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
Application number
ZA927932A
Other languages
English (en)
Inventor
Nicholas J Alfano
Original Assignee
Calgon Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Calgon Corp filed Critical Calgon Corp
Publication of ZA927932B publication Critical patent/ZA927932B/xx

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)
ZA927932A 1991-10-15 1992-10-14 Method for controlling calcium sulfate scaling in metal mining circuits. ZA927932B (en)

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 (fr)
AU (1) AU2701392A (fr)
ZA (1) ZA927932B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE205460T1 (de) * 1993-06-14 2001-09-15 Solutia Europ Nv Sa Verfahren zur verhinderung von oxalatablagerungen
EP0629585A1 (fr) * 1993-06-14 1994-12-21 Monsanto Europe S.A./N.V. Procédé empêchant la formation des dépôts d'oxalata
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
AP2015008864A0 (en) 2013-04-24 2015-11-30 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0538026A1 (fr) 1993-04-21
AU2701392A (en) 1993-04-22

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