Process for preparing a catalyst based on IZM-2 from a solution comprising specific precursors and use for the isomerization of paraffinic feedstocks
US10906030B2 · kind B2 · utility
1Cited by
5References
11Claims
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Key dates
| Filing date | Dec 6, 2018 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Dec 6, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing a difunctional catalyst using a zeolite IZM-2, a hydrogenating function and a matrix. The preparation process according to the invention simultaneously allows preferential localization of said hydrogenating function on the surface and/or in the microporosity of zeolite IZM-2 and homogeneous distribution of the hydrogenating function in the catalyst and preferably on zeolite IZM-2 by means of using an impregnation solution comprising specific noble metal precursors combined with the presence of ammonium salts, with a quite precise ratio of ammonium salt to noble metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.