Patent · US Active

Deep hydrodesulfurization of hydrocarbon feedstreams

US7959795B2 · kind B2 · utility

1Cited by

2References

17Claims

0Family size

Assignee

EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

Teh C. Ho · Bound Brook, US
Garland B. Brignac · Clinton, US
Zhiguo Hou · Fairfax, US
Michael C. Kerby · Center Valley, US
Tahmid I. Mizan · Bound Brook, US
William E. Lewis · Baton Rouge, US

Key dates

Filing date	Jul 22, 2008
Grant date	Jun 14, 2011
Priority date	—
Expiry date	Jan 29, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G45/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The distillate catalytic hydrodesulfurization of hydrocarbon fuels wherein the optimum hydrogen treat gas rate to maximize desulfurization is determined and introduced into the reaction zone to maintain a controlled amount of hydrogen at the surface of the catalyst during hydrodesulfurization.

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