BR8807752A - Rebaixadores de flotacao - Google Patents

Rebaixadores de flotacao

Info

Publication number
BR8807752A
BR8807752A BR888807752A BR8807752A BR8807752A BR 8807752 A BR8807752 A BR 8807752A BR 888807752 A BR888807752 A BR 888807752A BR 8807752 A BR8807752 A BR 8807752A BR 8807752 A BR8807752 A BR 8807752A
Authority
BR
Brazil
Prior art keywords
droppers
floating
floating droppers
Prior art date
Application number
BR888807752A
Other languages
English (en)
Inventor
Robert D Hansen
Richard R Klimpel
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR8807752A publication Critical patent/BR8807752A/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
    • B03D1/02—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
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular compounds
    • 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
    • B03D1/06—Froth-flotation processes differential
    • 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
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/06—Depressants
    • 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
    • B03D2203/04—Non-sulfide ores
BR888807752A 1987-11-04 1988-11-04 Rebaixadores de flotacao BR8807752A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/116,757 US4808301A (en) 1987-11-04 1987-11-04 Flotation depressants
PCT/US1988/003945 WO1989004213A1 (en) 1987-11-04 1988-11-04 Flotation depressants

Publications (1)

Publication Number Publication Date
BR8807752A true BR8807752A (pt) 1990-08-07

Family

ID=22369017

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888807752A BR8807752A (pt) 1987-11-04 1988-11-04 Rebaixadores de flotacao

Country Status (7)

Country Link
US (1) US4808301A (pt)
AU (1) AU606242B2 (pt)
BR (1) BR8807752A (pt)
CA (1) CA1328512C (pt)
RU (1) RU1834713C (pt)
SE (1) SE464336B (pt)
WO (1) WO1989004213A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242190A (en) * 1990-03-24 1991-09-25 Abm Chemicals Limited Biocidal amines
US5182039A (en) * 1991-03-29 1993-01-26 Exxon Chemical Patents, Inc. Synergistic fluorinated ore flotation aids
US5307938A (en) * 1992-03-16 1994-05-03 Glenn Lillmars Treatment of iron ore to increase recovery through the use of low molecular weight polyacrylate dispersants
PE20110527A1 (es) 2008-07-25 2011-08-08 Cytec Tech Corp Reactivos para flotacion y procedimientos de flotacion que los utilizan
PE20130498A1 (es) * 2010-01-14 2013-04-22 Teebee Holdings Pty Ltd Reactivos de flotacion
BR112015004821B1 (pt) * 2012-09-04 2020-04-07 Vale Sa processo de preparação de um depressor para flotação de minério de ferro e depressor para flotação de minério de ferro
UA116361C2 (uk) 2012-10-01 2018-03-12 Кеміра Ойй Пригнічувачі флотації рудних мінералів
CN104437889A (zh) * 2014-12-09 2015-03-25 鞍钢集团矿业公司 赤铁矿反浮选抑制剂
CA2972396A1 (en) * 2014-12-30 2016-07-07 Kemira Oyj Depressants for mineral ore flotation
CA3001305A1 (en) 2015-10-08 2017-04-13 Kemira Oyj Moderately oxidized polysaccharide depressants for use in iron ore flotation processes
AU2018344171B2 (en) * 2017-10-06 2020-12-10 Vale S.A. Method for concentrating iron ore slurry

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289613A (en) * 1979-11-19 1981-09-15 American Cyanamid Company Low molecular weight hydrolyzed polymers or copolymers as depressants in mineral ore flotation
US4339331A (en) * 1980-12-05 1982-07-13 American Cyanamid Company Crosslinked starches as depressants in mineral ore flotation
US4360426A (en) * 1981-03-02 1982-11-23 Fmc Corporation Joint between traveling water screen trays
US4482480A (en) * 1983-03-30 1984-11-13 Phillips Petroleum Company Polycarboxylic acid derivatives and uses

Also Published As

Publication number Publication date
CA1328512C (en) 1994-04-12
AU2718688A (en) 1989-06-01
US4808301A (en) 1989-02-28
WO1989004213A1 (en) 1989-05-18
SE464336B (sv) 1991-04-15
AU606242B2 (en) 1991-01-31
SE9001538L (sv) 1990-04-27
SE9001538D0 (sv) 1990-04-27
RU1834713C (ru) 1993-08-15

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 04/11/2008