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.:
Date of Patent:
Feb. 25, 2020
Filed:
Nov. 22, 2016
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Assignee:
KEMIRA OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/52 (2006.01); B01D 65/08 (2006.01); C02F 3/12 (2006.01); C02F 1/56 (2006.01); C02F 1/44 (2006.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/5245 (2013.01); B01D 65/08 (2013.01); C02F 1/444 (2013.01); C02F 1/5263 (2013.01); C02F 1/56 (2013.01); C02F 3/1268 (2013.01); C02F 3/1273 (2013.01); B01D 2321/168 (2013.01); C02F 2101/105 (2013.01); Y02W 10/15 (2015.05);
Abstract
The present invention relates to a composition for treatment of wastewaters in a membrane bioreactor comprising a mixture of inorganic coagulants and organic water soluble polymer(s), wherein the inorganic coagulants are selected from iron and/or aluminium containing compounds and the organic water soluble polymers are selected from the group consisting of anionic, cationic, nonionic polymers, polysaccharides and polyphenolic compounds and any combination thereof. The present invention further relates to a method for treating of wastewaters in a membrane bioreactor, and uses thereof.