GB2254021B - Froth flotation of fine coal or mineral particles - Google Patents

Froth flotation of fine coal or mineral particles

Info

Publication number: GB2254021B
Authority: GB; United Kingdom
Prior art keywords: mineral particles; fine coal; froth flotation; froth; flotation
Prior art date: 1991-03-28
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

GB9206305A

Other versions

GB9206305D0 (en

GB2254021A (en

Inventor

Christopher Hugh Barwise

John Wilson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Fospur Ltd

Original Assignee

Fospur Ltd

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.)

1991-03-28

Filing date

1992-03-23

Publication date

1994-07-13

1992-03-23 Application filed by Fospur Ltd filed Critical Fospur Ltd

1992-05-06 Publication of GB9206305D0 publication Critical patent/GB9206305D0/en

1992-09-30 Publication of GB2254021A publication Critical patent/GB2254021A/en

1994-07-13 Application granted granted Critical

1994-07-13 Publication of GB2254021B publication Critical patent/GB2254021B/en

2012-03-23 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- B03D1/006—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
- B03D1/001—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
- 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
- B03D3/00—Differential sedimentation
- B03D3/06—Flocculation
- 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
- B03D2201/002—Coagulants and Flocculants
- 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
- B03D2201/04—Frothers
- 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
- B03D2203/08—Coal ores, fly ash or soot

GB9206305A 1991-03-28 1992-03-23 Froth flotation of fine coal or mineral particles Expired - Fee Related GB2254021B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB919106746A GB9106746D0 (en)	1991-03-28	1991-03-28	Froth flotation of fine particles

Publications (3)

Publication Number	Publication Date
GB9206305D0 GB9206305D0 (en)	1992-05-06
GB2254021A GB2254021A (en)	1992-09-30
GB2254021B true GB2254021B (en)	1994-07-13

Family

ID=10692431

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB919106746A Pending GB9106746D0 (en)	1991-03-28	1991-03-28	Froth flotation of fine particles
GB9206305A Expired - Fee Related GB2254021B (en)	1991-03-28	1992-03-23	Froth flotation of fine coal or mineral particles

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB919106746A Pending GB9106746D0 (en)	1991-03-28	1991-03-28	Froth flotation of fine particles

Country Status (5)

Country	Link
AU (1)	AU646329B2 (en)
CA (1)	CA2064357A1 (en)
GB (2)	GB9106746D0 (en)
ZM (1)	ZM1692A1 (en)
ZW (1)	ZW5092A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6799682B1 (en)	2000-05-16	2004-10-05	Roe-Hoan Yoon	Method of increasing flotation rate
AU2006210497A1 (en)	2005-02-04	2006-08-10	Mineral And Coal Technologies, Inc.	Improving the separation of diamond from gangue minerals
CN111135958B (en) *	2020-02-28	2021-08-20	湖南有色金属研究院	Method for flotation of fine-particle malachite by hydrophobic flocculation agglomeration

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB749213A (en) *	1953-04-07	1956-05-23	American Cyanamid Co	Flotation of ores
GB835550A (en) *	1955-03-21	1960-05-25	Rohm & Haas	Quaternary ammonium copolymers and methods of producing them
GB1452605A (en) *	1973-03-01	1976-10-13	Allied Colloids Ltd	Materials and processes for flotation of mineral substances
US4857221A (en) *	1986-05-14	1989-08-15	Fospur Limited	Recovering coal fines
US4866150A (en) *	1988-04-18	1989-09-12	American Cyanamid Company	Polymeric sulfide mineral depressants
US4966712A (en) *	1987-05-22	1990-10-30	Nippon Shokubai Kagaku Kogyo Kabushiki Kaisha	Flotation collector and method for treatment of inorganic substance-containing water system by use thereof

