PT79235A - PROCESS FOR THE PRETREATMENT OF CLAY-LIKE MINERALS BY ALKALI HUMECKING AND THERMAL TREATMENT - Google Patents
PROCESS FOR THE PRETREATMENT OF CLAY-LIKE MINERALS BY ALKALI HUMECKING AND THERMAL TREATMENTInfo
- Publication number
- PT79235A PT79235A PT79235A PT7923584A PT79235A PT 79235 A PT79235 A PT 79235A PT 79235 A PT79235 A PT 79235A PT 7923584 A PT7923584 A PT 7923584A PT 79235 A PT79235 A PT 79235A
- Authority
- PT
- Portugal
- Prior art keywords
- humecking
- minerals
- pretreatment
- clay
- alkali
- Prior art date
Links
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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8315272A FR2552109B1 (en) | 1983-09-21 | 1983-09-21 | PRETREATMENT OF CLAY-TONGUE ORES BY ALKALINE MOISTURE AND TEMPERATURE RISE |
FR8317601A FR2554128B1 (en) | 1983-10-28 | 1983-10-28 | PRETREATMENT OF OILS WITH A CLAY TONGUE BY ALKALINE MOISTURE AND MAINTAINING A TEMPERATURE OF NOT MORE THAN 105 OC |
Publications (2)
Publication Number | Publication Date |
---|---|
PT79235A true PT79235A (en) | 1984-10-01 |
PT79235B PT79235B (en) | 1986-11-24 |
Family
ID=26223595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT79235A PT79235B (en) | 1983-09-21 | 1984-09-19 | PROCESS FOR THE PRETREATMENT OF CLAY-LIKE MINERALS BY ALKALI HUMECKING AND THERMAL TREATMENT |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0135457B1 (en) |
AU (1) | AU3336084A (en) |
BR (1) | BR8404730A (en) |
DK (1) | DK441884A (en) |
GB (1) | GB2148263B (en) |
MA (1) | MA20228A1 (en) |
OA (1) | OA07814A (en) |
PH (1) | PH20833A (en) |
PT (1) | PT79235B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2621927B1 (en) * | 1988-07-08 | 1994-08-05 | Cogema | PROCESS FOR ACCELERATED STATIC LEACHING OF CLAY ORE |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR360602A (en) * | 1905-05-02 | 1906-04-27 | Louis Riviere | Use of autoclaves in metallurgy for the treatment of ores and the separation of metals |
FR481455A (en) * | 1916-04-05 | 1916-12-08 | Anita Emilie Currie | Commercial process for extracting metals and metal salts from ores of these metals |
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 (en) * | 1961-08-09 | 1963-06-07 | Wah Chang Corp | Process for recovering niobium, tantalum and titanium from a siliceous gangue containing these elements |
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/en unknown
- 1984-09-17 DK DK441884A patent/DK441884A/en not_active Application Discontinuation
- 1984-09-19 EP EP84420157A patent/EP0135457B1/en not_active Expired
- 1984-09-19 PT PT79235A patent/PT79235B/en unknown
- 1984-09-20 BR BR8404730A patent/BR8404730A/en unknown
- 1984-09-20 AU AU33360/84A patent/AU3336084A/en not_active Abandoned
- 1984-09-20 GB GB08423805A patent/GB2148263B/en not_active Expired
- 1984-09-20 OA OA58390A patent/OA07814A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MA20228A1 (en) | 1985-04-01 |
DK441884A (en) | 1985-03-22 |
GB2148263A (en) | 1985-05-30 |
PT79235B (en) | 1986-11-24 |
GB8423805D0 (en) | 1984-11-14 |
OA07814A (en) | 1986-11-20 |
EP0135457B1 (en) | 1987-09-16 |
AU3336084A (en) | 1985-03-28 |
DK441884D0 (en) | 1984-09-17 |
EP0135457A1 (en) | 1985-03-27 |
BR8404730A (en) | 1985-08-13 |
GB2148263B (en) | 1987-10-21 |
PH20833A (en) | 1987-04-30 |
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