BRPI0705593A2 - method of quantifying amines in iron ore flotation waste - Google Patents

method of quantifying amines in iron ore flotation waste

Info

Publication number
BRPI0705593A2
BRPI0705593A2 BRPI0705593A BRPI0705593A2 BR PI0705593 A2 BRPI0705593 A2 BR PI0705593A2 BR PI0705593 A BRPI0705593 A BR PI0705593A BR PI0705593 A2 BRPI0705593 A2 BR PI0705593A2
Authority
BR
Brazil
Prior art keywords
iron ore
amines
ore flotation
flotation waste
quantifying
Prior art date
Application number
Other languages
Portuguese (pt)
Inventor
Maria Irene Yoshida
Freitas Carvalho Cornelio De
De Araujo Danielle Marques
Original Assignee
Univ Minas Gerais
Univ Fed De Ouro Preto Ufop
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 Univ Minas Gerais, Univ Fed De Ouro Preto Ufop filed Critical Univ Minas Gerais
Priority to BRPI0705593A priority Critical patent/BRPI0705593B1/en
Priority to PCT/IB2008/003182 priority patent/WO2009066167A2/en
Publication of BRPI0705593A2 publication Critical patent/BRPI0705593A2/en
Publication of BRPI0705593B1 publication Critical patent/BRPI0705593B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

MéTODO DE QUANTIFICAçãO DE AMINAS EM RESìDUOS DE FLOTAçãO DE MINéRIO DE FERRO. A presente invenção diz respeito a um método de quantificação de aminas graxas provenientes de efluentes gerados pelo processo de flotação reversa do minério de ferro, utilizando técnica colorimétrica que contém o verde de bromocresol como corante orgânico.METHOD OF QUANTIFICATION OF AMINES IN IRON ORE FLOATING WASTE. The present invention relates to a method of quantifying fatty amines from effluents generated by the iron ore reverse flotation process using a colorimetric technique containing bromocresol green as an organic dye.

BRPI0705593A 2007-11-22 2007-11-22 method of quantifying amines in iron ore flotation waste BRPI0705593B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0705593A BRPI0705593B1 (en) 2007-11-22 2007-11-22 method of quantifying amines in iron ore flotation waste
PCT/IB2008/003182 WO2009066167A2 (en) 2007-11-22 2008-11-21 'amines quantification method in residues of the flotation of iron ore'

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0705593A BRPI0705593B1 (en) 2007-11-22 2007-11-22 method of quantifying amines in iron ore flotation waste

Publications (2)

Publication Number Publication Date
BRPI0705593A2 true BRPI0705593A2 (en) 2009-07-21
BRPI0705593B1 BRPI0705593B1 (en) 2016-04-12

Family

ID=40667908

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0705593A BRPI0705593B1 (en) 2007-11-22 2007-11-22 method of quantifying amines in iron ore flotation waste

Country Status (2)

Country Link
BR (1) BRPI0705593B1 (en)
WO (1) WO2009066167A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975714A (en) * 2010-10-27 2011-02-16 武汉工程大学 Method for measuring adsorption quantity of fatty acid collector on mineral surface

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2952259A1 (en) * 2014-06-06 2015-12-09 ABB Research Ltd. Method and apparatus for froth flotation process using optical measurements
WO2017117629A1 (en) * 2016-01-05 2017-07-13 The University Of Queensland Determination of the concentration of frothing agent
WO2021136868A1 (en) * 2019-12-31 2021-07-08 Metso Outotec Finland Oy Removal of amines from aqueous streams
WO2021136867A1 (en) * 2019-12-31 2021-07-08 Metso Outotec Finland Oy Removal of amines from aqueous streams
CN111744679A (en) * 2020-07-10 2020-10-09 攀枝花学院 Iron ore flotation method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133063A1 (en) * 1991-10-04 1993-04-08 Henkel Kgaa PROCESS FOR PRODUCING IRON ORE CONCENTRATES BY FLOTATION
SE521949C2 (en) * 1997-11-27 2003-12-23 Akzo Nobel Nv Process for foam flotation of silicate-containing iron ore
DE10065846A1 (en) * 2000-12-28 2002-08-01 Stapelfeldt Frank Recovery of amines, used in indirect iron ore flotation processes, involves washing slurry to separate solids from liquid to give separated liquid containing amines for further use
DE102006019561A1 (en) * 2006-04-27 2007-10-31 Clariant International Limited Flotation reagent for siliceous minerals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975714A (en) * 2010-10-27 2011-02-16 武汉工程大学 Method for measuring adsorption quantity of fatty acid collector on mineral surface

Also Published As

Publication number Publication date
WO2009066167A3 (en) 2009-09-24
BRPI0705593B1 (en) 2016-04-12
WO2009066167A2 (en) 2009-05-28

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: UNIVERSIDADE FEDERAL DE MINAS GERAIS - UFMG (BR/MG

Free format text: TRANSFERIDO PARTE DOS DIREITOS DE: UNIVERSIDADE FEDERAL DE MINAS GERAIS - UFMG

B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B04C Request for examination: application reinstated [chapter 4.3 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/11/2007, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2802 DE 17-09-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.