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:
Jul. 15, 2014
Filed:
Mar. 31, 2010
Applicants:
Sijing Wang, Shanghai, CN;
Stephen R. Vasconcellos, Doylestown, PA (US);
Inventors:
Sijing Wang, Shanghai, CN;
Stephen R. Vasconcellos, Doylestown, PA (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method of conditioning mixed liquor in membrane bioreactor (MBR) systems comprising adding an effective amount of a treatment composition comprising a water soluble cationic quaternary ammonium starch or a water soluble quaternary ammonium starch/gum blend to the mixed liquor. Also disclosed is a method of improving flux in an MBR system comprising adding the treatment composition to the mixed liquor of the MBR.