WO2012116909A1 - Trenneinrichtung zum separieren von in einer suspension enthaltenen magnetischen oder magnetisierbaren teilchen - Google Patents
Trenneinrichtung zum separieren von in einer suspension enthaltenen magnetischen oder magnetisierbaren teilchen Download PDFInfo
- Publication number
- WO2012116909A1 WO2012116909A1 PCT/EP2012/052926 EP2012052926W WO2012116909A1 WO 2012116909 A1 WO2012116909 A1 WO 2012116909A1 EP 2012052926 W EP2012052926 W EP 2012052926W WO 2012116909 A1 WO2012116909 A1 WO 2012116909A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- separating
- separation channel
- coils
- separating device
- magnetic
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 31
- 239000002245 particle Substances 0.000 title claims abstract description 27
- 239000000725 suspension Substances 0.000 title claims abstract description 20
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims description 47
- 230000010363 phase shift Effects 0.000 claims description 2
- 239000006249 magnetic particle Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0335—Component parts; Auxiliary operations characterised by the magnetic circuit using coils
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- B03C1/031—Component parts; Auxiliary operations
- B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
- B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
- B03C1/24—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields
- B03C1/253—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp with material carried by travelling fields obtained by a linear motor
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/288—Magnetic plugs and dipsticks disposed at the outer circumference of a recipient
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/22—Details of magnetic or electrostatic separation characterised by the magnetical field, special shape or generation
Definitions
- the invention relates to a separating device for separating magnetic or magnetizable particles contained in a suspension, with a permeable by the suspension separation channel disposed on one side of the separation channel ferromagnetic yoke, at least one magnetic field generating means for generating a magnetic deflection field and arranged at the output of the separation channel Separating element for separating the magnetic or magnetizable particles, wherein the magnetic field generating means comprises a plurality along the separating channel arranged, with a tax ⁇ generating device controllable coils.
- This separator is used for a continuous process for separating a mixture containing both magnetizable and non-magnetizable particles.
- a time-varying deflection magnetic field is generated by the coils, in particular a traveling wave, so that the particles accumulate under the influence of the magnetic field or the magnetic field gradient on an inner surface of the separation channel.
- the magnetizable particles accumulate on the wall of the separation channel, so that they can be separated when leaving the separation channel.
- Magnetic field is a time-varying traveling field pre ⁇ see so that field-free areas exist in which no magnetic field gradient exists. These field gaps migrate with the flow, so that a magnetic or magnetized particle dissolves again when a field gap occurs from the wall of the separation channel and is transported by the flow. Accordingly, there is no excessive accumulation of particles, which is caused by a discontinuous would have to be eliminated by a process or a corresponding process step.
- a mixture or a suspension of magnetizable and non-magnetizable particles can be separated.
- This traveling field exerts a force on the magnetic particles, which is directed both to the wall and perpendicular thereto, in the flow direction of the suspension.
- the mag netic particles are concentrated in the vicinity of the wall of the separation channel and transported in the direction of a dividing panel ⁇ benefits.
- the energization of the arranged in series along the separation channel coils is such that at a certain time in adjacent coils, the current flows in the same direction, adjacent coils differ singly leu with regard to their phase angle.
- the current In the longitudinal direction of the coil arrangement, the current varies in the form of sinusoidal half-waves, which alternate with field-free regions or time segments.
- the invention is therefore based on the object to provide a separation ⁇ device that allows a better separation of magne tables or magnetizable particles.
- the control device is designed to drive adjacent coils with alternating current directions.
- the invention is based on the recognition that adverse force components that cause particles to be moved away from the wall of the separation channel can be avoided by feeding adjacent coils with oppositely directed currents.
- the desired separation effect is thus effected by a different effect than in the separator according to DE 10 2008 047 852 AI.
- adjacent coils are fed with different, ie opposite current directions.
- the absolute value and the shape of the currents in the longitudinal direction of the separation channel un ⁇ remain changed, that is, the current has a sinusoidal waveform.
- the direction of the current from one coil to the next coil according to the invention have be ⁇ neighboring coils opposite current directions.
- Be ⁇ calculations and tests have shown that the gradient of the magnetic field is perpendicular to the direction of flow substantially only in the direction to the coils or to the inner wall of the separation channel, accordingly, with the erfindungsge ⁇ MAESSEN separation means the separation of magnetic and magnetizable particles having a high Efficiency can be performed.
