Process for selective deep hydrodesulfurization of a hydrocarbon feedstock using an unsupported nanocatalyst made by laser pyrolysis
US10023813B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 23, 2016 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/202
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for producing an unsupported molybdenum sulfide nanocatalyst comprising atomizing a molybdenum oxide solution to form a molybdenum oxide aerosol, pyrolyzing the molybdenum oxide aerosol with a laser beam to form the unsupported molybdenum-based nanocatalyst, and pre-sulfiding at least a portion of the unsupported molybdenum-based nanocatalyst to form an unsupported molybdenum sulfide nanocatalyst, wherein the unsupported molybdenum-based nanocatalyst, the unsupported molybdenum sulfide catalyst or both are in the form of nanoparticles with a diameter of 1-10 nm and in a distorted rutile crystalline structure. A method of selective deep hydrodesulfurization whereby a hydrocarbon feedstock having at least one sulfur-containing component and at least one hydrocarbon is contacted with the unsupported molybdenum sulfide nanocatalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.