BR8706126A - PROCESS AND APPARATUS FOR SEPARATING A MASS OF PARTICULAR MATERIAL INTO A FRACTION OF DIAMOND AND A FRACTION OF GANGA - Google Patents

PROCESS AND APPARATUS FOR SEPARATING A MASS OF PARTICULAR MATERIAL INTO A FRACTION OF DIAMOND AND A FRACTION OF GANGA

Info

Publication number
BR8706126A
BR8706126A BR8706126A BR8706126A BR8706126A BR 8706126 A BR8706126 A BR 8706126A BR 8706126 A BR8706126 A BR 8706126A BR 8706126 A BR8706126 A BR 8706126A BR 8706126 A BR8706126 A BR 8706126A
Authority
BR
Brazil
Prior art keywords
fraction
ganga
diamond
separating
mass
Prior art date
Application number
BR8706126A
Other languages
Portuguese (pt)
Inventor
Stuart Hedley Robertson
Carlton Nigel Dodge
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 BR8706126A publication Critical patent/BR8706126A/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
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction
    • 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
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels

Landscapes

  • Physics & Mathematics (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, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
BR8706126A 1986-11-12 1987-11-12 PROCESS AND APPARATUS FOR SEPARATING A MASS OF PARTICULAR MATERIAL INTO A FRACTION OF DIAMOND AND A FRACTION OF GANGA BR8706126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA868581 1986-11-12

Publications (1)

Publication Number Publication Date
BR8706126A true BR8706126A (en) 1988-06-14

Family

ID=25578628

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8706126A BR8706126A (en) 1986-11-12 1987-11-12 PROCESS AND APPARATUS FOR SEPARATING A MASS OF PARTICULAR MATERIAL INTO A FRACTION OF DIAMOND AND A FRACTION OF GANGA

Country Status (3)

Country Link
AU (1) AU595660B2 (en)
BR (1) BR8706126A (en)
GB (1) GB2199657B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714807B2 (en) * 1986-08-20 1995-02-22 ド ビアーズ コンソリデイティッド マインズ リミテッド Separation method
BE1002936A4 (en) * 1988-01-29 1991-09-03 Argyle Diamond Sales Ltd METHOD AND APPARATUS FOR SORTING AND / OR CONFIRMING THE IDENTIFICATION OF PRECIOUS STONES.
US5206699A (en) 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
GB2219082B (en) * 1988-05-06 1992-08-26 Gersan Ets A method of identifying specific objects or zones
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
GB2504052B (en) * 2012-03-16 2017-05-10 De Beers Uk Ltd Sorting aggregate material
CN106269564B (en) * 2016-08-23 2019-05-14 北京柯林柯矿业科技有限公司 Ore sorting process and equipment based on image recognition technology and mechanical arm
CN112916407A (en) * 2020-04-29 2021-06-08 江苏旷博智能技术有限公司 Method for sorting coal and gangue
CN117120831A (en) * 2021-04-28 2023-11-24 住友电工硬质合金株式会社 Method and device for measuring nitrogen concentration of diamond

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA757668B (en) * 1975-12-08 1977-07-27 De Beers Cons Mines Ltd Separation of materials
GB2140555B (en) * 1983-05-24 1987-03-25 British Petroleum Co Plc Diamond separation

Also Published As

Publication number Publication date
GB2199657B (en) 1990-12-12
GB2199657A (en) 1988-07-13
AU595660B2 (en) 1990-04-05
GB8726532D0 (en) 1987-12-16
AU8117987A (en) 1988-05-19

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Legal Events

Date Code Title Description
FC Decision: refusal
B15K Others concerning applications: alteration of classification

Ipc: B07C 5/342 (2006.01), B07C 5/36 (2006.0