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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8696791 B1

PDFFull Text
Date of Patent:
Apr. 15, 2014

Filed:

Aug. 26, 2013

Sour gas and acid natural gas separation membrane process by pre removal of dissolved elemental sulfur for plugging prevention

Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Milind M. Vaidya, Dhahran, SA;

Jean-Pierre R. Ballaguet, Dhahran, SA;

Sebastien A. Duval, Dhahran, SA;

Anwar H. Khawajah, Dammam, SA;

Assignee:

Saudi Arabian Oil Company, Dhahran, SA;

Attorney:

Bracewell & Giuliani LLP

Primary Examiner:

Duane Smith

Assistant Examiner:

Pankti Patel

Int. Cl.
CPC ...
B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods for removing sulfur from a gas stream prior to sending the gas stream to a gas separation membrane system are provided. Two schemes are available. When the sulfur content is high or flow is relatively high, a scheme including two columns where one tower is regenerated if the sulfur concentration exceeds a preset value can be used. When the sulfur content is low or flow is relatively low, a scheme including one column and an absorption bed.

Find Patent Forward Citations

Vaidya, Milind. (2014). Sour gas and acid natural gas separation membrane process by pre removal of dissolved elemental sulfur for plugging prevention (U.S. Patent No. 8696791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8696791

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