FR2271880A1 - High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium - Google Patents

High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Info

Publication number
FR2271880A1
FR2271880A1 FR7417779A FR7417779A FR2271880A1 FR 2271880 A1 FR2271880 A1 FR 2271880A1 FR 7417779 A FR7417779 A FR 7417779A FR 7417779 A FR7417779 A FR 7417779A FR 2271880 A1 FR2271880 A1 FR 2271880A1
Authority
FR
France
Prior art keywords
iron
lumps
ray fluorescence
ore
signal
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.)
Granted
Application number
FR7417779A
Other languages
English (en)
French (fr)
Other versions
FR2271880B1 (cs
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR7417779A priority Critical patent/FR2271880A1/fr
Publication of FR2271880A1 publication Critical patent/FR2271880A1/fr
Application granted granted Critical
Publication of FR2271880B1 publication Critical patent/FR2271880B1/fr
Granted 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
    • B07C5/346—Sorting according to other particular properties according to radioactive properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/07—Investigating materials by wave or particle radiation secondary emission
    • G01N2223/076—X-ray fluorescence

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)
  • Manufacture And Refinement Of Metals (AREA)
FR7417779A 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium Granted FR2271880A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7417779A FR2271880A1 (en) 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417779A FR2271880A1 (en) 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Publications (2)

Publication Number Publication Date
FR2271880A1 true FR2271880A1 (en) 1975-12-19
FR2271880B1 FR2271880B1 (cs) 1977-03-11

Family

ID=9139153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417779A Granted FR2271880A1 (en) 1974-05-22 1974-05-22 High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium

Country Status (1)

Country Link
FR (1) FR2271880A1 (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001837A1 (fr) * 1979-02-26 1980-09-04 Luossavaara Kiirunavaara Ab Procede pour trier des materiaux grossiers a fins selon leur composition chimique
US4275298A (en) * 1977-05-31 1981-06-23 Coal Industry (Patents) Limited Method of and apparatus for determining the proportion of at least one material in a moving mixture of materials
EP0074447A1 (en) * 1981-09-15 1983-03-23 Resource Recovery Limited Apparatus and method for sorting articles
EP0096092A1 (de) * 1982-06-07 1983-12-21 Klaus Prof. Dipl.-Ing. Sczimarowski Vorrichtung zum Sortieren von Metallteilen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425143A (en) 1978-12-29 1984-01-10 Shin Tohoku Chemical Industries Inc. Adsorption by zeolitic composition

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275298A (en) * 1977-05-31 1981-06-23 Coal Industry (Patents) Limited Method of and apparatus for determining the proportion of at least one material in a moving mixture of materials
WO1980001837A1 (fr) * 1979-02-26 1980-09-04 Luossavaara Kiirunavaara Ab Procede pour trier des materiaux grossiers a fins selon leur composition chimique
US4441616A (en) * 1979-02-26 1984-04-10 International Business Machines Corporation Process for sorting coarse to fine materials according to their chemical composition
EP0074447A1 (en) * 1981-09-15 1983-03-23 Resource Recovery Limited Apparatus and method for sorting articles
EP0096092A1 (de) * 1982-06-07 1983-12-21 Klaus Prof. Dipl.-Ing. Sczimarowski Vorrichtung zum Sortieren von Metallteilen

Also Published As

Publication number Publication date
FR2271880B1 (cs) 1977-03-11

Similar Documents

Publication Publication Date Title
FR2271880A1 (en) High speed sorting of iron ores - using radioactive source to produce X-ray fluorescence due to iron and calcium
GB1379923A (en) Separation of particles
GB1248416A (en) Process for the treatment of fly ash and product
JPS537505A (en) Operating process of blast furnace
ES487897A1 (es) Procedimiento para recuperar un concentrado que contiene uranio y acido fosforico purificado a partir de acido fosfo-rico de procedimiento humedo
ES405613A1 (es) Un procedimiento de tratamiento de minerales, en particularde minerales fosfatados.
GB1532022A (en) Method for tagging explosive material
ES371092A1 (es) Procedimiento para la produccion de esponja de hierro.
GB1435219A (en) Produc
GB1297743A (cs)
US2586545A (en) Beneficiation of nonmetallic ores
ES422246A1 (es) Procedimiento y medio para la iniciacion y realizacion de microexplosiones de fision para la liberacion nuclear con- trolada de energia.
AU2533471A (en) Process for flotation of minerals and ores
GB1205453A (en) Arsenic removal from iron minerals
JPS5245518A (en) Production process of pellets using iron ore dust generated from raw m aterial for iron manufacture as raw material
JPS5381406A (en) Treating method for secondary ash of blast furnace
NL7106710A (en) Tracing industrial processes - by adding non-radioactive tracer and making radioactive at detection point by irradiating
Davis National Inventory of Sources and Emissions Barium, Boron, Copper, Selenium, and Zinc 1969- Copper Section III
JPS5261101A (en) Process for sintering by pretreatment of raw material
JPS5249905A (en) Method of preliminary treatment of raw material to be sintered
Forssberg et al. Simulation Model for the Application of Reichert Cone Concentrators in Iron Ore Dressing
JPS5218403A (en) Process for production of non-fired lump ores
Ivanov Contribution of Nuclear Reaction Products to the Formation of Simple Defects in Si Due to Irradiation With Electrons and Gamma Rays
GB1240767A (en) Track registration process
JPS5325201A (en) Separation and collection method for powders, containing metal, and containing carbon

Legal Events

Date Code Title Description
ST Notification of lapse