Hydroprocessing methods utilizing carbon oxide-tolerant catalysts
US8894844B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2012 |
| Grant date | Nov 25, 2014 |
| Priority date | — |
| Expiry date | Sep 1, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/202
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention includes a hydrotreating method for increased CO content comprising: contacting an olefinic naphtha feedstream with a hydrogen-containing treat gas stream and a hydrotreating catalyst in a reactor under hydrotreating conditions sufficient to at least partially hydrodesulfurize and/or hydrodenitrogenate the feedstream, wherein the feedstream and the hydrogen-containing treat gas stream collectively have greater than 10 vppm CO content and/or wherein the reactor inlet sees an average CO concentration of greater than 10 vppm, wherein the hydrotreating catalyst comprises a catalyst having cobalt and molybdenum disposed on a silica-based support, and wherein the hydrotreating conditions are selected such that the catalyst has a relative HDS activity at least 10% greater than an identical catalyst under identical conditions except for a collective CO content of the feedstream and/or hydrogen-containing treat gas being <10 vppm and/or a reactor inlet CO content <10 vppm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.