CA1004654A - Method of increasing the thermal stability of crystalline zeolites - Google Patents
Method of increasing the thermal stability of crystalline zeolitesInfo
- Publication number
- CA1004654A CA1004654A CA134,916A CA134916A CA1004654A CA 1004654 A CA1004654 A CA 1004654A CA 134916 A CA134916 A CA 134916A CA 1004654 A CA1004654 A CA 1004654A
- Authority
- CA
- Canada
- Prior art keywords
- increasing
- thermal stability
- crystalline zeolites
- zeolites
- crystalline
- 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
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/082—X-type faujasite
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/026—After-treatment
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/40—Special temperature treatment, i.e. other than just for template removal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Analytical Chemistry (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Catalysts (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA215,915A CA1004657A (en) | 1971-06-07 | 1974-12-13 | Method of increasing the thermal stability of crystalline zeolites |
CA215,914A CA1001606A (en) | 1971-06-07 | 1974-12-13 | Method of increasing the thermal stability of crystalline zeolites |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15078071A | 1971-06-07 | 1971-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1004654A true CA1004654A (en) | 1977-02-01 |
Family
ID=22535963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA134,916A Expired CA1004654A (en) | 1971-06-07 | 1972-02-17 | Method of increasing the thermal stability of crystalline zeolites |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1004654A (en) |
DE (1) | DE2227334A1 (en) |
FR (1) | FR2140495A1 (en) |
GB (1) | GB1397983A (en) |
IT (1) | IT956149B (en) |
-
1972
- 1972-02-17 CA CA134,916A patent/CA1004654A/en not_active Expired
- 1972-06-01 GB GB2567672A patent/GB1397983A/en not_active Expired
- 1972-06-05 IT IT2525872A patent/IT956149B/en active
- 1972-06-06 DE DE19722227334 patent/DE2227334A1/en active Pending
- 1972-06-06 FR FR7220322A patent/FR2140495A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2227334A1 (en) | 1972-12-14 |
GB1397983A (en) | 1975-06-18 |
IT956149B (en) | 1973-10-10 |
FR2140495A1 (en) | 1973-01-19 |
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