IT939337B - Procedimento per la produzione di soluzioni di alluminato alcalino praticamete esenti da cromo - Google Patents
Procedimento per la produzione di soluzioni di alluminato alcalino praticamete esenti da cromoInfo
- Publication number
- IT939337B IT939337B IT51884/71A IT5188471A IT939337B IT 939337 B IT939337 B IT 939337B IT 51884/71 A IT51884/71 A IT 51884/71A IT 5188471 A IT5188471 A IT 5188471A IT 939337 B IT939337 B IT 939337B
- Authority
- IT
- Italy
- Prior art keywords
- chrome
- procedure
- production
- practically free
- aluminate solutions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0613—Pretreatment of the minerals, e.g. grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702037070 DE2037070A1 (de) | 1970-07-27 | 1970-07-27 | Verfahren zur Herstellung von praktisch chromfreien Alkalialuminatlösungen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT939337B true IT939337B (it) | 1973-02-10 |
Family
ID=5777946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51884/71A IT939337B (it) | 1970-07-27 | 1971-07-24 | Procedimento per la produzione di soluzioni di alluminato alcalino praticamete esenti da cromo |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE770486A (it) |
DE (1) | DE2037070A1 (it) |
FR (1) | FR2099609B1 (it) |
GB (1) | GB1354540A (it) |
IT (1) | IT939337B (it) |
NL (1) | NL7110334A (it) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE61C (de) * | 1877-07-05 | R. KRAUSCHITZ zu Eichenbarleben bei Magdeburg | Kombinirte Verdampf-Apparate und Filter für Rübensäfte |
-
1970
- 1970-07-27 DE DE19702037070 patent/DE2037070A1/de active Pending
-
1971
- 1971-07-24 IT IT51884/71A patent/IT939337B/it active
- 1971-07-26 FR FR7127262A patent/FR2099609B1/fr not_active Expired
- 1971-07-26 GB GB3504671A patent/GB1354540A/en not_active Expired
- 1971-07-26 BE BE770486A patent/BE770486A/xx unknown
- 1971-07-27 NL NL7110334A patent/NL7110334A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2099609B1 (it) | 1975-04-18 |
GB1354540A (en) | 1974-06-05 |
FR2099609A1 (it) | 1972-03-17 |
BE770486A (fr) | 1971-12-01 |
NL7110334A (it) | 1972-01-31 |
DE2037070A1 (de) | 1972-02-03 |
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