Purification of an olefinic fraction by adsorption on alumina-faujasite co-granules
US8809612B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2013 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Sep 18, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2253/108
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Method for preparation of an adsorbent that comprises successive shaping stages by co-granulation of a faujasite-type zeolite powder A, with a powder B that consists of alumina, whereby the ratio per unit of mass of the powder A in the mixture of powders A and B is between 10 and 70%, for treatment under water vapor and drying.The invention also relates to a process for adsorption of organic contaminants that contain at least one heteroatom and that are present in an olefinic feedstock that comprises at least 50% by volume of hydrocarbons, whereby this process comprises the stage for bringing the olefinic feedstock into contact with the adsorbent that is obtained by the preparation method according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.