1991
- 1991-03-28 GB GB919106746A patent/GB9106746D0/en active Pending
1992
- 1992-03-23 GB GB9206305A patent/GB2254021B/en not_active Expired - Fee Related
- 1992-03-25 AU AU13190/92A patent/AU646329B2/en not_active Ceased
- 1992-03-27 ZM ZM16/92A patent/ZM1692A1/en unknown
- 1992-03-27 ZW ZW50/92A patent/ZW5092A1/en unknown
- 1992-03-27 CA CA002064357A patent/CA2064357A1/en not_active Abandoned

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB749213A (en) *	1953-04-07	1956-05-23	American Cyanamid Co	Flotation of ores
GB835550A (en) *	1955-03-21	1960-05-25	Rohm & Haas	Quaternary ammonium copolymers and methods of producing them
GB1452605A (en) *	1973-03-01	1976-10-13	Allied Colloids Ltd	Materials and processes for flotation of mineral substances
US4857221A (en) *	1986-05-14	1989-08-15	Fospur Limited	Recovering coal fines
US4966712A (en) *	1987-05-22	1990-10-30	Nippon Shokubai Kagaku Kogyo Kabushiki Kaisha	Flotation collector and method for treatment of inorganic substance-containing water system by use thereof
US4866150A (en) *	1988-04-18	1989-09-12	American Cyanamid Company	Polymeric sulfide mineral depressants

Also Published As

Publication number	Publication date
ZM1692A1 (en)	1992-11-30
AU1319092A (en)	1992-10-01
ZW5092A1 (en)	1992-06-17
CA2064357A1 (en)	1992-09-29
GB9206305D0 (en)	1992-05-06
GB9106746D0 (en)	1991-05-15
AU646329B2 (en)	1994-02-17
GB2254021A (en)	1992-09-30

Publication	Publication Date	Title
GB2212418B (en)	1991-05-15	Froth flotation of mineral fines
EP0106787A3 (en)	1986-03-26	Promoters for froth flotation of coal
PH22368A (en)	1988-08-12	Frothers demonstrating enhanced recovery of coarse particles in froth flotation
GB2148938B (en)	1987-09-03	Flocculation of coal particles
ZA853129B (en)	1986-02-26	Polyorganosiloxane collectors in the beneficiation of fine coal by froth flotation
PL244887A1 (en)	1984-07-30	Method of separating ultrafine mineral particles from coal flotation washings or from coal sludges
GB2254020B (en)	1994-10-05	Froth flotation of fine particles
ZM1592A1 (en)	1992-11-30	Froth flotation of fine coal or mineral particles
PT82046A (en)	1986-03-01	Process and compound for the froth flotation beneficiation of iron minerals from iron ores
GB2254021B (en)	1994-07-13	Froth flotation of fine coal or mineral particles
ZA856507B (en)	1987-04-29	Frothers demonstrating enhanced recovery of fine particles of coal in froth flotation
GB2163975B (en)	1987-12-31	Froth flotation of coal
PH22331A (en)	1988-07-29	Frothers useful in the recovery of fine particles of metal values in froth flotation
EP0290283A3 (en)	1989-10-18	Method for the froth flotation of coal
AU650990B2 (en)	1994-07-07	Separation of fine sulphide minerals by froth flotation
ZA892868B (en)	1990-12-28	Pyrite depressants useful in the separation of pyrite from coal
ZA92662B (en)	1992-10-28	Coal beneficiation using cyclone
ZA883224B (en)	1990-01-31	Method for the froth flotation of coal
ZM6488A1 (en)	1989-06-30	Froth flotation of minerals fines
GB8503129D0 (en)	1985-03-13	Froth flotation of fine coal
GB2110958B (en)	1986-04-03	Froth flotation of coal
ZA907904B (en)	1991-08-28	Beneficiation of coal
GB8917426D0 (en)	1989-09-13	Froth flotation of calcium borate minerals
GB8413364D0 (en)	1984-06-27	Recovery of fine mineral particles from slurry
GB8313703D0 (en)	1983-06-22	Recovery of fine mineral particles from slurry

Legal Events

Date	Code	Title	Description
1996-11-13	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19960323