Patent · US Expired

Low pressure formation of a urea hydrolysate for nitrogen oxides reduction

US5543123A · kind A · utility

30Cited by
34References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 1994
Grant dateAug 6, 1996
Priority date
Expiry dateApr 13, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/56
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for the use of a urea hydrolysate for nitrogen oxides reductions. More particularly, the process involves forming a urea hydrolysate under conditions of low pressure and introducing the hydrolysate into a combustion effluent under conditions effective for the reduction of nitrogen oxides.

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