Patent · US Expired

Nitrogen oxides reduction using a urea hydrolysate

US5399325A · kind A · utility

16Cited by

0References

10Claims

0Family size

Assignee

Nalco Fuel Tech · US

Inventors

Thure von Harpe · Meerbusch, DE
Reinhard Pachaly · Kerpen, DE
M. Linda Lin · Naperville, US
Daniel V. Diep · Aurora, US
Joseph B. Wegrzyn · Naperville, US

Key dates

Filing date	Feb 26, 1992
Grant date	Mar 21, 1995
Priority date	—
Expiry date	Feb 26, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02C20/10
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 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.