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:
Jan. 30, 2007
Filed:
Dec. 17, 2003
E. H. Kelle Zeiher, Naperville, IL (US);
Bosco P. Ho, Aurora, IL (US);
John E. Hoots, St. Charles, IL (US);
E. H. Kelle Zeiher, Naperville, IL (US);
Bosco P. Ho, Aurora, IL (US);
John E. Hoots, St. Charles, IL (US);
Nalco Company, Naperville, IL (US);
Abstract
Methods and systems for monitoring and controlling the cleaning of membrane separation systems or processes are provided. The present invention uses detectable amounts of one or more inert fluorescent tracers added to a membrane cleaning process stream to evaluate and control the removal of contaminants and impurities during cleaning. The methods and systems of the present invention can be used in a variety of different industrial applications including raw water processing and waste water processing.