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:
Oct. 15, 2024

Filed:

Feb. 13, 2020
Applicant:

His Majesty the King IN Right of Canada As Represented BY the Minister of Natural Resources, Ottawa, CA;

Inventors:

Saviz Mortazavi, Ottawa, CA;

André Yves Tremblay, Ottawa, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 65/02 (2006.01); B01D 69/02 (2006.01); B01D 71/02 (2006.01); C02F 1/44 (2023.01); C02F 101/32 (2006.01); C02F 103/10 (2006.01);
U.S. Cl.
CPC ...
B01D 65/02 (2013.01); B01D 69/02 (2013.01); B01D 71/022 (2013.01); B01D 71/025 (2013.01); C02F 1/44 (2013.01); B01D 2321/02 (2013.01); B01D 2321/04 (2013.01); B01D 2321/08 (2013.01); B01D 2321/12 (2013.01); B01D 2325/0283 (2022.08); C02F 2101/32 (2013.01); C02F 2103/10 (2013.01);
Abstract

The inventions discloses a method for reducing fouling on the surface of a ceramic membrane or filter with a recalcitrant filtration cake thereon that is non-responsive to regular back-flushing or other physical means of removal, where the ceramic membrane or filter is subjected to steam fast-flushing by injecting steam directly in feed channel of the ceramic membrane or filter while back-flushing the ceramic membrane or filter at the same time to heat and remove fouled layer on the ceramic membrane or filter while cooling a selective layer of the ceramic membrane or filter to avoid thermal shocking of the ceramic membrane or filter, the surface is cleaned with the ceramic membrane or filter being stationary.


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