WO2012061897A1 - Séparation et récupération d'agrégats particulaires de bulles - Google Patents

Séparation et récupération d'agrégats particulaires de bulles Download PDF

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Publication number
WO2012061897A1
WO2012061897A1 PCT/AU2011/001460 AU2011001460W WO2012061897A1 WO 2012061897 A1 WO2012061897 A1 WO 2012061897A1 AU 2011001460 W AU2011001460 W AU 2011001460W WO 2012061897 A1 WO2012061897 A1 WO 2012061897A1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
slurry
cells
process according
hydrophobic
Prior art date
Application number
PCT/AU2011/001460
Other languages
English (en)
Inventor
Raymond Shaw
Original Assignee
Minetometal Pty Ltd
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
Priority claimed from AU2010904974A external-priority patent/AU2010904974A0/en
Application filed by Minetometal Pty Ltd filed Critical Minetometal Pty Ltd
Priority to AU2011326354A priority Critical patent/AU2011326354A1/en
Publication of WO2012061897A1 publication Critical patent/WO2012061897A1/fr

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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
    • B03D1/14—Flotation machines
    • B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
    • B01F23/23354—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas being driven away from the rotating stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced under the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • 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
    • 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
    • B03D1/14—Flotation machines
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • 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
    • B03D1/14—Flotation machines
    • B03D1/1418—Flotation machines using centrifugal forces
    • 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
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1468—Discharge mechanisms for the sediments
    • 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
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • 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
    • B03D1/14—Flotation machines
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • 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
    • B03D1/14—Flotation machines
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B03D1/18—Flotation machines with impellers; Subaeration machines without air supply
    • 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
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • 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
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation

Definitions

  • particles range from as fine as lOum up to around 250um with the valuable mineral being present in particles of all of these sizes.
  • the amount of material collected in the froth depends upon the stability of the individual bubbles and the amount of time the froth spends in the flotation tank.
  • the hydrophobic fine particles stabilise the bubbles such that the amount of coalescence is low and therefore more material is collected in the froth as few particles fall off during coalescence and more liquid with entrained solids is retained in the froth as the total liquid content in the plateau borders between the bubbles is dependant on the bubble size.
  • This type of fine bubble froth helps maximise the recovery of all size particles but leads to more unwanted gangue particles being
  • first and second flotation cells wherein the first and second cells operate with different levels of shear and including transfer of externally formed gas bubble hydrophobic particle aggregates to either or both of the first and second cells.
  • gas bubble particle aggregates to achieve separation is applicable to a wide range of materials particularly minerals such as the base metal sulphides , oxides and silicates such as with iron ores , halides such as potash and hydrocarbon containing
  • Figure 8 shows three offtakes from the tank which is operated such that the flow imparted by the impeller is such that there is some size segregation within the tank whereby a stream enriched in coarser particles can be withdrawn using an offtake (18a) near the bottom of the tank for recycle (20a) and/or transfer to the next processing step or disposal (19a) and a stream enriched in finer particles can be withdrawn from a higher level offtake (11a) and recycled separately, normally through the high pressure sparger, and/or transferred for further treatment. Further modifications can be included to the flotation cell design to achieve higher levels of
  • This use of three off takes can enable separation of the pulp into the concentrate product flowing over the top lip, a fine particle slurry stream taken from an outlet part way up the side of the tank and a coarse particle stream taken from an outlet placed near the bottom of the tank can be enhanced by deliberately inducing a swirl within the tank such as can be achieved by using horizontal baffles (21a) such as is done with Toroidal gas solid reactors of the type marketed by Torftech as Torbed.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Physical Water Treatments (AREA)

Abstract

La présente invention concerne une nouvelle approche de l'utilisation d'agrégats particulaires hydrophobes de bulles gazeuses pour obtenir une séparation et une récupération améliorées de minéraux de valeur à partir d'un large éventail de types de minerai. L'invention concerne un procédé de formation d'agrégats particulaires de bulles gazeuses à l'intérieur d'une suspension et la séparation des agrégats formés de la suspension, incluant l'utilisation de premières et de deuxièmes cellules de flottation, les premières et deuxièmes cellules fonctionnant à des niveaux de cisaillement différents, et incluant le transfert des agrégats particulaires hydrophobes de bulles gazeuses dans les unes ou les autres, ou dans les deux, des premières et deuxièmes cellules.
PCT/AU2011/001460 2010-11-11 2011-11-11 Séparation et récupération d'agrégats particulaires de bulles WO2012061897A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2011326354A AU2011326354A1 (en) 2010-11-11 2011-11-11 Separation and recovery of bubble particle aggregates

