Process for isomerizing and dehydrogenating using a catalyst activated by sulfurization and passivation with ammonia or precursor thereof
US6350929B2 · kind B2 · utility
4Cited by
28References
19Claims
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Key dates
| Filing date | Sep 9, 1999 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Sep 9, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S585/906
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process for isomerization of a feedstock that contains aromatic compounds with eight carbon atoms characterized in that it comprises at least one isomerization stage a) that is carried out in the presence of a catalyst that contains at least one metal of group VIII and that is activated according to an activation process that comprises at least one sulfurization stage and at least one stage for passivation with ammonia, and at least one dehydrogenation stage b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.