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IMPROVED PROCESS FOR PRODUCING MIDDLE DISTILLATES BY OLIGOMERISATION OF AN OLEFINIC FEEDSTOCK
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IMPROVED PROCESS FOR PRODUCING MIDDLE DISTILLATES BY OLIGOMERISATION OF AN OLEFINIC FEEDSTOCK
PCT NATIONAL PHASE APPLICATION
Published
Filed on 1 November 2024
Abstract
The present invention relates to a process for preparing middle distillates from an olefinic feedstock, comprising: a) a step of oligomerisation, fed with the olefinic feedstock, a first recycled substance and a second recycled substance, and carried out in the presence of at least one oligomerisation catalyst, to produce a reaction effluent comprising dimers, trimers and oligomers; b) a step of fractionation of the reaction effluent to give: - a light fraction comprising at least part of the unconverted olefinic feedstock; - an intermediate fraction comprising at least part of the dimers and trimers; and - a heavy fraction comprising the oligomers; c) a recycling step, comprising preparing a first recycled substance comprising at least part of the light fraction and a second recycled substance comprising at least part of the intermediate fraction; and transferring the first recycled substance and the second recycled substance to step a); and d) a step of hydrogenation of at least part of the heavy fraction.
Patent Information
| Application ID | 202447083678 |
| Invention Field | CHEMICAL |
| Date of Application | 01/11/2024 |
| Publication Number | 45/2024 |
Inventors
| Name | Address | Country | Nationality |
|---|---|---|---|
| GEORG, Pierre-Antoine | Axens 89 Bld Franklin Roosevelt 92500 RUEIL-MALMAISON | France | France |
Applicants
| Name | Address | Country | Nationality |
|---|---|---|---|
| AXENS | 89 Bld Franklin Roosevelt 92500 RUEIL-MALMAISON | France | France |
Documents
| Name | Date |
|---|---|
| 202447083678-FORM-26 [04-11-2024(online)].pdf | 04/11/2024 |
| 202447083678-COMPLETE SPECIFICATION [01-11-2024(online)].pdf | 01/11/2024 |
| 202447083678-DECLARATION OF INVENTORSHIP (FORM 5) [01-11-2024(online)].pdf | 01/11/2024 |
| 202447083678-DRAWINGS [01-11-2024(online)].pdf | 01/11/2024 |
| 202447083678-FORM 1 [01-11-2024(online)].pdf | 01/11/2024 |
| 202447083678-FORM 18 [01-11-2024(online)].pdf | 01/11/2024 |
| 202447083678-PROOF OF RIGHT [01-11-2024(online)].pdf | 01/11/2024 |
| 202447083678-REQUEST FOR EXAMINATION (FORM-18) [01-11-2024(online)].pdf | 01/11/2024 |
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