GB897223A - A process for the production of sodium zeolite a - Google Patents
A process for the production of sodium zeolite aInfo
- Publication number
- GB897223A GB897223A GB33503/59A GB3350359A GB897223A GB 897223 A GB897223 A GB 897223A GB 33503/59 A GB33503/59 A GB 33503/59A GB 3350359 A GB3350359 A GB 3350359A GB 897223 A GB897223 A GB 897223A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- solution
- zeolite
- al2o3
- sio2
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
- C01B33/28—Base exchange silicates, e.g. zeolites
- C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures
- C01B33/2815—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures of type A (UNION CARBIDE trade name; corresponds to GRACE's types Z-12 or Z-12L)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
<PICT:0897223/III/1> Sodium zeolite A, of formula (1,0\sB0,2)-Na2O.Al2O3.(1,85\sB0,2) SiO2. (0 to 6) H2O, is prepared from substances capable of providing sodium oxide, silica and alumina, by (a) forming a solution of the substances so that the molar ratio of SiO2/Al2O3 is between 0,5 and 4,5, and so that, after the formation of an intermediate sodium aluminosilicate, the solution contains free sodium hydroxide in a concentration between 1,5 and 5,0 mol/1, the concentration being represented by co-ordinates within the area B of the Figure, and (b) heating the solution, together with the intermediate aluminosilicate, for at least 15 minutes at not more than 80 DEG C. In examples, sodium zeolite A is prepared from solutions of sodium aluminate, sodium silicate and sodium hydroxide in various concentrations. Specification 777,232 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE897223X | 1958-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB897223A true GB897223A (en) | 1962-05-23 |
Family
ID=6848590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33503/59A Expired GB897223A (en) | 1958-10-03 | 1959-10-02 | A process for the production of sodium zeolite a |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB897223A (en) |
-
1959
- 1959-10-02 GB GB33503/59A patent/GB897223A/en not_active Expired
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