- control device can be designed such that the gradient of the magnetic field generated by the coils is directed essentially to the coils. This beneficial effect is due to the illustrated oppositely directed currents which cause no substantial force components to be generated in other directions, such as away from the coils. This results in the further advantage that the power required for the operation of the separator according to the invention power consumption is minimal.
- each coil has its own Control device is assigned. Accordingly, each coil can be controlled individually, whereby the ge ⁇ desired current pattern can be generated.
- the at least one control device is designed as a programmable power supply unit or as a converter. Through the power supply or the inverter, the current that is supplied to a coil can be set and controlled in the desired manner.
- a particularly good separation can be achieved at the fiction, modern ⁇ separator when the opposite streams of adjacent coils are shifted in phase. Due to the temporal shift of the currents generated an alternating traveling field, whereby the desired Kraftkompo ⁇ nenten, which act on the particles in suspension, arise.
- phase shift of the currents of adjacent coils is 5 ° -20 °, in particular 10 °. It is also conceivable that the time shift of adjacent coils is adjustable.
- each coil is energized only with a positive or a negative half-wave. During further cycles the same coil can even with a positive half wave ⁇ and then energized with a negative half-cycle. It is essential that adjacent coils are each acted upon by currents with alternating current directions.
- the coil Zvi ⁇ rule two half-waves is essentially dead. Accordingly, a positive half cycle does not immediately turn into a negative half cycle, instead there is a period during which the coil is not energized. Since no magnetic field gradient exists in this state, no force acts on mag- netic or magnetizable particles, so that they are transported by the hydrodynamic forces of the suspension. This has the advantage that adhesion of a large number of the particles is avoided at a particular location that would otherwise be removed by another elekt ⁇ skills or mechanical means.
- a displacement body in the separation channel of the separating device according to the invention, a displacement body is arranged.
- An example zylinderför ⁇ mig trained displacement causes an annular separation channel is formed with a desired width.
- a separating diaphragm ⁇ Before ⁇ preferably is at the end of the separation channel is a separating diaphragm ⁇ arranged to separate the magnetic and magnetizable particles of waste rock.
- Fig. 1 is a sectional view of an inventive
- Fig. 2 current waveform diagrams of several coils of the separation device according to the invention, wherein the current waveform is plotted against the phase angle.
- the separator 1 shown in Fig. 1 comprises a cylindrical displacement body 2 which is spaced from a coaxial cylindrical yoke 3 surrounded iron. Between the displacement body 2 and the yoke 3, an annular separation channel 4 is formed.
- the iron yoke has circumferential grooves 5, in which coils 6 are arranged.
- the separation channel 4 and the coil 6 are separated by a non-illustrated separation ⁇ wall, so that the separation channel 4 liquid flowing through the coil 6 is not affected.
- six coils are shown. represents, but this is only to be understood as an example, the number of coils arranged one behind the other in the flow direction can be chosen arbitrarily.
- An inlet 7 of the separation channel 4 is continuously filled with a suspension 8 by means of a feed means designed as a pump.
- the suspension 8 contains magnetizable and non-magnetizable components as powders or particles contained in a liquid. In the illustrated embodiment, water is used as the liquid.
- the direction of flow is indicated by the arrow 11.
- the non-magnetizable components are also called deaf rocks.
- the separation device 1 the magnetizable components are to be separated from the suspension.
- the separation of the magnetizable particles contained in the suspension 8 is carried out by a controlled
- the power supplies 9 each serve as control means for controlling the current supplied to a coil 6. All power supplies 9 are connected via not shown electrical connections to a controller 10, which controls the individual power supplies 9, in particular the phase position of the individual streams.
- FIG. 2 shows by way of example for the six coils 6 how the current changes over the phase angle.
- the phase angle is taken on the horizontal axis ⁇ , the normalized current on the vertical axis.
- ⁇ the normalized current on the vertical axis.
- adjacent coils 6 have alternating current directions.
- ⁇ means of a power supply 9, which is in communication with the controller 10, the current which is supplied to a coil 6, controlled.
- the current which is supplied to the first coil the shape of a positive half-wave has 12.
