CL2020000934A1 - Proceso de concentración de lodos de mineral de hierro. - Google Patents
Proceso de concentración de lodos de mineral de hierro.Info
- Publication number
- CL2020000934A1 CL2020000934A1 CL2020000934A CL2020000934A CL2020000934A1 CL 2020000934 A1 CL2020000934 A1 CL 2020000934A1 CL 2020000934 A CL2020000934 A CL 2020000934A CL 2020000934 A CL2020000934 A CL 2020000934A CL 2020000934 A1 CL2020000934 A1 CL 2020000934A1
- Authority
- CL
- Chile
- Prior art keywords
- iron
- iron ore
- sludge concentration
- concentration process
- ore sludge
- Prior art date
Links
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
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/002—High gradient magnetic separation
-
- 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
-
- 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
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- 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
- B03D1/02—Froth-flotation processes
- B03D1/025—Froth-flotation processes adapted for the flotation of fines
-
- 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
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/085—Subsequent treatment of concentrated product of the feed, e.g. conditioning, de-sliming
-
- 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
- B03C2201/20—Magnetic separation whereby the particles to be separated are in solid form
-
- 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
- B03D1/0043—Organic compounds modified so as to contain a polyether group
-
- 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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Paper (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Sludge (AREA)
Abstract
LA PRESENTE INVENCIÓN SE REFIERE A UN PROCESO DE CONCENTRACIÓN DE LOS MINERALES DE HIERRO A PARTIR DE LODOS PROVENIENTES DEL PROCESAMIENTO DEL MINERAL DE HIERRO, POR MEDIO DE FLOTACIÓN REVERSA CON PH ENTRE 8,5 Y 10,5 CON ADICIÓN DE COLECTOR DEL TIPO AMIDA-AMINA, O INCLUSIVE UNA MEZCLA DEL MISMO CON COLECTORES CATIÓNICOS TRADICIONALES (AMINAS), EN AUSENCIA DE CUALQUIER AGENTE DEPRESOR, INCLUYENDO ALTERNATIVAMENTE UNA ETAPA DE CONCENTRACIÓN MAGNÉTICA DE ALTO CAMPO. LO QUE POSIBILITA LA OBTENCIÓN DE CONCENTRADO CON CONTENIDO DE HIERRO SUPERIOR AL 66% Y CONTENIDOS DE SIO2 + AL2O3 INFERIORES AL 4%.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR102017021494-0A BR102017021494B1 (pt) | 2017-10-06 | 2017-10-06 | processo de concentração de lamas de minério de ferro |
BR132018070227A BR132018070227E2 (pt) | 2018-10-01 | 2018-10-01 | processo de concentração de lamas de minério de ferro compreendendo uma etapa de concentração magnética de alto campo |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2020000934A1 true CL2020000934A1 (es) | 2020-09-11 |
Family
ID=65994184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2020000934A CL2020000934A1 (es) | 2017-10-06 | 2020-04-06 | Proceso de concentración de lodos de mineral de hierro. |
Country Status (7)
Country | Link |
---|---|
US (1) | US11453014B2 (es) |
CN (1) | CN111295246B (es) |
AU (1) | AU2018344171B2 (es) |
CA (1) | CA3076830A1 (es) |
CL (1) | CL2020000934A1 (es) |
MX (1) | MX2020003442A (es) |
WO (1) | WO2019068160A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022256241A1 (en) | 2021-06-01 | 2022-12-08 | Corn Products Development, Inc. | Functionalized nanomagnetic product, process for preparing functionalized nanomagnetic product and ore processing |
WO2024099667A1 (en) | 2022-11-11 | 2024-05-16 | Clariant International Ltd | Phosphoric acid esters for the beneficiation of magnetic minerals from low-grade ores |
WO2024099668A1 (en) | 2022-11-11 | 2024-05-16 | Clariant International Ltd | Anionic amino acid-based surfactants for the beneficiation of magnetic minerals from low-grade ores |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3292780A (en) * | 1964-05-04 | 1966-12-20 | Donald W Frommer | Process for improved flotation treatment of iron ores by selective flocculation |
US3960715A (en) * | 1974-01-07 | 1976-06-01 | The Hanna Mining Company | Cationic froth flotation process |
US4132635A (en) * | 1977-01-13 | 1979-01-02 | Michigan Technological University | Beneficiation of iron ores by froth flotation |
US4301973A (en) * | 1979-12-17 | 1981-11-24 | Kennecott Corporation | Beneficiation of iron ore |
US4808301A (en) * | 1987-11-04 | 1989-02-28 | The Dow Chemical Company | Flotation depressants |
CN100429001C (zh) * | 2006-11-25 | 2008-10-29 | 中国矿业大学 | 赤铁矿柱式短流程反浮选工艺及设备 |
FR2994534B1 (fr) | 2012-08-20 | 2015-06-26 | Ceca Sa | Collecteurs pour enrichissement de minerais |
US9457357B2 (en) * | 2012-11-28 | 2016-10-04 | Georgia-Pacific Chemicals Llc | Mixed collector compositions |
WO2014121358A1 (en) * | 2013-02-05 | 2014-08-14 | Vale S.A. | Process to concentrate manganese ores via reverse cationic flotation of silicates |
WO2015054381A1 (en) * | 2013-10-09 | 2015-04-16 | Georgia-Pacific Chemicals Llc | Collector compositions and methods for making and using same |
EP3370880A1 (en) * | 2015-11-03 | 2018-09-12 | Magglobal, LLC | Methods, devices, systems and processes for upgrading iron oxide concentrates using reverse flotation of silica at a natural ph |
CN105396698B (zh) * | 2015-11-19 | 2018-01-05 | 中钢集团马鞍山矿山研究院有限公司 | 一种复合型季铵盐阳离子硅酸盐矿物捕收剂及其制备方法 |
CN105435968A (zh) * | 2015-12-24 | 2016-03-30 | 东北大学 | 一种赤铁矿矿石反浮选脱硅的方法 |
-
2018
- 2018-10-03 AU AU2018344171A patent/AU2018344171B2/en active Active
- 2018-10-03 CA CA3076830A patent/CA3076830A1/en active Pending
- 2018-10-03 WO PCT/BR2018/050363 patent/WO2019068160A1/pt active Application Filing
- 2018-10-03 US US16/753,276 patent/US11453014B2/en active Active
- 2018-10-03 CN CN201880064315.9A patent/CN111295246B/zh active Active
- 2018-10-03 MX MX2020003442A patent/MX2020003442A/es unknown
-
2020
- 2020-04-06 CL CL2020000934A patent/CL2020000934A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
AU2018344171B2 (en) | 2020-12-10 |
RU2020114921A3 (es) | 2021-11-30 |
US11453014B2 (en) | 2022-09-27 |
WO2019068160A1 (pt) | 2019-04-11 |
RU2020114921A (ru) | 2021-11-09 |
MX2020003442A (es) | 2020-07-29 |
CN111295246A (zh) | 2020-06-16 |
CN111295246B (zh) | 2022-07-22 |
AU2018344171A1 (en) | 2020-05-07 |
CA3076830A1 (en) | 2019-04-11 |
US20210069729A1 (en) | 2021-03-11 |
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