Patent · US Active

Filtration media having a chemical reagent

US7906456B2 · kind B2 · utility

0Cited by

16References

5Claims

0Family size

Assignee

AAF-McQuay Inc. · US

Inventors

Michael W. Osborne · Clinton, US
Zhong C. He · Suzhou, CN
Ng Cheah Wei · Kapar, MY

Key dates

Filing date	Jan 26, 2007
Grant date	Mar 15, 2011
Priority date	—
Expiry date	Jun 27, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2257/90
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An odor filtration media having a chemical reagent which removes odor causing fluid contaminants from a fluid stream through the use of granular or shaped media have a chemical composition including permanganate is provided. A method of producing the odor absorbing media having a chemical reagent is also provided and comprises the steps of mixing H2O, KMnO4, and at least one salt adding ions or ionic compounds selected from the group consisting of Na+, Li+, K+, NH4+, Cl−, SO42−, BO32−, CO32−, PO43−, NO3− and combinations thereof, or from the group consisting of Na+, Li+, K+, NH4+, Mg2+, Ca2+, Cl−, BO32−, NO3− and combinations thereof, forming an impregnating solution. The impregnating solution is heated and combined with a support material to form a coherent mass.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.