 1916-12-27 US US13914816A patent/US1217437A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716600A (en) * | 1950-08-29 | 1955-08-30 | Anaconda Copper Mining Co | Method of recovering copper from sulfidic copper ore |
US2830895A (en) * | 1953-01-09 | 1958-04-15 | James C Grant | Method of recovering metal values from ores |
US3288598A (en) * | 1963-04-11 | 1966-11-29 | Phelps Dodge Corp | Method for recovering metals |
US3333953A (en) * | 1963-10-28 | 1967-08-01 | Kennecott Copper Corp | Process and apparatus for the precipitation of substances from solution using solid precipitants |
US3511488A (en) * | 1966-09-29 | 1970-05-12 | Robert Arthur Stubblefield | Ultrasonic copper precipitator |
US3900314A (en) * | 1971-03-26 | 1975-08-19 | Cities Service Oil Co | Process for recovering dissolved copper from solutions containing copper |
US4027864A (en) * | 1975-03-03 | 1977-06-07 | Cities Service Company | Process and apparatus for recovering dissolved copper from solutions containing copper |
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