Process for steam dealkylation of aromatic hydrocarbons
US4199437A · kind A · utility
8Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1979 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Feb 23, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for steam dealkylation of alkylaromatic hydrocarbons, particularly useful to produce benzene from toluene and to de-alkylate the alkylaromatic hydrocarbons contained in the effluents from catalytic reforming and aromatic production units, wherein the catalyst contains, in addition to an alumina carrier (a) at least one metal selected from ruthenium, rhodium, palladium, osmium, iridium and platinum (b) rhenium and (c) an alkali metal selected from lithium, sodium, potassium, rubidium and cesium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.