Process for regenerating or activating a n-paraffin isomerization mordenite-containing catalyst
US4835129A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1988 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Mar 7, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for regenerating or activating a catalyst for isomerizing n-paraffins, containing at least one group VIII metal supported on an acid mordenite, wherein, after having lost at least a part of its initial activity, said catalyst is treated in a first step with an oxygen-containing gas at a temperature lower than about 550.degree. C., so as to remove the major part of the catalyst coke content, and in a second step the resultant product from the first step is oxychlorinated to a temperature of about 200.degree.-500.degree. C. by means of a gas mixture containing oxygen, water and chlorine or at least one chlorinated compound, said chlorine or chlorinated compound being used in a total amount of 0.5-10% by weight, calculated as chlorine, in proportion to the mordenite weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.