US2469368A - Froth flotation of sulfide ores with phenyl-imido-amyl-dithiocarbonate - Google Patents
Froth flotation of sulfide ores with phenyl-imido-amyl-dithiocarbonate Download PDFInfo
- Publication number
- US2469368A US2469368A US713910A US71391046A US2469368A US 2469368 A US2469368 A US 2469368A US 713910 A US713910 A US 713910A US 71391046 A US71391046 A US 71391046A US 2469368 A US2469368 A US 2469368A
- Authority
- US
- United States
- Prior art keywords
- amyl
- froth flotation
- phenyl
- dithiocarbonate
- imido
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
-
- 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
- This invention relates to the concentration of ores and has for an object the provision of certain improvements in concentration operations. More particularly, the invention contemplates the provision of certain improvements in flotation concentration operations. A further object of the invention is to provide certain improvements in flotation methods or processes.
- R represents an amyl radical
- R" represents a phenyl radical
- M represents hydrogen, a metal such, for example, as an alkali metal or an ammonium radical.
- the invention is based on our discovery that products resulting from reactions between a trithiocarbonate and an amine are effective mineral collecting agents when em-' means of a double bond between the nitrogen and the carbon of the original trithiocarbonate.
- the reagent employed is a product resulting from a reaction between an alkali metal amyl trithiocarbonate, such, for example, as sodium amyl trithiocarbonate and aniline hydrochloride.
- a neutral, acid or alkaline circuit may be employed.
- the flotation reagents or compounds may be employed advantageously in froth flotation operations designed for the concentration of both non-metallic minerals and metallic minerals and in froth flotation operations designed for the concentration of both oxidized ores and sulphide designed for the concentration of copper sulphide ores and other sulphide ores.
- the product of the above-described reaction was employed as the collecting agent in a flotation treatment of copper sulphide ore from the Teniente mine of the Braden Copper Company.
- the ore contained 2.23 percent total copper and 0.25 percent oxide copper. It was wet ground with the collecting agent which was added at the rate of '72 grams per metric ton of ore. The grinding was carried out with an aqueous pulp containing 67 percent solids, and the product was ground to percent minus 200-mesh (Tyler series). The pulp was transferred to a flotation cell and diluted to 18 percent solids.
- Sulphuric acid was added at the rate of 2.27 kilograms per metric ton of ore, and cresylic acid was added at the rate of 181 grams per metric ton of ore.
- the pulp was conditioned for one minute, and, thereafter, froth was removed for eleven minutes.
- the concentrate obtained contained 25.42 percent copper, and 89.25 per cent of the copper contained in the ore was recovered in the concentrate.
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Patented May 10, 1949 FROTH FLOTATION OF SULFIDE ORES WITH PH CARBONATE ENYL-IIHIDO-AMYL-DITHIO- Roberto Carvajal and Juan Jos Quiroga, Sewell,
Chile, assignors to Kcnnecott Copper Corporation, New York, N. Y., a corporation of New York No Drawing.
Application December 4, 1946, Se-
rial No. 713,910. In Chile February 19, 1946 2 Claims. 1
This invention relates to the concentration of ores and has for an object the provision of certain improvements in concentration operations. More particularly, the invention contemplates the provision of certain improvements in flotation concentration operations. A further object of the invention is to provide certain improvements in flotation methods or processes.
The invention is based on our discovery that compounds having the following general structural formula are highly effective flotation reagents which may be employed advantageouslyas mineral collecting agents in conjunction with frothing agents and conditioning agents in froth flotation operations:
sn' 04m.
in which R represents an amyl radical, R" represents a phenyl radical and M represents hydrogen, a metal such, for example, as an alkali metal or an ammonium radical.
In one of its phases, the invention is based on our discovery that products resulting from reactions between a trithiocarbonate and an amine are effective mineral collecting agents when em-' means of a double bond between the nitrogen and the carbon of the original trithiocarbonate.
In a preferred process of the invention, the reagent employed is a product resulting from a reaction between an alkali metal amyl trithiocarbonate, such, for example, as sodium amyl trithiocarbonate and aniline hydrochloride.
In practicing a method or process of the invention, a neutral, acid or alkaline circuit may be employed. We prefer to employ an acid circuit in the treatment of copper sulphide ores.
The flotation reagents or compounds may be employed advantageously in froth flotation operations designed for the concentration of both non-metallic minerals and metallic minerals and in froth flotation operations designed for the concentration of both oxidized ores and sulphide designed for the concentration of copper sulphide ores and other sulphide ores.
The following example illustrates the method of producing a compound or reaction product for use as a flotation reagent in carrying out a process of our invention and it demonstrates the advantages of the reagents and processes of the invention.
