BR8906937A - Processo de flotacao com espuma - Google Patents

Processo de flotacao com espuma

Info

Publication number
BR8906937A
BR8906937A BR898906937A BR8906937A BR8906937A BR 8906937 A BR8906937 A BR 8906937A BR 898906937 A BR898906937 A BR 898906937A BR 8906937 A BR8906937 A BR 8906937A BR 8906937 A BR8906937 A BR 8906937A
Authority
BR
Brazil
Prior art keywords
foam
floating process
floating
Prior art date
Application number
BR898906937A
Other languages
English (en)
Inventor
Richard R Klimpel
Robert R Hansen
Michael J Fazio
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 BR8906937A publication Critical patent/BR8906937A/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
    • B03D1/012—Organic compounds containing sulfur
    • 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
    • B03D1/006—Hydrocarbons
    • 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
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/007—Modifying reagents for adjusting pH or conductivity
    • 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
BR898906937A 1988-04-28 1989-04-17 Processo de flotacao com espuma BR8906937A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/187,115 US4826588A (en) 1988-04-28 1988-04-28 Pyrite depressants useful in the separation of pyrite from coal
PCT/US1989/001612 WO1989010199A1 (en) 1988-04-28 1989-04-17 Pyrite depressants useful in the separation of pyrite from coal

Publications (1)

Publication Number Publication Date
BR8906937A true BR8906937A (pt) 1990-09-11

Family

ID=22687661

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906937A BR8906937A (pt) 1988-04-28 1989-04-17 Processo de flotacao com espuma

Country Status (11)

