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:
Oct. 23, 2012
Filed:
Oct. 23, 2007
George W. Smith, Pewaukee, WI (US);
Dennis J. Barnes, Oconomowoc, WI (US);
George W. Smith, Pewaukee, WI (US);
Dennis J. Barnes, Oconomowoc, WI (US);
Siemens Industry, Inc., Alpharetta, GA (US);
Abstract
A wastewater treatment system comprising: a first treatment zone () fluidly connected to one or more further treatment zones (-), a membrane module () comprising a filter membrane is positioned in or fluidly connected to the further treatment zone; and a gravity settling device () fluidly connected to the first treatment zone () to receive overflow therefrom. A method of treating wastewater comprising flowing wastewater through one or more treatment zones (-) to produce a fluid product which is passed through a filter membrane () to produce a concentrated mixed liquor and a filtrate; returning at least a portion of the concentrated mixed liquor to at least one of the treatment zones (); when the flow of wastewater water exceeds a predetermined level, flowing a portion of the returned mixed liquor to a gravity settling device () and clarifying the mixed liquor within the gravity settling device ().