BR9600929A - Method and apparatus for classifying rocks into particles - Google Patents

Method and apparatus for classifying rocks into particles

Info

Publication number
BR9600929A
BR9600929A BR9600929A BR9600929A BR9600929A BR 9600929 A BR9600929 A BR 9600929A BR 9600929 A BR9600929 A BR 9600929A BR 9600929 A BR9600929 A BR 9600929A BR 9600929 A BR9600929 A BR 9600929A
Authority
BR
Brazil
Prior art keywords
particles
rocks
classifying
classifying rocks
Prior art date
Application number
BR9600929A
Other languages
Portuguese (pt)
Inventor
Suha Rawhani
Original Assignee
De Beers Ind Diamond
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 Ind Diamond filed Critical De Beers Ind Diamond
Publication of BR9600929A publication Critical patent/BR9600929A/en

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)
BR9600929A 1995-03-06 1996-03-06 Method and apparatus for classifying rocks into particles BR9600929A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9600929A true BR9600929A (en) 1997-12-30

Family

ID=25584895

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9600929A BR9600929A (en) 1995-03-06 1996-03-06 Method and apparatus for classifying rocks into particles

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

Family Cites Families (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
AU535962B2 (en) * 1979-07-24 1984-04-12 Csr Limited Infraed sorting
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
GB2298711A (en) 1996-09-11
AU704679B2 (en) 1999-04-29
GB9604664D0 (en) 1996-05-01
GB2298711B (en) 1999-06-30

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law