Country Link
US (1) US4826588A (pt)
EP (1) EP0339856B1 (pt)
CN (1) CN1021414C (pt)
AU (1) AU610727B2 (pt)
BR (1) BR8906937A (pt)
CA (1) CA1335121C (pt)
DE (1) DE68920190T2 (pt)
PL (1) PL161814B1 (pt)
SU (1) SU1813019A3 (pt)
WO (1) WO1989010199A1 (pt)
ZA (1) ZA893194B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08224497A (ja) * 1995-02-20 1996-09-03 Sumitomo Metal Mining Co Ltd 非鉄金属有価鉱物の浮遊選鉱方法
US7004326B1 (en) * 2004-10-07 2006-02-28 Inco Limited Arsenide depression in flotation of multi-sulfide minerals
US8591607B2 (en) * 2007-09-10 2013-11-26 Global Coal Solutions Pty Ltd Beneficiation of coal
CN102464566B (zh) * 2010-11-17 2014-07-23 中国石油化工股份有限公司 苯和丙烯生产异丙苯的方法
US9404055B2 (en) 2013-01-31 2016-08-02 General Electric Company System and method for the preparation of coal water slurries
US20160082446A1 (en) * 2014-09-24 2016-03-24 Omnis Mineral Technologies, Llc Flotation separation of fine coal particles from ash-forming particles
CN114011583B (zh) * 2021-11-09 2022-07-12 中国矿业大学(北京) 一种煤泥浮选剂及其制备方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1329493A (en) * 1917-02-27 1920-02-03 Metals Recovery Co Flotation of coal
US2112362A (en) * 1934-05-12 1938-03-29 Du Pont Flotation process
US2740522A (en) * 1953-04-07 1956-04-03 American Cyanamid Co Flotation of ores using addition polymers as depressants
US3006471A (en) * 1959-11-06 1961-10-31 American Cyanamid Co Flotation of ores
US3796308A (en) * 1972-07-24 1974-03-12 Canadian Patents Dev Bacterial oxidation in upgrading sulfidic ores and coals
US3807557A (en) * 1972-08-11 1974-04-30 Us Interior Flotation of pyrite from coal
US3919080A (en) * 1972-09-14 1975-11-11 Continental Oil Co Pyrite depression in coal flotation by the addition of sodium sulfite
US3938966A (en) * 1974-03-25 1976-02-17 Hazen Research, Inc. Process for improving coal
US3908912A (en) * 1974-09-17 1975-09-30 Bethlehem Steel Corp Coal beneficiating process
GB1487411A (en) * 1974-11-19 1977-09-28 Allied Colloids Ltd Materials and processes for flotation of mineral substances
US4198291A (en) * 1977-04-12 1980-04-15 Atlantic Richfield Company Float-sink separation of coal with liquid SO2
US4141691A (en) * 1977-12-12 1979-02-27 Calgon Corporation Use of water soluble polymers in coal flotation circuits
US4141611A (en) * 1977-12-16 1979-02-27 Leon John N De Cover for display type refrigerating cabinet
US4268379A (en) * 1977-12-23 1981-05-19 American Cyanamid Company Selective flocculation for increased coal recovery by froth flotation
US4167397A (en) * 1978-03-31 1979-09-11 Standard Oil Company Coal desulfurization
US4297108A (en) * 1978-05-10 1981-10-27 Polymer Research Corp. Of America Desulfurization of coal
ZA794951B (en) * 1978-09-21 1980-09-24 Atlantic Richfield Co Process for removing sulfur from coal
US4211642A (en) * 1979-01-05 1980-07-08 Vojislav Petrovich Beneficiation of coal and metallic and non-metallic ores by froth flotation process using polyhydroxy alkyl xanthate depressants
AU534531B2 (en) * 1979-01-25 1984-02-02 Dow Chemical Company, The Alkanolamine-tall oil fatty acid concentrate for coal flotation
US4261699A (en) * 1979-04-23 1981-04-14 Atlantic Richfield Company Process for removal of sulfur and ash from coal
US4272250A (en) * 1979-06-19 1981-06-09 Atlantic Richfield Company Process for removal of sulfur and ash from coal
US4270926A (en) * 1979-06-19 1981-06-02 Atlantic Richfield Company Process for removal of sulfur and ash from coal
US4394257A (en) * 1979-11-19 1983-07-19 American Cyanamid Company Froth flotation process
US4536372A (en) * 1980-01-22 1985-08-20 The Standard Oil Company Apparatus for beneficiating coal
US4324560A (en) * 1980-03-05 1982-04-13 Conoco Inc. Pyrite removal from coal
US4388181A (en) * 1981-12-14 1983-06-14 Chevron Research Company Method for the production of metallurgical grade coal and low ash coal
US4532031A (en) * 1982-06-21 1985-07-30 American Cyanamid Company Froth flotation process
US4537599A (en) * 1983-04-28 1985-08-27 Greenwald Sr Edward H Process for removing sulfur and ash from coal
US4640789A (en) * 1984-05-10 1987-02-03 Phillips Petroleum Company Ore flotation and flotation agents for use therein
US4684459A (en) * 1985-11-29 1987-08-04 The Dow Chemical Company Collector compositions for the froth flotation of mineral values
GB2174019B (en) * 1985-04-19 1988-02-03 Coal Ind Improvements in froth flotation
US4676890A (en) * 1985-11-29 1987-06-30 The Dow Chemical Company Collector compositions for the froth flotation of mineral values
PH23458A (en) * 1985-11-29 1989-08-07 Dow Chemical Co Collector compositions for the froth flotation of mineral values

Also Published As

Publication number Publication date
CN1021414C (zh) 1993-06-30
CN1037669A (zh) 1989-12-06
US4826588A (en) 1989-05-02
DE68920190T2 (de) 1995-05-11
EP0339856A3 (en) 1991-01-16
EP0339856A2 (en) 1989-11-02
EP0339856B1 (en) 1994-12-28
CA1335121C (en) 1995-04-04
AU610727B2 (en) 1991-05-23
PL161814B1 (pl) 1993-08-31
SU1813019A3 (en) 1993-04-30
ZA893194B (en) 1990-12-28
PL279154A1 (en) 1990-01-08
AU3558089A (en) 1989-11-24
DE68920190D1 (de) 1995-02-09
WO1989010199A1 (en) 1989-11-02

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 17/04/2009