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 11104863 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 31, 2021

Filed:

Dec. 01, 2017
Applicant:

Alfa Laval Corporate Ab, Lund, SE;

Inventors:

Per-Gustaf Larsson, Saltsjöbaden, SE;

Ami Karlsson, Solna, SE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M 175/00 (2006.01); B01D 21/01 (2006.01); B01D 21/26 (2006.01); B01F 13/02 (2006.01); B01D 17/02 (2006.01); B04B 5/12 (2006.01); B04B 11/02 (2006.01); C10G 31/10 (2006.01); C10M 175/02 (2006.01); C10N 40/08 (2006.01); C10N 40/22 (2006.01); C10N 40/24 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 175/0058 (2013.01); B01D 17/0217 (2013.01); B01D 21/01 (2013.01); B01D 21/262 (2013.01); B01F 13/0205 (2013.01); B04B 5/12 (2013.01); B04B 11/02 (2013.01); C10G 31/10 (2013.01); C10M 175/005 (2013.01); C10M 175/02 (2013.01); B04B 2005/125 (2013.01); C10G 2300/208 (2013.01); C10G 2400/10 (2013.01); C10M 2203/003 (2013.01); C10N 2040/08 (2013.01); C10N 2040/22 (2013.01); C10N 2040/24 (2013.01); C10N 2040/252 (2020.05);
Abstract

The present invention provides method for separating contaminants from a liquid mixture comprising the steps of a) providing a feed of said liquid mixture to be purified, b) adding a separation aid to the liquid mixture to be purified, wherein said separation aid is capable of binding said contaminants and c) supplying a flow of compressed air into said feed after step b) has been performed to provide a feed comprising air. The method further comprises steps d) removing air from said feed comprising air to provide a deaerated feed; and e) supplying said deaerated feed to a separator, and f) separating a phase comprising contaminants and said separation aid from said liquid mixture in said separator, wherein the separation aid added in step b) is insoluble in said liquid mixture at the separation conditions in step f). The present invention further provides a system for separating contaminants from a liquid mixture.


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