- the approximate si ⁇ nusförmige half-shaft 12 is located above the waagerech- th axis, this current is therefore defined as positive. With this current, the uppermost coil 6 shown in Fig. 1 is controlled ⁇ . After the lapse of a certain phase portion, in the illustrated embodiment, after 10 °, the adjacent coil 14 is driven by its associated power supply part 13. However, the adjacent coil 14 is acted upon by a current of opposite sign, which is therefore shown in Fig. 2 below the horizontal axis. Accordingly, the currents applied to the coils 6, 14 have opposite directions and opposite signs. However, the amount and duration of the half wave of the current is the same in both cases.
- an adjacent coil 15 is energized by a power supply 16 as soon as the phase angle has been reached 20 °.
- the current supplied to the coil 15 has an opposite sign in comparison to the adjacent coil 14, it is thus a positive half-wave.
- positive and negative half-waves alternate, each shifted in phase.
- a positive or negative half cycle has a phase length of 30 °, followed by an electroless phase section.
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12706522.5A EP2667973A1 (de) | 2011-03-02 | 2012-02-21 | Trenneinrichtung zum separieren von in einer suspension enthaltenen magnetischen oder magnetisierbaren teilchen |
CN2012800113174A CN103429351A (zh) | 2011-03-02 | 2012-02-21 | 用于分离悬浮液中包含的磁性的或能磁化的微粒的分离设备 |
US14/002,649 US9028687B2 (en) | 2011-03-02 | 2012-02-21 | Separating device for separating magnetic or magnetizable particles present in suspension |
CA2828757A CA2828757A1 (en) | 2011-03-02 | 2012-02-21 | Separating device for separating magnetic or magnetizable particles present in a suspension |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011004958.4 | 2011-03-02 | ||
DE102011004958A DE102011004958A1 (de) | 2011-03-02 | 2011-03-02 | Trenneinrichtung zum Separieren von in einer Suspension enthaltenen magnetischen oder magnetisierbaren Teilchen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012116909A1 true WO2012116909A1 (de) | 2012-09-07 |
Family
ID=45774177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/052926 WO2012116909A1 (de) | 2011-03-02 | 2012-02-21 | Trenneinrichtung zum separieren von in einer suspension enthaltenen magnetischen oder magnetisierbaren teilchen |
Country Status (8)
Country | Link |
---|---|
US (1) | US9028687B2 (de) |
EP (1) | EP2667973A1 (de) |
CN (1) | CN103429351A (de) |
CA (1) | CA2828757A1 (de) |
CL (1) | CL2013002525A1 (de) |
DE (1) | DE102011004958A1 (de) |
PE (1) | PE20141965A1 (de) |
WO (1) | WO2012116909A1 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016083575A1 (en) | 2014-11-27 | 2016-06-02 | Basf Se | Energy input during agglomeration for magnetic separation |
EP3181230A1 (de) | 2015-12-17 | 2017-06-21 | Basf Se | Ultraflotation mit magnetisch ansprechbaren trägerpartikeln |
WO2019063354A1 (en) | 2017-09-29 | 2019-04-04 | Basf Se | CONCENTRATION OF GRAPHITE PARTICLES BY AGGLOMERATION WITH HYDROPHOBIC MAGNETIC PARTICLES |
WO2020035352A1 (en) | 2018-08-13 | 2020-02-20 | Basf Se | Combination of carrier-magnetic-separation and a further separation for mineral processing |
US10675637B2 (en) | 2014-03-31 | 2020-06-09 | Basf Se | Magnet arrangement for transporting magnetized material |
US10807100B2 (en) | 2014-11-27 | 2020-10-20 | Basf Se | Concentrate quality |
WO2022184817A1 (en) | 2021-03-05 | 2022-09-09 | Basf Se | Magnetic separation of particles supported by specific surfactants |
WO2024079236A1 (en) | 2022-10-14 | 2024-04-18 | Basf Se | Solid-solid separation of carbon from a hardly soluble alkaline earth sulfate |
Families Citing this family (7)
