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:
May. 28, 2019
Filed:
Feb. 17, 2015
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Assignee:
ECOLAB USA INC., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 9/00 (2006.01); B01D 21/01 (2006.01); B01D 61/02 (2006.01); B01D 61/14 (2006.01); C02F 1/56 (2006.01); C02F 1/52 (2006.01); C02F 1/00 (2006.01); C02F 101/10 (2006.01); C02F 1/44 (2006.01); C02F 1/66 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); B01D 21/01 (2013.01); B01D 61/025 (2013.01); B01D 61/147 (2013.01); C02F 1/5245 (2013.01); C02F 1/56 (2013.01); C02F 1/001 (2013.01); C02F 1/441 (2013.01); C02F 1/444 (2013.01); C02F 1/66 (2013.01); C02F 2001/007 (2013.01); C02F 2101/10 (2013.01);
Abstract
The present disclosure relates to a formulation and a process for the removal of inorganic impurities from waste water. The formulation consists of a blend of at least one alkali metal aluminate, at least one cationic organic coagulant and optionally at least one alkalinating agent in pre-determined proportions. The process for decontamination using the afore-stated formulation includes steps such as admixing, settling, microfiltration and optionally acidification, ultrafiltration and reverse osmosis. The disclosure further provides an apparatus for the removal of inorganic impurities from waste water.