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AU2010904974 2010-11-11
AU2010904974A AU2010904974A0 (en) 2010-11-11 Efficient Processing of Minerals
AU2011902752 2011-07-11
AU2011902753A AU2011902753A0 (en) 2011-07-11 Improved Particle Separation
AU2011902752A AU2011902752A0 (en) 2011-07-11 Improved Mineral Recovery
AU2011902753 2011-07-11

Publications (1)

Publication Number Publication Date
WO2012061897A1 true WO2012061897A1 (fr) 2012-05-18

Family

ID=46050248

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2011/001460 WO2012061897A1 (fr) 2010-11-11 2011-11-11 Séparation et récupération d'agrégats particulaires de bulles

Country Status (2)

Country Link
AU (1) AU2011326354A1 (fr)
WO (1) WO2012061897A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015028958A1 (fr) * 2013-08-28 2015-03-05 Outotec (Finland) Oy Procédé et appareil pour traiter un courant d'alimentation pour un dispositif de flottaison
WO2019013614A1 (fr) 2017-07-14 2019-01-17 Petroliam Nasional Berhad (Petronas) Système et procédé d'évacuation et de nettoyage de sable
EP3589416A4 (fr) * 2017-02-28 2021-01-13 Cidra Corporate Services LLC Conditionnement d'intensité élevée avant un procédé de séparation minérale assistée
IT201900020606A1 (it) * 2019-11-11 2021-05-11 Bella Paolo De Procedimento e impianto di flottazione chimico-fisica
US11247213B2 (en) 2016-08-15 2022-02-15 Outotec (Finland) Oy Flotation method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070721A (en) * 1976-10-26 1978-01-31 William Stasko Safety attachment for invalid lift and transport apparatus
JP2001346839A (ja) * 2000-06-09 2001-12-18 Randaru Bed Kogyo Kk 介護用リフト
US20090307840A1 (en) * 2006-07-07 2009-12-17 Hans Lingegard Hoist device with sling attachment detectioin
US20100154115A1 (en) * 2006-01-12 2010-06-24 Shl Medical Ab Aid Apparatus
US20100287698A1 (en) * 2009-05-13 2010-11-18 Stryker Corporation Transport apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070721A (en) * 1976-10-26 1978-01-31 William Stasko Safety attachment for invalid lift and transport apparatus
JP2001346839A (ja) * 2000-06-09 2001-12-18 Randaru Bed Kogyo Kk 介護用リフト
US20100154115A1 (en) * 2006-01-12 2010-06-24 Shl Medical Ab Aid Apparatus
US20090307840A1 (en) * 2006-07-07 2009-12-17 Hans Lingegard Hoist device with sling attachment detectioin
US20100287698A1 (en) * 2009-05-13 2010-11-18 Stryker Corporation Transport apparatus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015028958A1 (fr) * 2013-08-28 2015-03-05 Outotec (Finland) Oy Procédé et appareil pour traiter un courant d'alimentation pour un dispositif de flottaison
AU2014313771B2 (en) * 2013-08-28 2016-10-27 Outotec (Finland) Oy Method and apparatus for treating a feed stream for a flotation device
EA029754B1 (ru) * 2013-08-28 2018-05-31 Оутотек (Финлэнд) Ой Способ и установка для обработки сырьевого потока для флотационного устройства
US10569196B2 (en) 2013-08-28 2020-02-25 Outotec (Finland) Oy Method and apparatus for treating a feed stream for a flotation device
US11247213B2 (en) 2016-08-15 2022-02-15 Outotec (Finland) Oy Flotation method
EP3589416A4 (fr) * 2017-02-28 2021-01-13 Cidra Corporate Services LLC Conditionnement d'intensité élevée avant un procédé de séparation minérale assistée
US11247214B2 (en) 2017-02-28 2022-02-15 Cidra Corporate Services Llc High intensity conditioning prior to enhanced mineral separation process
WO2019013614A1 (fr) 2017-07-14 2019-01-17 Petroliam Nasional Berhad (Petronas) Système et procédé d'évacuation et de nettoyage de sable
US11819784B2 (en) 2017-07-14 2023-11-21 Petroliam Nasional Berhad (Petronas) Sand cleaning and disposal system and method
IT201900020606A1 (it) * 2019-11-11 2021-05-11 Bella Paolo De Procedimento e impianto di flottazione chimico-fisica

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Publication number Publication date
AU2011326354A1 (en) 2013-06-06

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