Patent · US Active

Process for treating a sulfur-containing spent caustic refinery stream using a membrane electrolyzer powered by a fuel cell

US7713399B2 · kind B2 · utility

8Cited by

12References

27Claims

0Family size

Assignee

SAUDI ARABIAN OIL COMPANY · SA

Inventors

Gary D. Martinie · Dhahran, SA
Fahran M. Al-Shahrani · Dhahran, SA
Bashir O. Dabbousi · Dhahran, SA

Key dates

Filing date	May 12, 2005
Grant date	May 11, 2010
Priority date	—
Expiry date	Aug 17, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A continuous method for the treatment of a spent aqueous caustic stream used to scrub a hydrocarbon process stream to remove oxidizable sulfur-containing compounds includes:

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