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.

Date of Patent:
Dec. 20, 2022

Filed:

Mar. 31, 2021
Applicant:

Neo Water Treatment, Llc, Greenwood Village, CO (US);

Inventors:

Pamela Leigh Cornish, White Lake, MI (US);

Mason Reames Haneline, Orange, CA (US);

Assignee:

Neo Water Treatment, LLC, Greenwood Village, CO (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/12 (2006.01); C02F 1/52 (2006.01); B01D 61/16 (2006.01); B01D 61/22 (2006.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C02F 3/1215 (2013.01); B01D 61/16 (2013.01); B01D 61/22 (2013.01); C02F 1/5236 (2013.01); C02F 1/5245 (2013.01); C02F 3/1268 (2013.01); C02F 3/1273 (2013.01); B01D 2311/04 (2013.01); B01D 2311/12 (2013.01); B01D 2311/246 (2013.01); B01D 2311/2642 (2013.01); B01D 2311/2688 (2013.01); B01D 2315/06 (2013.01); C02F 2101/105 (2013.01); C02F 2209/003 (2013.01); C02F 2209/08 (2013.01); C02F 2209/10 (2013.01); C02F 2209/11 (2013.01); C02F 2209/18 (2013.01); C02F 2209/22 (2013.01); C02F 2209/40 (2013.01); Y02W 10/10 (2015.05);
Abstract

Disclosed are methods of treating wastewater using a membrane bioreactor and achieving a target phosphorus concentration for the membrane permeate stream. These methods include the steps of dosing a wastewater stream with a rare earth clarifying agent and passing the dosed wastewater stream through the membrane to obtain a membrane permeate stream with a permeate concentration that is less than the phosphorus concentration of the influent stream. This permeate concentration also can be equal to or less than a target phosphorus concentration. In the methods as disclosed herein, the rare earth clarifying agent can be chloride salts of one or more rare earth elements and in certain embodiments, the rare earth clarifying agent can be CeCland LaCl.


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