Integrated hydrotreating and steam pyrolysis process including residual bypass for direct processing of a crude oil
US9296961B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2013 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Dec 22, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2400/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process is provided that is directed to a steam pyrolysis zone integrated with a hydroprocessing zone including residual bypass to permit direct processing of crude oil feedstocks to produce petrochemicals including olefins and aromatics. The integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals comprises separating the crude oil into light components and heavy components; charging the light components and hydrogen to a hydroprocessing zone operating under conditions effective to produce a hydroprocessed effluent reduced having a reduced content of contaminants, an increased paraffinicity, reduced Bureau of Mines Correlation Index, and an increased American Petroleum Institute gravity; thermally cracking the hydroprocessed effluent in the presence of steam to produce a mixed product stream; separating the mixed product stream; purifying hydrogen recovered from the mixed product stream and recycling it to the hydroprocessing zone; recovering olefins and aromatics from the separated mixed product stream; and recovering a combined stream of pyrolysis fuel oil from the separated mixed product stre…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.