CA990868A - Pyrite depression in coal flotation by the addition of sodium sulfite - Google Patents
Pyrite depression in coal flotation by the addition of sodium sulfiteInfo
- Publication number
- CA990868A CA990868A CA175,560A CA175560A CA990868A CA 990868 A CA990868 A CA 990868A CA 175560 A CA175560 A CA 175560A CA 990868 A CA990868 A CA 990868A
- Authority
- CA
- Canada
- Prior art keywords
- addition
- sodium sulfite
- coal flotation
- pyrite
- depression
- 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
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 title 2
- 239000003245 coal Substances 0.000 title 1
- 238000005188 flotation Methods 0.000 title 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title 1
- 229910052683 pyrite Inorganic materials 0.000 title 1
- 239000011028 pyrite Substances 0.000 title 1
- 235000010265 sodium sulphite Nutrition 0.000 title 1
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
- B03D1/02—Froth-flotation processes
- B03D1/06—Froth-flotation processes differential
-
- 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
- B03D1/002—Inorganic compounds
-
- 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
- B03D1/006—Hydrocarbons
-
- 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
- B03D1/008—Organic compounds containing oxygen
-
- 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
-
- 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
- B03D2203/04—Non-sulfide ores
- B03D2203/08—Coal ores, fly ash or soot
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Liquid Carbonaceous Fuels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US289037A US3919080A (en) | 1972-09-14 | 1972-09-14 | Pyrite depression in coal flotation by the addition of sodium sulfite |
Publications (1)
Publication Number | Publication Date |
---|---|
CA990868A true CA990868A (en) | 1976-06-08 |
Family
ID=23109753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA175,560A Expired CA990868A (en) | 1972-09-14 | 1973-07-03 | Pyrite depression in coal flotation by the addition of sodium sulfite |
Country Status (2)
Country | Link |
---|---|
US (1) | US3919080A (en) |
CA (1) | CA990868A (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4452714A (en) * | 1977-09-30 | 1984-06-05 | Mccarthy James R | Bituminous coal reagent and flotation process |
US4308132A (en) * | 1977-09-30 | 1981-12-29 | James R. McCarthy | Bituminous coal reagent and flotation process |
US4372864A (en) * | 1977-12-15 | 1983-02-08 | Mccarthy James R | Reagent for froth flotation of bituminous coal |
US4222861A (en) * | 1978-06-08 | 1980-09-16 | Nalco Chemical Company | Treatment and recovery of larger particles of fine oxidized coal |
US4222862A (en) * | 1978-10-06 | 1980-09-16 | Nalco Chemical Company | Flotation of oxidized coal with a latex emulsion of sodium polyacrylate used as a promoter |
US4248698A (en) * | 1979-10-05 | 1981-02-03 | Otisca Industries Limited | Coal recovery process |
US4515688A (en) * | 1982-08-20 | 1985-05-07 | South American Placers, Inc. | Process for the selective separation of base metal sulfides and oxides contained in an ore |
US4650569A (en) * | 1983-03-18 | 1987-03-17 | South American Placers, Inc. | Process for the selective separation of base metal sulfides and oxides contained in an ore |
US4514292A (en) * | 1983-11-09 | 1985-04-30 | Hercules Incorporated | Froth flotation process |
US4830740A (en) * | 1988-04-19 | 1989-05-16 | The Dow Chemical Company | Pyrite depressants useful in the separation of pyrite from coal |
US4826588A (en) * | 1988-04-28 | 1989-05-02 | The Dow Chemical Company | Pyrite depressants useful in the separation of pyrite from coal |
US5171428A (en) * | 1991-11-27 | 1992-12-15 | Beattie Morris J V | Flotation separation of arsenopyrite from pyrite |
US6041941A (en) * | 1997-06-26 | 2000-03-28 | Boc Gases Australia Limited | Reagent consumption in mineral separation circuits |
US9346062B2 (en) | 2009-12-04 | 2016-05-24 | Barrick Gold Corporation | Separation of copper minerals from pyrite using air-metabisulfite treatment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1636974A (en) * | 1927-07-26 | Selective flotation of minerals from crude ores | ||
US1678259A (en) * | 1927-06-30 | 1928-07-24 | Harold S Martin | Process of concentrating mixed-sulphide ores |
US2136074A (en) * | 1936-08-26 | 1938-11-08 | Bruce D Crawford | Flotation of culm |
-
1972
- 1972-09-14 US US289037A patent/US3919080A/en not_active Expired - Lifetime
-
1973
- 1973-07-03 CA CA175,560A patent/CA990868A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3919080A (en) | 1975-11-11 |
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