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:
Dec. 26, 2023

Filed:

Nov. 20, 2018
Applicant:

Shell Oil Company, Houston, TX (US);

Inventors:

Kaushik Basak, Singapore, SG;

Arian Van Mourik, Amsterdam, NL;

Nishith Verma, Kanpur U.P., IN;

Ashish Yadav, Kanpur U.P., IN;

Assignee:

SHELL USA, INC., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/72 (2023.01); C02F 103/36 (2006.01); B01J 21/18 (2006.01); B01J 35/00 (2006.01); C02F 1/74 (2023.01);
U.S. Cl.
CPC ...
C02F 1/725 (2013.01); B01J 21/18 (2013.01); B01J 35/0013 (2013.01); C02F 1/727 (2013.01); C02F 1/74 (2013.01); C02F 2103/36 (2013.01); C02F 2301/046 (2013.01); C02F 2305/08 (2013.01);
Abstract

The invention provides a process for treating waste water from an industrial process for producing propylene oxide, which comprises subjecting the waste water to a catalytic wet oxidation treatment comprising: feeding a stream comprising the waste water to a reactor; subjecting the stream comprising the waste water to an oxidation treatment in the presence of oxygen and a catalyst resulting in a treated stream; sending at least part of the treated stream to a separator wherein the treated stream is separated into a gas stream and a liquid stream; and recycling part of the liquid stream to the reactor.


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