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.

Date of Patent:
Nov. 16, 2021

Filed:

Sep. 29, 2018
Applicant:

Indian Oil Corporation Limited, Mumbai, IN;

Inventors:

Mahendara Pratap Singh, Faridabad, IN;

Manoj Kumar, Faridabad, IN;

Srikanth Sandipam, Faridabad, IN;

Amardeep Singh, Faridabad, IN;

Dheer Singh, Faridabad, IN;

Umish Srivastava, Faridabad, IN;

Suresh Kumar Puri, Faridabad, IN;

Sanjiv Kumar Mazumdar, Faridabad, IN;

Sankara Sri Venkata Ramakumar, Faridabad, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 9/23 (2021.01); C02F 3/00 (2006.01); C02F 3/34 (2006.01); C25B 11/043 (2021.01); C25B 11/057 (2021.01); C12P 11/00 (2006.01); C25B 1/16 (2006.01); C02F 3/28 (2006.01); C02F 101/10 (2006.01); C02F 3/02 (2006.01);
U.S. Cl.
CPC ...
C25B 9/23 (2021.01); C02F 3/005 (2013.01); C02F 3/006 (2013.01); C02F 3/341 (2013.01); C12P 11/00 (2013.01); C25B 1/16 (2013.01); C25B 11/043 (2021.01); C25B 11/057 (2021.01); C02F 3/02 (2013.01); C02F 3/2806 (2013.01); C02F 2101/101 (2013.01); C02F 2209/06 (2013.01);
Abstract

The present invention relates to an apparatus and method for bio-assisted treatment of spent caustic obtained from hydrocarbon and gas processing installations. The present invention also relates to method for recovery of caustic and recovery of sulfur from spent caustic. According to present invention, the sulfide removal is about 96% and the sulphur formation and deposition on the electrode lies in range of 72±8%.


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