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:
May. 16, 2023

Filed:

Dec. 11, 2020
Applicant:

Marmon Water (Singapore) Pte. Ltd., Singapore, SG;

Inventors:

Nabin Kumar Pal, Bangalore, IN;

Ramachandra S R Swamy, Bangalore, IN;

Sridhar Chowdasandra, Chikkaballapura, IN;

Jola Solomon, Bangalore, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/18 (2006.01); B01J 35/02 (2006.01); B01J 37/06 (2006.01); B01J 37/02 (2006.01); B01J 37/08 (2006.01); B01J 35/10 (2006.01); B01J 31/02 (2006.01); C02F 1/28 (2006.01); C02F 101/12 (2006.01); C02F 101/16 (2006.01);
U.S. Cl.
CPC ...
B01J 21/18 (2013.01); B01J 31/0244 (2013.01); B01J 35/026 (2013.01); B01J 35/1023 (2013.01); B01J 35/1028 (2013.01); B01J 37/0207 (2013.01); B01J 37/06 (2013.01); B01J 37/08 (2013.01); C02F 1/288 (2013.01); C02F 1/283 (2013.01); C02F 1/285 (2013.01); C02F 2101/12 (2013.01); C02F 2101/16 (2013.01);
Abstract

An activated carbon-based media for efficient removal of chloramines as well as chlorine and ammonia from an aqueous stream is presented, and a method for making the same. The method involves preparing activated carbon that remove chloramines efficiently from chloramine-rich aqueous media. In particular, this application relates to the use of high performance catalytically active carbon for an efficient removal of chloramine from drinking water in the form of a solid carbon block or granular carbon media. The activated carbon is treated with a nitrogen-rich compound, such as, melamine.


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