In producing a reaction product for use in carrying outa flotation process of our invention, we have employed the following'procedure:
Aqueous solutions of molecular quantitiesof sodium amyl trithiocarbonate and aniline hydrochloride were mixed and allowed to react. During the reaction, hydrogen sulphide was given off and sodium chloride was formed as a byproduct. The principal product was a black oily liquid of greater density than water, and it was separated by decantation. After several hours, crystals were formed. The reaction appears to take place according to the following equation:
The product of the above-described reaction was employed as the collecting agent in a flotation treatment of copper sulphide ore from the Teniente mine of the Braden Copper Company. The ore contained 2.23 percent total copper and 0.25 percent oxide copper. It was wet ground with the collecting agent which was added at the rate of '72 grams per metric ton of ore. The grinding was carried out with an aqueous pulp containing 67 percent solids, and the product was ground to percent minus 200-mesh (Tyler series). The pulp was transferred to a flotation cell and diluted to 18 percent solids. Sulphuric acid was added at the rate of 2.27 kilograms per metric ton of ore, and cresylic acid was added at the rate of 181 grams per metric ton of ore. The pulp was conditioned for one minute, and, thereafter, froth was removed for eleven minutes.
The concentrate obtained contained 25.42 percent copper, and 89.25 per cent of the copper contained in the ore was recovered in the concentrate.
We claim:
1. The method of concentrating a metal sulphide ore which comprises subjectingthe ore in the form of a pulp to a froth flotation operation in the presence of a compound having the followin which R represent an amyl radical. R" repreing structural formula:
cents a phenyl radical and M represents hydro- I gen. a metal or an ammonium radical. cmw ROBER'IO CARVAJAL.
. M i 6 JUAN Joell: QUIROGA. in which R represents an amyl radical, R repre- REFERENCES CITED zigf fifgi g fgg' ggg g .2323 hydro' The following references are of record in the 2. The method of concentrating a copper sul- 10 me of this patent: 1 phide ore which comprises subjecting the ore in UNITED STATES PATENTS; the form of a pulp to a froth flotation operation in the presence of a compound having the followaggi 3 tructural formula: a 111g 8 15 1,847,684 Nye Mar. 1, 1932 SR 0 3m!
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CL2469368X | 1946-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2469368A true US2469368A (en) | 1949-05-10 |
Family
ID=4574616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US713910A Expired - Lifetime US2469368A (en) | 1946-02-19 | 1946-12-04 | Froth flotation of sulfide ores with phenyl-imido-amyl-dithiocarbonate |
Country Status (1)
Country | Link |
---|---|
US (1) | US2469368A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2691635A (en) * | 1953-05-20 | 1954-10-12 | Dow Chemical Co | Process for the manufacture of dialkyl thionocarbamates |
US3901450A (en) * | 1969-11-03 | 1975-08-26 | David Weston | Flotation with xanthate |
US4702822A (en) * | 1985-07-12 | 1987-10-27 | The Dow Chemical Company | Novel collector composition for froth flotation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1510652A (en) * | 1922-04-01 | 1924-10-07 | Nc-scn | |
US1847664A (en) * | 1927-02-02 | 1932-03-01 | Edna M Ney | Flotation of ores |
-
1946
- 1946-12-04 US US713910A patent/US2469368A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1510652A (en) * | 1922-04-01 | 1924-10-07 | Nc-scn | |
US1847664A (en) * | 1927-02-02 | 1932-03-01 | Edna M Ney | Flotation of ores |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2691635A (en) * | 1953-05-20 | 1954-10-12 | Dow Chemical Co | Process for the manufacture of dialkyl thionocarbamates |
US3901450A (en) * | 1969-11-03 | 1975-08-26 | David Weston | Flotation with xanthate |
US4702822A (en) * | 1985-07-12 | 1987-10-27 | The Dow Chemical Company | Novel collector composition for froth flotation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103909020A (en) | Flotation separation inhibitor and separation method of galena, pyrite and sphalerite | |
US3811569A (en) | Flotation recovery of molybdenite | |
CN105312161B (en) | A kind of lead zinc sulphur bulk flotation separates the preparation method of inhibitor | |
CN105834008A (en) | Preparation method of inhibitors for arsenic-containing sulfide minerals in copper tailings | |
CN101003029A (en) | Method for floating inhibited iron sulfide minerals | |
US1833740A (en) | Process of ore flotation | |
US2469368A (en) | Froth flotation of sulfide ores with phenyl-imido-amyl-dithiocarbonate | |
US4425230A (en) | Separation of molybdenite from its mixture with other sulfide ores | |
CN101623674A (en) | Method for floating inhibited iron sulfide minerals | |
US1364307A (en) | Flotation of minerals | |
GB373663A (en) | Improvements in or relating to the flotation concentration of minerals | |
US2412500A (en) | Froth flotation of sulphide ores | |
GB2182587A (en) | Froth flotation of nickel sulphide minerals | |
US2410021A (en) | Flotation process | |
US2512669A (en) | Flotation process | |
US2390540A (en) | Recovery of copper from copperbearing solutions | |
US2512715A (en) | Froth flotation of sulfide ores | |
US2644580A (en) | Mineral flotation | |
US4510050A (en) | Metal trithiocarbonates as depressants | |
US1988052A (en) | Process for concentrating carbonate and oxidized ores and minerals | |
US3303021A (en) | Recovery of copper from low-grade copper sulfide ores | |
JPH031069B2 (en) | ||
US3596838A (en) | Flotation of sulphide ores | |
US1807860A (en) | Separation of minerals | |
US1833427A (en) | Flotation concentration of metalliferous minerals |