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:
Dec. 06, 2011
Filed:
Feb. 17, 2007
Gerhard Braun, Saarbrücken, DE;
Kay Gunther Gabriel, Dudweiler, DE;
Gerhard Braun, Saarbrücken, DE;
Kay Gunther Gabriel, Dudweiler, DE;
ItN Nanovation AG, , DE;
Abstract
A description is given of a sewage treatment plant, in particular a small sewage treatment plant, having at least one activation tank for wastewater and/or having at least one secondary clarification tank for wastewater, wherein the activation tank and/or the secondary clarification tank are charged with shaped bodies which are freely floating in the wastewater, which is distinguished in that it has at least one filtration appliance for wastewater purification, which filtration appliance comprises at least one ceramic-based membrane for separating off microorganisms. In addition a method of purifying wastewater is described, comprising a biological purification of the wastewater by microorganisms in at least one activation tank and/or comprising a secondary clarification of the wastewater in at least one clarification tank, wherein the at least one activation tank and/or the at least one secondary clarification tank, for cleaning, is charged with shaped bodies, characterized in that the microorganisms situated in the wastewater are separated off by means of at least one ceramic-based membrane.