Patent · US Expired

Process for the reduction of nitrogen oxides in an effluent

US4863705A · kind A · utility

16Cited by
10References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1987
Grant dateSep 5, 1989
Priority date
Expiry dateSep 23, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2219/00058
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process is presented for the reduction of nitrogen oxides in the effluent from the combustion of a carbonaceous fuel. The process comprises introducing a treatment agent comprising a compound selected from the group consisting of five or six-membered heterocyclic hydrocarbons having at least on cyclic nitrogen into an effluent under conditions effective to reduce the concentration of nitrogen oxides in the effluent.

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