Shaped catalysts for transalkylation of aromatics for enhanced xylenes production
US6815570B1 · kind B1 · utility
35Cited by
6References
9Claims
0Family size
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Key dates
| Filing date | May 7, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Jul 8, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst, a process for using the catalyst whereby the catalyst effectively transalkylates C7, C9, and C10 aromatics to C8 aromatics are disclosed. The catalyst comprises a support such as mordenite plus a metal component. The catalyst provides an enhanced life and activity for carrying out the transalkylation reactions at relatively low temperatures. This is achieved by reducing the maximum particle diameter of cylindrical pellets to {fraction (1/32)} inch (0.08 cm) or a trilobe to {fraction (1/16)} inch (0.16 cm).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.