BR8404730A - Processo de pre-tratamento,a pressao atmosferica ou proximo da pressao atmosferica,por umectacao alcalina e tratamento termico de minerios triturados cuja ganga compreende compostos argilosos - Google Patents

Processo de pre-tratamento,a pressao atmosferica ou proximo da pressao atmosferica,por umectacao alcalina e tratamento termico de minerios triturados cuja ganga compreende compostos argilosos

Info

Publication number: BR8404730A
Authority: BR; Brazil
Prior art keywords: atmospheric pressure; humidation; ganga; mines; crushed
Prior art date: 1983-09-21

Application number

BR8404730A

Other languages

English (en)

Portuguese (pt)

Inventor

Jean-Michel Lamerant

Francois Pallez

Pierre-Bernard Personnet

Original Assignee

Pechiney Uranium

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.)

1983-09-21

Filing date

1984-09-20

Publication date

1985-08-13

1983-09-21 Priority claimed from FR8315272A external-priority patent/FR2552109B1/fr

1983-10-28 Priority claimed from FR8317601A external-priority patent/FR2554128B1/fr

1984-09-20 Application filed by Pechiney Uranium filed Critical Pechiney Uranium

1985-08-13 Publication of BR8404730A publication Critical patent/BR8404730A/pt

Links

239000004927 clay Substances 0.000 title 1
150000001875 compounds Chemical class 0.000 title 1
238000000034 method Methods 0.000 title 1
238000002203 pretreatment Methods 0.000 title 1
238000007669 thermal treatment Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/005—Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/22—Obtaining vanadium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0208—Obtaining thorium, uranium, or other actinides obtaining uranium preliminary treatment of ores or scrap

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Environmental & Geological Engineering (AREA)
Geology (AREA)
Geochemistry & Mineralogy (AREA)
Manufacture And Refinement Of Metals (AREA)

BR8404730A 1983-09-21 1984-09-20 Processo de pre-tratamento,a pressao atmosferica ou proximo da pressao atmosferica,por umectacao alcalina e tratamento termico de minerios triturados cuja ganga compreende compostos argilosos BR8404730A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8315272A FR2552109B1 (fr)	1983-09-21	1983-09-21	Pretraitement de minerais a gangue argileuse par humectage alcalin et elevation de temperature
FR8317601A FR2554128B1 (fr)	1983-10-28	1983-10-28	Pretraitement de minerais a gangue argileuse par humectage alcalin et maintien a une temperature d'au plus 105 oc

Publications (1)

Publication Number	Publication Date
BR8404730A true BR8404730A (pt)	1985-08-13

Family

ID=26223595

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8404730A BR8404730A (pt)	1983-09-21	1984-09-20	Processo de pre-tratamento,a pressao atmosferica ou proximo da pressao atmosferica,por umectacao alcalina e tratamento termico de minerios triturados cuja ganga compreende compostos argilosos

Country Status (9)

Country	Link
EP (1)	EP0135457B1 (de)
AU (1)	AU3336084A (de)
BR (1)	BR8404730A (de)
DK (1)	DK441884A (de)
GB (1)	GB2148263B (de)
MA (1)	MA20228A1 (de)
OA (1)	OA07814A (de)
PH (1)	PH20833A (de)
PT (1)	PT79235B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2621927B1 (fr) *	1988-07-08	1994-08-05	Cogema	Procede de lixiviation statique acceleree de minerai argileux

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR360602A (fr) *	1905-05-02	1906-04-27	Louis Riviere	Emploi des autoclaves en métallurgie pour le traitement des minerais et la séparation des métaux
FR481455A (fr) *	1916-04-05	1916-12-08	Anita Emilie Currie	Procédé commercial pour extraire des métaux et des sels métalliques des minerais de ces métaux
GB215802A (en) *	1922-11-20	1924-05-20	George Waldron Edwards	Improvements in or relating to the treatment of oxidised ores or other oxidised compounds of copper and zinc
GB272968A (en) *	1926-06-21	1928-12-21	Und Seruminstitut Bram G M B H	Improvements in or relating to separating mixed substances
US2351795A (en) *	1943-02-13	1944-06-20	Los Angeles Chemical Co	Method of treating complex leadzinc ores
GB762717A (en) *	1953-11-14	1956-12-05	Vaw Ver Aluminium Werke Ag	Method of removing silica from alumina-containing substances having high silica contents
US2956857A (en) *	1957-11-25	1960-10-18	Mallinckrodt Chemical Works	Methods of decomposing complex uranium-rare earth tantalo-columbates
FR1329171A (fr) *	1961-08-09	1963-06-07	Wah Chang Corp	Procédé de récupération de niobium, tantale et titane d'une gangue siliceuse contenant ces éléments
US3396138A (en) *	1964-08-21	1968-08-06	Tile Council Of America	Organic acid resistant compositions from epoxy resin, polyamines and clay

1984
- 1984-09-13 PH PH31205A patent/PH20833A/en unknown
- 1984-09-14 MA MA20452A patent/MA20228A1/fr unknown
- 1984-09-17 DK DK441884A patent/DK441884A/da not_active Application Discontinuation
- 1984-09-19 EP EP84420157A patent/EP0135457B1/fr not_active Expired
- 1984-09-19 PT PT79235A patent/PT79235B/pt unknown
- 1984-09-20 GB GB08423805A patent/GB2148263B/en not_active Expired
- 1984-09-20 OA OA58390A patent/OA07814A/xx unknown
- 1984-09-20 BR BR8404730A patent/BR8404730A/pt unknown
- 1984-09-20 AU AU33360/84A patent/AU3336084A/en not_active Abandoned

Also Published As

Publication number	Publication date
GB2148263B (en)	1987-10-21
EP0135457A1 (de)	1985-03-27
EP0135457B1 (en)	1987-09-16
GB8423805D0 (en)	1984-11-14
DK441884A (da)	1985-03-22
MA20228A1 (fr)	1985-04-01
PH20833A (en)	1987-04-30
PT79235B (fr)	1986-11-24
PT79235A (fr)	1984-10-01
GB2148263A (en)	1985-05-30
DK441884D0 (da)	1984-09-17
AU3336084A (en)	1985-03-28
OA07814A (fr)	1986-11-20

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