Method for preparation of mesoporous zeolites
US9403690B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 23, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Mar 3, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B39/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is a preparation method for a mesoporous zeolite, particularly a method for preparing mesoporous zeolite through a simple process without using costly materials such as an organic amine template or a surfactant. The method includes 1) forming a synthetic zeolite gel by mixing a silica precursor, an aluminum precursor and water and aging the resulted mixture; 2) carrying out zeolite synthesis by subjecting the synthetic zeolite gel to a hydrothermal reaction; 3) cooling the synthesized zeolite from the above step 2), then adding a basic solution thereto and allowing them to react, thereby obtaining a mesoporous zeolite slurry; and 4) washing the mesoporous zeolite slurry with water, drying and firing it, thereby obtaining a mesoporous zeolite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.