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DE102010010220A1 (de) * | 2010-03-03 | 2011-09-08 | Siemens Aktiengesellschaft | Trennvorrichtung zum Trennen eines Gemischs |
CN104772211B (zh) * | 2015-04-30 | 2019-02-19 | 山东华特磁电科技股份有限公司 | 电磁淘洗精选机 |
CN105381876B (zh) * | 2015-12-09 | 2018-03-09 | 长沙矿冶研究院有限责任公司 | 一种产生梯度弱磁场的线圈磁系 |
CN106622645B (zh) * | 2017-01-17 | 2018-02-06 | 西华大学 | 一种低能耗磁式带电粒子回收装置 |
CN108745634A (zh) * | 2018-05-24 | 2018-11-06 | 贺州学院 | 一种电磁分离装置 |
US11111925B2 (en) * | 2018-10-25 | 2021-09-07 | Saudi Arabian Oil Company | Prevention of ferromagnetic solids deposition on electrical submersible pumps (ESPS) by magnetic means |
CN109746117B (zh) * | 2019-03-15 | 2023-10-10 | 山东华特磁电科技股份有限公司 | 低频交流电磁淘洗机 |
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- 2011-03-02 DE DE102011004958A patent/DE102011004958A1/de not_active Ceased
-
2012
- 2012-02-21 EP EP12706522.5A patent/EP2667973A1/de not_active Withdrawn
- 2012-02-21 WO PCT/EP2012/052926 patent/WO2012116909A1/de active Application Filing
- 2012-02-21 PE PE2013001989A patent/PE20141965A1/es not_active Application Discontinuation
- 2012-02-21 US US14/002,649 patent/US9028687B2/en not_active Expired - Fee Related
- 2012-02-21 CA CA2828757A patent/CA2828757A1/en not_active Abandoned
- 2012-02-21 CN CN2012800113174A patent/CN103429351A/zh active Pending
-
2013
- 2013-09-02 CL CL2013002525A patent/CL2013002525A1/es unknown
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US6558541B1 (en) * | 2000-10-12 | 2003-05-06 | Av Lubricants, Inc. | Contaminant capture device and method for use |
EP1974821A1 (de) * | 2007-03-26 | 2008-10-01 | F.Hoffmann-La Roche Ag | Verfahren und Vorrichtung zum Transport magnetischer oder magnetisierbarer Mikrokugeln |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10675637B2 (en) | 2014-03-31 | 2020-06-09 | Basf Se | Magnet arrangement for transporting magnetized material |
US10799881B2 (en) | 2014-11-27 | 2020-10-13 | Basf Se | Energy input during agglomeration for magnetic separation |
WO2016083575A1 (en) | 2014-11-27 | 2016-06-02 | Basf Se | Energy input during agglomeration for magnetic separation |
US10807100B2 (en) | 2014-11-27 | 2020-10-20 | Basf Se | Concentrate quality |
EP3181230A1 (de) | 2015-12-17 | 2017-06-21 | Basf Se | Ultraflotation mit magnetisch ansprechbaren trägerpartikeln |
WO2017102512A1 (en) | 2015-12-17 | 2017-06-22 | Basf Se | Ultraflotation with magnetically responsive carrier particles |
US10549287B2 (en) | 2015-12-17 | 2020-02-04 | Basf Se | Ultraflotation with magnetically responsive carrier particles |
WO2019063354A1 (en) | 2017-09-29 | 2019-04-04 | Basf Se | CONCENTRATION OF GRAPHITE PARTICLES BY AGGLOMERATION WITH HYDROPHOBIC MAGNETIC PARTICLES |
US11420874B2 (en) | 2017-09-29 | 2022-08-23 | Basf Se | Concentrating graphite particles by agglomeration with hydrophobic magnetic particles |
WO2020035352A1 (en) | 2018-08-13 | 2020-02-20 | Basf Se | Combination of carrier-magnetic-separation and a further separation for mineral processing |
US11998929B2 (en) | 2018-08-13 | 2024-06-04 | Basf Se | Combination of carrier-magnetic-separation and a further separation for mineral processing |
WO2022184817A1 (en) | 2021-03-05 | 2022-09-09 | Basf Se | Magnetic separation of particles supported by specific surfactants |
WO2024079236A1 (en) | 2022-10-14 | 2024-04-18 | Basf Se | Solid-solid separation of carbon from a hardly soluble alkaline earth sulfate |
Also Published As
Publication number | Publication date |
---|---|
CL2013002525A1 (es) | 2014-05-02 |
US9028687B2 (en) | 2015-05-12 |
PE20141965A1 (es) | 2014-11-27 |
CN103429351A (zh) | 2013-12-04 |
CA2828757A1 (en) | 2012-09-07 |
EP2667973A1 (de) | 2013-12-04 |
DE102011004958A1 (de) | 2012-09-06 |
US20130327693A1 (en) | 2013-12-12 |
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