Patent · US Active

Method and apparatus for converting and removing organosulfur and other oxidizable compounds from distillate fuels, and compositions obtained thereby

US7820031B2 · kind B2 · utility

13Cited by

8References

16Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Robert D'Alessandro · Spanish Fort, US
John Tarabocchia · Friedrichsdorf, DE
Jerald Andrew Jones · Frankfurt am Main, DE
Steven E. Bonde · Golden, US
Stefan Leininger · Langenselbold, DE

Key dates

Filing date	Oct 20, 2004
Grant date	Oct 26, 2010
Priority date	—
Expiry date	Jan 8, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G67/12
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present disclosure is directed to a multi-stage system and a process utilizing said system with the design of reducing the sulfur-content in a liquid comprising hydrocarbons and organosulfur compounds. The process comprising at least one of the following states: (1) an oxidation stage; (2) an extraction state; (3) a raffinate washing stage; (4) a raffinate polishing stage; (5) a solvent recovery stage; (6) a solvent purification stage; and (7) a hydrocarbon recovery stage. The process for removing sulfur-containing hydrocarbons from gas oil, which comprises oxidizing gas oil comprising hydrocarbons and organosulfur compounds to obtain a product gas oil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.