GB2298711B - Rock sorting - Google Patents

Rock sorting

Info

Publication number
GB2298711B
GB2298711B GB9604664A GB9604664A GB2298711B GB 2298711 B GB2298711 B GB 2298711B GB 9604664 A GB9604664 A GB 9604664A GB 9604664 A GB9604664 A GB 9604664A GB 2298711 B GB2298711 B GB 2298711B
Authority
GB
United Kingdom
Prior art keywords
rock sorting
sorting
rock
Prior art date
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
GB9604664A
Other versions
GB9604664D0 (en
GB2298711A (en
Inventor
Suha Rawhani
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.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty 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.)
Filing date
Publication date
Application filed by De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Publication of GB9604664D0 publication Critical patent/GB9604664D0/en
Publication of GB2298711A publication Critical patent/GB2298711A/en
Application granted granted Critical
Publication of GB2298711B publication Critical patent/GB2298711B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9604664A 1995-03-06 1996-03-05 Rock sorting Expired - Fee Related GB2298711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA951833 1995-03-06

Publications (3)

Publication Number Publication Date
GB9604664D0 GB9604664D0 (en) 1996-05-01
GB2298711A GB2298711A (en) 1996-09-11
GB2298711B true GB2298711B (en) 1999-06-30

Family

ID=25584895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9604664A Expired - Fee Related GB2298711B (en) 1995-03-06 1996-03-05 Rock sorting

Country Status (3)

Country Link
AU (1) AU704679B2 (en)
BR (1) BR9600929A (en)
GB (1) GB2298711B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120306257A1 (en) 2010-02-05 2012-12-06 Katherine Silversides Determination of rock types by spectral scanning

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236640A (en) * 1978-12-21 1980-12-02 The Superior Oil Company Separation of nahcolite from oil shale by infrared sorting
GB2057123A (en) * 1979-07-24 1981-03-25 Csr Ltd Sorting apparatus
EP0064842A1 (en) * 1981-05-12 1982-11-17 Sphere Investments Limited Material sorting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236640A (en) * 1978-12-21 1980-12-02 The Superior Oil Company Separation of nahcolite from oil shale by infrared sorting
GB2057123A (en) * 1979-07-24 1981-03-25 Csr Ltd Sorting apparatus
EP0064842A1 (en) * 1981-05-12 1982-11-17 Sphere Investments Limited Material sorting

Also Published As

Publication number Publication date
AU4587896A (en) 1996-09-19
AU704679B2 (en) 1999-04-29
GB9604664D0 (en) 1996-05-01
GB2298711A (en) 1996-09-11
BR9600929A (en) 1997-12-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090305