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BR8805163A - Processo e aparelho para monitorar a eficiencia de um processo no qual diamantes ou particulas contendo diamante sao separadas das particulas de ganga e elemento tracador - Google Patents

Processo e aparelho para monitorar a eficiencia de um processo no qual diamantes ou particulas contendo diamante sao separadas das particulas de ganga e elemento tracador

Info

Publication number
BR8805163A
BR8805163A BR8805163A BR8805163A BR8805163A BR 8805163 A BR8805163 A BR 8805163A BR 8805163 A BR8805163 A BR 8805163A BR 8805163 A BR8805163 A BR 8805163A BR 8805163 A BR8805163 A BR 8805163A
Authority
BR
Brazil
Prior art keywords
particles
ganga
diamonds
monitoring
separate
Prior art date
Application number
BR8805163A
Other languages
English (en)
Inventor
Roberto De Pretto
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 BR8805163A publication Critical patent/BR8805163A/pt

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
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (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)
BR8805163A 1987-10-07 1988-10-06 Processo e aparelho para monitorar a eficiencia de um processo no qual diamantes ou particulas contendo diamante sao separadas das particulas de ganga e elemento tracador BR8805163A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA877527 1987-10-07

Publications (1)

Publication Number Publication Date
BR8805163A true BR8805163A (pt) 1989-05-23

Family

ID=25579018

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8805163A BR8805163A (pt) 1987-10-07 1988-10-06 Processo e aparelho para monitorar a eficiencia de um processo no qual diamantes ou particulas contendo diamante sao separadas das particulas de ganga e elemento tracador

Country Status (3)

Country Link
AU (1) AU606217B2 (pt)
BR (1) BR8805163A (pt)
GB (1) GB2210686B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2137556C1 (ru) * 1998-07-20 1999-09-20 Акционерная компания "Алмазы России-Саха" Индикатор для контроля процесса сепарации алмазосодержащего сырья

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220455A (en) * 1978-10-24 1980-09-02 General Electric Company Polycrystalline diamond and/or cubic boron nitride body and process for making said body
FR2486241A1 (fr) * 1980-07-01 1982-01-08 Soudure Autogene Francaise Systeme de reference pour le controle d'un liquide contenu dans un recipient transparent au mode de detection
GB2140555B (en) * 1983-05-24 1987-03-25 British Petroleum Co Plc Diamond separation
US4621464A (en) * 1984-04-30 1986-11-11 Ppg Industries, Inc. Edging glass sheets with diamond wheels
US4636073A (en) * 1984-10-31 1987-01-13 International Business Machines Corporation Universal calibration standard for surface inspection systems
AU587345B2 (en) * 1986-08-20 1989-08-10 De Beers Consolidated Mines Limited Separation process

Also Published As

Publication number Publication date
GB8823489D0 (en) 1988-11-16
AU606217B2 (en) 1991-01-31
GB2210686A (en) 1989-06-14
GB2210686B (en) 1992-05-27
AU2349188A (en) 1989-04-13

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Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))