NL78474C - - Google Patents
Info
- Publication number
- NL78474C NL78474C NL78474DA NL78474C NL 78474 C NL78474 C NL 78474C NL 78474D A NL78474D A NL 78474DA NL 78474 C NL78474 C NL 78474C
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/12—Silica and alumina
-
- 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
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US148978A US2657115A (en) | 1950-03-10 | 1950-03-10 | Manufacture of alkali metal-free alumina |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL78474C true NL78474C (de) |
Family
ID=22528283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78474D NL78474C (de) | 1950-03-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2657115A (de) |
| FR (1) | FR1033614A (de) |
| GB (1) | GB686495A (de) |
| NL (1) | NL78474C (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899276A (en) * | 1959-08-11 | Process for preparing dense | ||
| US2894898A (en) * | 1954-05-07 | 1959-07-14 | Basf Ag | Method of treating hydrocarbons with an alumina containing catalyst composite |
| US2893837A (en) * | 1955-03-25 | 1959-07-07 | Exxon Research Engineering Co | Production of alumina |
| US2999586A (en) * | 1955-08-03 | 1961-09-12 | Engelhard Ind Inc | Fractionation of alumina hydrates |
| US2907634A (en) * | 1955-10-05 | 1959-10-06 | Basf Ag | Production of colloidally soluble aluminum hydroxide |
| US2988520A (en) * | 1955-11-09 | 1961-06-13 | Nalco Chemical Co | Alumina compositions and process for the preparation thereof |
| US2943065A (en) * | 1955-12-08 | 1960-06-28 | Nalco Chemical Co | Method for preparing alumina compositions |
| US2898307A (en) * | 1956-09-10 | 1959-08-04 | Sinclair Refining Co | A method for preparing aluminum hydrate compositions |
| US2919973A (en) * | 1956-10-18 | 1960-01-05 | William D Stillwell | Method of preparing catalytically active alumina |
| NL111171C (de) * | 1957-05-17 | |||
| US3086845A (en) * | 1957-05-17 | 1963-04-23 | American Cyanamid Co | Alumina of controlled density |
| NL112811C (de) * | 1957-11-15 | |||
| US3025132A (en) * | 1959-08-07 | 1962-03-13 | American Cyanamid Co | Method of oxidizing hydrocarbon constituents of exhaust gases |
| US3112995A (en) * | 1961-08-22 | 1963-12-03 | Universal Oil Prod Co | Manufacture of alumina from the reaction of ammonium hydroxide with aluminum sulfate |
| NL6501093A (de) * | 1964-02-20 | 1965-08-23 | ||
| GB1282774A (en) * | 1969-08-27 | 1972-07-26 | Shell Int Research | A process for the catalytic hydrogenation of hydrocarbon oils or oil fractions and a catalyst therefor |
| US3630670A (en) * | 1970-05-25 | 1971-12-28 | Kaiser Aluminium Chem Corp | Pseudoboehmitic alumina and process for making same |
| US3984521A (en) * | 1973-12-03 | 1976-10-05 | Gakif Zakirovich Nasyrov | Method of producing alumina and potassium sulphate from alunite |
| SE439006B (sv) * | 1982-11-02 | 1985-05-28 | Boliden Ab | Forfarande for framstellning av sulfatfattiga, flerkerniga aluminiumhydroxidsulfatkomplex |
| US4780307A (en) * | 1984-10-23 | 1988-10-25 | Rafa Laboratories Ltd. | Aluminum hydroxide |
| US4822593A (en) * | 1986-12-11 | 1989-04-18 | Aluminum Company Of America | Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration |
| US4900537A (en) * | 1986-12-11 | 1990-02-13 | Biotage, Inc. | Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration |
| CN115340114A (zh) * | 2022-09-13 | 2022-11-15 | 三门峡义翔铝业有限公司 | 一种超低钠铝化物的生产装置及生产工艺 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1858165A (en) * | 1928-07-19 | 1932-05-10 | Internat Silica Corp | Process of obtaining aluminum hydrate |
| US2120840A (en) * | 1934-08-20 | 1938-06-14 | Bohn Aluminium & Brass Corp | Cyclic process for treating alunite |
| US2137638A (en) * | 1937-08-13 | 1938-11-22 | George A Breon & Company Inc | Aluminum hydroxide hydrogel and process for making it |
| US2247624A (en) * | 1939-05-31 | 1941-07-01 | Aluminum Co Of America | Aluminum hydrate |
| US2351941A (en) * | 1940-04-20 | 1944-06-20 | Dyckerhoff Walter | Producing alumina |
| US2423947A (en) * | 1941-04-30 | 1947-07-15 | Standard Oil Co | Catalytic reforming process |
| US2406420A (en) * | 1941-07-05 | 1946-08-27 | Houdry Process Corp | Manufacture of stable alumina and impregnated alumina catalysts |
| US2487076A (en) * | 1944-12-02 | 1949-11-08 | Franklin H Sharp | Process for producing alumina |
| US2549549A (en) * | 1947-06-07 | 1951-04-17 | Aluminum Co Of America | Process for producing aluminum trihydrate |
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0
- NL NL78474D patent/NL78474C/xx active
-
1950
- 1950-03-10 US US148978A patent/US2657115A/en not_active Expired - Lifetime
-
1951
- 1951-01-25 FR FR1033614D patent/FR1033614A/fr not_active Expired
- 1951-02-07 GB GB2999/51A patent/GB686495A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB686495A (en) | 1953-01-28 |
| FR1033614A (fr) | 1953-07-13 |
| US2657115A (en) | 1953-10-27 |