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:
Feb. 20, 2018

Filed:

Oct. 16, 2015
Applicant:

Ecolab Usa Inc., St. Paul, MN (US);

Inventors:

Kim R. Smith, Woodbury, MN (US);

Lee J. Monsrud, Inver Grove Heights, MN (US);

Keith E. Olson, Apple Valley, MN (US);

Kristen Mills, Hopkins, MN (US);

Erik C. Olson, Savage, MN (US);

Erin Jane Dahlquist Howlett, West St. Paul, MN (US);

Assignee:

ECOLAB USA INC., Saint Paul, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/00 (2006.01); C02F 5/00 (2006.01); C02F 1/42 (2006.01); C02F 1/72 (2006.01);
U.S. Cl.
CPC ...
C02F 5/00 (2013.01); C02F 1/42 (2013.01); C02F 1/72 (2013.01); C02F 1/725 (2013.01); C02F 2001/425 (2013.01); C02F 2303/22 (2013.01);
Abstract

The present invention relates to methods, apparatuses, and systems for treating water. The methods, apparatuses and systems reduce scaling associated with solubilized water hardness using a sequence of water treatment agents, including an inlet, one or more treatment reservoirs containing a first treatment agent that is an exhausted ionic resin that is incapable of performing ion exchange and a second treatment agent consisting of a metal oxide and/or hydroxide compound, an outlet, and a treated water delivery line.


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