ZA927932B - Method for controlling calcium sulfate scaling in metal mining circuits. - Google Patents
Method for controlling calcium sulfate scaling in metal mining circuits.Info
- Publication number
- ZA927932B ZA927932B ZA927932A ZA927932A ZA927932B ZA 927932 B ZA927932 B ZA 927932B ZA 927932 A ZA927932 A ZA 927932A ZA 927932 A ZA927932 A ZA 927932A ZA 927932 B ZA927932 B ZA 927932B
- Authority
- ZA
- South Africa
- Prior art keywords
- calcium sulfate
- metal mining
- controlling calcium
- sulfate scaling
- mining circuits
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77693691A | 1991-10-15 | 1991-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA927932B true ZA927932B (en) | 1993-04-26 |
Family
ID=25108787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA927932A ZA927932B (en) | 1991-10-15 | 1992-10-14 | Method for controlling calcium sulfate scaling in metal mining circuits. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0538026A1 (xx) |
AU (1) | AU2701392A (xx) |
ZA (1) | ZA927932B (xx) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69428230T2 (de) * | 1993-06-14 | 2002-06-27 | Solutia Europ Nv Sa | Verfahren zur Verhinderung von Oxalatablagerungen |
EP0629585A1 (en) * | 1993-06-14 | 1994-12-21 | Monsanto Europe S.A./N.V. | Process of inhibition oxalate scale formation |
FR2742429B1 (fr) * | 1995-12-13 | 1998-02-20 | Degremont | Procede de desulfatation d'eaux saturees en sultate de calcium |
FR2742430B1 (fr) * | 1995-12-13 | 1998-09-04 | Degremont | Procede de dessalement, de demineralisation de solutions contenant des acides et/ou des sels metalliques |
WO2014176419A1 (en) | 2013-04-24 | 2014-10-30 | Kemira Oyj | Scale-inhibiting polymers and methods for controlling scale formation |
US11535911B2 (en) | 2019-10-29 | 2022-12-27 | Solenis Technologies, L.P. | Method for reducing formation of CaSO4 and Fe2O3 containing deposits in a pressure oxidation autoclave and/or adjacent circuits during pressure oxidation of gold-containing ore |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3928196A (en) * | 1973-12-05 | 1975-12-23 | Calgon Corp | Inhibition of scale deposition |
US4640793A (en) * | 1984-02-14 | 1987-02-03 | Calgon Corporation | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
US4618448A (en) * | 1984-11-09 | 1986-10-21 | Calgon Corporation | Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control |
NZ225541A (en) * | 1987-08-03 | 1991-04-26 | Calgon Corp | Inhibition of caco 3 scaling using a polymer/phosphonate mixture |
US4933090A (en) * | 1987-12-23 | 1990-06-12 | Calgon Corporation | Method for controlling silica/silicate deposition in aqueous systems using phosphonates and carboxylic/sulfonic polymers |
US4818506A (en) * | 1988-01-15 | 1989-04-04 | Nalco Chemical Company | Gypsum scale inhibitors for flue gas desulfurization systems |
-
1992
- 1992-10-14 ZA ZA927932A patent/ZA927932B/xx unknown
- 1992-10-14 AU AU27013/92A patent/AU2701392A/en not_active Abandoned
- 1992-10-15 EP EP92309397A patent/EP0538026A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU2701392A (en) | 1993-04-22 |
EP0538026A1 (en) | 1993-04-21 |
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