Process for the conversion of residue integrating moving-bed technology and ebullating-bed technology
US8926824B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2010 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/4018
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention describes a process for the conversion of heavy carbon-containing fractions having an initial boiling point of at least 300° C. to upgradable lighter products, said process comprising passage of said feed through a hydrorefining reaction zone comprising at least one moving-bed reactor, and passage of at least a portion of the effluent from stage a) through a hydroconversion reaction zone comprising at least one three-phase reactor, in the presence of hydrogen, said reactor containing at least one hydroconversion catalyst and operating in ebullating-bed mode, with an ascending current of liquid and gas and comprising at least one means of withdrawing said catalyst out of said reactor and at least one means of adding fresh catalyst into said reactor, under conditions making it possible to obtain a liquid feed with a reduced content of Conradson carbon, metals, sulphur and nitrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.