Patent · US Expired

Nitrogen oxide decomposition

US5523068A · kind A · utility

7Cited by

1References

14Claims

0Family size

Assignees

Research Foundation of the University of New York · US
Electric Power Research Institute, Inc. · US

Inventors

Ralph T. Yang · Middle Island, US
Ning Chen · Thousand Oaks, US

Key dates

Filing date	Aug 29, 1995
Grant date	Jun 4, 1996
Priority date	—
Expiry date	Aug 29, 2015

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J27/188
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Methods of reducing NO.sub.x to nitrogen without using a reducing gas. The NO.sub.x is absorbed in a heteropoly compound to concentrate it and then heated to reverse the fixation reaction(s) and decompose the NO.sub.x into nitrogen.

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