BRPI0720603A2 - Formulações de amina para flotação reversa com espuma de silicatos a partir de minério de ferro - Google Patents

Formulações de amina para flotação reversa com espuma de silicatos a partir de minério de ferro

Info

Publication number
BRPI0720603A2
BRPI0720603A2 BRPI0720603-8A2A BRPI0720603A BRPI0720603A2 BR PI0720603 A2 BRPI0720603 A2 BR PI0720603A2 BR PI0720603 A BRPI0720603 A BR PI0720603A BR PI0720603 A2 BRPI0720603 A2 BR PI0720603A2
Authority
BR
Brazil
Prior art keywords
iron ore
reverse flotation
silicate foam
amine formulations
formulations
Prior art date
Application number
BRPI0720603-8A2A
Other languages
English (en)
Inventor
Jan Olof Gustafsson
Anders Klingberg
Christina Josefin Lannefors
Original Assignee
Akzo Nobel Nv
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 Akzo Nobel Nv filed Critical Akzo Nobel Nv
Priority claimed from PCT/EP2007/064157 external-priority patent/WO2008077849A1/en
Publication of BRPI0720603A2 publication Critical patent/BRPI0720603A2/pt

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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular compounds
BRPI0720603-8A2A 2006-12-22 2007-12-19 Formulações de amina para flotação reversa com espuma de silicatos a partir de minério de ferro BRPI0720603A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06127096 2006-12-22
US92065307P 2007-03-29 2007-03-29
PCT/EP2007/064157 WO2008077849A1 (en) 2006-12-22 2007-12-19 Amine formulations for reverse froth flotation of silicates from iron ore

Publications (1)

Publication Number Publication Date
BRPI0720603A2 true BRPI0720603A2 (pt) 2014-03-18

Family

ID=37964349

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0720603-8A2A BRPI0720603A2 (pt) 2006-12-22 2007-12-19 Formulações de amina para flotação reversa com espuma de silicatos a partir de minério de ferro

Country Status (2)

Country Link
BR (1) BRPI0720603A2 (pt)
CL (1) CL2007003776A1 (pt)

Also Published As

Publication number Publication date
CL2007003776A1 (es) 2008-03-24

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B25A Requested transfer of rights approved

Owner name: AKZO NOBEL CHEMICALS INTERNATIONAL B.V. (NL)

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL