C01B 39/02 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
Full Title
Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination (treatment to modify the sorption properties, e.g. shaping using a binder, B01J20/10; treatment to modify the catalytic properties, e.g. combination of treatments to make the zeolites appropriate to their use as a catalyst, B01J29/04; treatment to improve the ion-exchange properties B01J39/14) > 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
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- C01B 39/04 using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound
- C01B 39/06 Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements
- C01B 39/14 Type A
- C01B 39/20 Faujasite type, e.g. type X or Y
- C01B 39/26 Mordenite type
- C01B 39/28 Phillipsite or harmotome type
- C01B 39/30 Erionite or offretite type, e.g. zeolite T
- C01B 39/32 Type L
- C01B 39/34 Type ZSM-4
- C01B 39/36 Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
- C01B 39/42 Type ZSM-12
- C01B 39/44 Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38
- C01B 39/46 Other types characterised by their X-ray diffraction pattern and their defined composition